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<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<br>
</p>
<p align="center" style="margin-top: 0.14in; margin-bottom: 0.33in"><font face="Arial, sans-serif"><font size="6" style="font-size: 24pt">IBM
TPM 2.0 TSS API</font></font></p>
<p align="center" style="margin-top: 0.14in; margin-bottom: 0.33in"><font face="Arial, sans-serif"><font size="6" style="font-size: 24pt">Ken
Goldman</font></font></p>
<p align="center" style="margin-top: 0.14in; margin-bottom: 0.33in"><font face="Arial, sans-serif"><font size="6" style="font-size: 24pt">IBM
Research</font></font></p>
<p align="center" style="margin-top: 0.14in; margin-bottom: 0.33in"><font face="Arial, sans-serif"><font size="6" style="font-size: 24pt">kgoldman@us.ibm.com</font></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" align="center" style="margin-bottom: 0in"><font size="5" style="font-size: 20pt">June
29, 2017</font></p>
<p lang="da-DK" class="western" align="center" style="margin-bottom: 0in">
<br>
</p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in; page-break-before: always">
<br>
</p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<br>
</p>
<div id="Table of Contents1" dir="ltr">
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736479">1.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736479"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736479"><b>Introduction<span lang="en-US"> 4</span></b></a></font></p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736480">2.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736480"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736480"><b>Features<span lang="en-US"> 5</span></b></a></font></p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736481">3.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736481"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736481"><b>API<span lang="en-US"> 6</span></b></a></font></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736482">3.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>TSS_Execute()<span lang="en-US"> 6</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736483">3.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>TSS_Create()<span lang="en-US"> 6</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736484">3.3.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>TSS_Delete()<span lang="en-US"> 7</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736485">3.4.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Optional
Customization<span lang="en-US"> 8</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736486">3.4.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Property
Example<span lang="en-US"> 8</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736487">3.4.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Properties<span lang="en-US"> 8</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736488">3.4.3.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>TSS_SetProperty()<span lang="en-US"> 11</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736489">3.5.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Extra
Parameter<span lang="en-US"> 12</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736490">3.6.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Other
APIs and Headers<span lang="en-US"> 12</span></a></p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736491">4.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736491"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736491"><b>Application
Notes<span lang="en-US"> 14</span></b></a></font></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736492">4.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>TPM
Simulator<span lang="en-US"> 14</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736493">4.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Parameter
Encryption<span lang="en-US"> 14</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736494">4.3.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Session
Salt<span lang="en-US"> 14</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736495">4.4.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Session
Bind<span lang="en-US"> 14</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736496">4.5.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>NV<span lang="en-US"> 15</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736497">4.5.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Rationale<span lang="en-US"> 15</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736498">4.5.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>NV
Preprovisioning<span lang="en-US"> 16</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736499">4.6.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>TPM2_LoadExternal<span lang="en-US"> 16</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736500">4.7.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Connecting
to Resource Managers<span lang="en-US"> 16</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736501">4.8.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Endorsement
Key (EK Certificates)<span lang="en-US"> 17</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736502">4.8.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Nuvoton<span lang="en-US"> 17</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736503">4.8.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>St
Micro<span lang="en-US"> 17</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736504">4.8.3.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Infineon<span lang="en-US"> 18</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736505">4.8.4.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>NationZ<span lang="en-US"> 19</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736506">4.8.5.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Intel<span lang="en-US"> 19</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736507">4.8.5.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Intel
EK Certificate Download<span lang="en-US"> 19</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736508">4.9.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Command
Line Utilities<span lang="en-US"> 20</span></a></p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736509">5.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736509"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736509"><b>Example<span lang="en-US"> 21</span></b></a></font></p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736510">6.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736510"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736510"><b>Build<span lang="en-US"> 22</span></b></a></font></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736511">6.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Directories<span lang="en-US"> 22</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736512">6.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Linux<span lang="en-US"> 22</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736513">6.3.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Windows<span lang="en-US"> 23</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736514">6.3.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Windows
Tbsi<span lang="en-US"> 24</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736515">6.3.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Windows
Visual Studio<span lang="en-US"> 25</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736516">6.3.3.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Windows
gcc<span lang="en-US"> 25</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736517">6.4.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>AIX<span lang="en-US"> 25</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736518">6.5.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Minimal
TSS Library Builds<span lang="en-US"> 26</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736519">6.5.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>TPM_TSS_NOFILE<span lang="en-US"> 26</span></a></p>
<p style="margin-left: 0.33in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736520">6.5.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>TPM_TSS_NOCRYPTO<span lang="en-US"> 26</span></a></p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736521">7.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736521"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736521"><b>Fedora<span lang="en-US"> 27</span></b></a></font></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736522">7.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Local
Install<span lang="en-US"> 27</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736523">7.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Alternative
Local Install<span lang="en-US"> 27</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736524">7.3.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Repository
Install<span lang="en-US"> 28</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736525">7.4.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Install
Test<span lang="en-US"> 28</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736526">7.5.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Source
rpms<span lang="en-US"> 28</span></a></p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736527">8.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736527"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736527"><b>Status<span lang="en-US"> 30</span></b></a></font></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736528">8.1.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Utilities<span lang="en-US"> 30</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736529">8.2.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Bugs<span lang="en-US"> 30</span></a></p>
<p style="margin-left: 0.17in; margin-bottom: 0in"><a class="western" href="#__RefHeading___Toc485736530">8.3.<font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"> </span></font></font>Untested<span lang="en-US"> 30</span></a></p>
<p lang="da-DK" align="center" style="margin-left: 0.17in; margin-bottom: 0in">
<font size="4" style="font-size: 15pt"><b><a class="western" href="#__RefHeading___Toc485736531">9.</a></b><font face="Calibri, sans-serif"><font size="2" style="font-size: 11pt"><span lang="en-US"><span style="font-weight: normal"><a class="western" href="#__RefHeading___Toc485736531"> </a></span></span></font></font><a class="western" href="#__RefHeading___Toc485736531"><b>Theading<span lang="en-US"> 31</span></b></a></font></p>
</div>
<p class="western" style="margin-bottom: 0in"><a name="_Ref166921735"></a>
<br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736479"></a>
<font size="2" style="font-size: 11pt">Introduction</font></h1>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The IBM TSS is designed
for:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">ease of
understanding</p>
<li><p class="western" style="margin-bottom: 0in">ease of use</p>
<li><p class="western" style="margin-bottom: 0in">ease of
implementation</p>
<li><p class="western" style="margin-bottom: 0in">maximum code reuse</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="2">
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736480"></a>
<font size="2" style="font-size: 11pt">Features</font></h1>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The TSS handles the
following, completely hidden from the caller:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">HMAC, password and
policy sessions</p>
<li><p class="western" style="margin-bottom: 0in">Session and HMAC
key calculations, including bind and salt sessions</p>
<li><p class="western" style="margin-bottom: 0in">HMAC generation
and verification (including cpHash and rpHash)</p>
<li><p class="western" style="margin-bottom: 0in">Parameter
encryption and decryption, XOR and AES</p>
<li><p class="western" style="margin-bottom: 0in">Nonces and nonce
rolling</p>
<li><p class="western" style="margin-bottom: 0in">Session continue
flag</p>
<li><p class="western" style="margin-bottom: 0in">TPM 2.0 "Name"
and bind session tracking</p>
<li><p class="western" style="margin-bottom: 0in">Different session
hash algorithms</p>
<li><p class="western" style="margin-bottom: 0in">Marshaling,
unmarshaling, and communication with the TPM
</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">and almost hidden from
the caller:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">bind password</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="3">
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736481"></a>
<font size="2" style="font-size: 11pt">API</font></h1>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The API consists of the
following calls:</p>
<ol>
<ol>
<li><h2 class="western"><a name="__RefHeading___Toc485736482"></a>TSS_Execute()</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">#include <tss2/tss.h></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">TPM_RC
TSS_Execute(TSS_CONTEXT *tssContext,</p>
<p class="western" style="margin-left: 0.5in; margin-bottom: 0in">
RESPONSE_PARAMETERS *out,</p>
<p class="western" style="margin-bottom: 0in"> COMMAND_PARAMETERS
*in,</p>
<p class="western" style="margin-bottom: 0in"> EXTRA_PARAMETERS
*extra,</p>
<p class="western" style="margin-bottom: 0in"> TPM_CC
commandCode,</p>
<p class="western" style="margin-bottom: 0in"> ...);</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This is the primary TSS
function.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">tssContext: Opaque
object</p>
<p class="western" style="margin-bottom: 0in">out: The standard TPM2
Part 3 response parameter</p>
<p class="western" style="margin-bottom: 0in">in: The standard TPM2
Part 3 command parameter</p>
<p class="western" style="margin-bottom: 0in">extra: Some commands
(only two so far) require extra parameter s.</p>
<p class="western" style="margin-bottom: 0in">commandCode: The
standard TPM2 Part 2 command code.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">. . . : A list of
session 3-tuples , of the form</p>
<p class="western" style="margin-bottom: 0in"> TPMI_SH_AUTH_SESSION
sessionHandle,</p>
<p class="western" style="margin-bottom: 0in"> const char
*password,</p>
<p class="western" style="margin-bottom: 0in"> unsigned int
sessionAttributes</p>
<p class="western" style="margin-bottom: 0in"> The list is terminated
with (TPM_RH_NULL, NULL, 0)</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="2">
<li><h2 class="western"><a name="__RefHeading___Toc485736483"></a><a name="_Ref437348825"></a>
TSS_Create()</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">#include <tss2/tss.h></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">TPM_RC
TSS_Create(TSS_CONTEXT **tssContext);</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This creates the
TSS_CONTEXT used in the TSS_Execute() function. It is initialized
with the default configuration, which can be then changed using 3.4.3
TSS_SetProperty().</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Returns an error if the
context cannot be allocated, or if the properties cannot be
initialized, typically due to an invalid environment variable.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">See 3.3 TSS_Delete().</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">It does not immediately
open a connection, so that the connection properties can be changed
from the default first.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="3">
<li><h2 class="western"><a name="__RefHeading___Toc485736484"></a><a name="_Ref437348811"></a>
TSS_Delete()</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">#include <tss2/tss.h></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">TPM_RC TSS_Delete(TSS_CONTEXT
*tssContext);</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The deletes the opaque
context created using 3.2 TSS_Create().
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">It closes an open
connection.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Returns an error if the
connection close fails.</p>
<p class="western" style="margin-bottom: 0in; page-break-before: always">
<br>
</p>
<ol>
<ol start="4">
<li><h2 class="western"><a name="__RefHeading___Toc485736485"></a>Optional
Customization</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The TSS is designed to
work by default with no configuration.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-left: 0.25in; margin-bottom: 0in">The
current default connects to the Microsoft format socket simulation.
This will eventually change to connect to the resource manager.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">There are three ways to
customize the configuration:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<li><p class="western" style="margin-bottom: 0in">At compile time,
with a compiler flag</p>
<li><p class="western" style="margin-bottom: 0in">At program start,
using an environment variable</p>
<li><p class="western" style="margin-bottom: 0in">During run time,
using the 3.4.3 TSS_SetProperty() function.</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The environment
variables and TSS_SetProperty property use the same names. The
makefile flag uses the name with _DEFAULT appended.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The environment
variable overrides the compiler flag, and the TSS_SetProperty()
function overrides both the compiler flag and the environment
variable.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol>
<li><h3 class="western"><a name="__RefHeading___Toc485736486"></a>Property
Example</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">To change the default
TPM interface to the TPM device driver:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">With a makefile:</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">-DTPM_INTERFACE_TYPE_DEFAULT="\"dev\""</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">With an
environment variable:</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> setenv
TPM_INTERFACE_TYPE dev</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">With the TSS_SetProperty()
function:</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">rc =
TSS_SetProperty(tssContext, TPM_INTERFACE_TYPE, "dev");</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol start="2">
<li><h3 class="western"><a name="__RefHeading___Toc485736487"></a><a name="_Ref469903681"></a><a name="_Ref469903677"></a>
Properties</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">(Remember that the
makefile compiler flag requires _DEFAULT to be added, and that the
quotes must be escaped.).</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The property and legal
values are:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<h4 class="western"><a name="_Ref473273918"></a>TPM_TRACE_LEVEL</h4>
<p class="western" style="margin-bottom: 0in"> default - 0</p>
<p class="western" style="margin-bottom: 0in"> 0 - no tracing</p>
<p class="western" style="margin-bottom: 0in"> 1 - trace errors</p>
<p class="western" style="margin-bottom: 0in"> 2 - trace errors and
execution flow</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<h4 class="western">TPM_DATA_DIR</h4>
<p class="western" style="margin-bottom: 0in"> default - current
directory</p>
<p class="western" style="margin-bottom: 0in"> set the directory
where the TSS can store persistent data</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<h4 class="western"><a name="_Ref473274005"></a>TPM_INTERFACE_TYPE</h4>
<p class="western" style="margin-bottom: 0in"> default - socsim
</p>
<p class="western" style="margin-bottom: 0in"> socsim - the socket
simulator</p>
<p class="western" style="margin-left: 1in; margin-bottom: 0in">see
</p>
<p class="western" style="margin-left: 1in; text-indent: 0.5in; margin-bottom: 0in">
TPM_SERVER_NAME</p>
<p class="western" style="margin-left: 1in; text-indent: 0.5in; margin-bottom: 0in">
TPM_SERVER_TYPE</p>
<p class="western" style="margin-left: 1in; text-indent: 0.5in; margin-bottom: 0in">
TPM_COMMAND_PORT</p>
<p class="western" style="margin-left: 1in; text-indent: 0.5in; margin-bottom: 0in">
TPM_PLATFORM_PORT</p>
<p class="western" style="margin-bottom: 0in"> dev - TPM device
driver
</p>
<p class="western" style="margin-left: 0.5in; text-indent: 0.5in; margin-bottom: 0in">
see
</p>
<p class="western" style="margin-left: 1in; text-indent: 0.5in; margin-bottom: 0in">
TPM_DEVICE</p>
<h4 class="western"><a name="_Ref473273410"></a>TPM_SERVER_NAME</h4>
<p class="western" style="margin-bottom: 0in"> default - localhost</p>
<p class="western" style="margin-bottom: 0in"> set the socket server
name (full host name or dotted decimal)</p>
<h4 class="western"><a name="_Ref473273447"></a>TPM_SERVER_TYPE</h4>
<p class="western" style="margin-bottom: 0in"> default - mssim</p>
<p class="western" style="margin-bottom: 0in"> mssim - send packets
in the Microsoft simulator format (header and footer)</p>
<p class="western" style="margin-bottom: 0in"> raw - send packets in
the raw TPM specification Part 3 format</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<h4 class="western"><a name="_Ref473273450"></a>TPM_COMMAND_PORT</h4>
<p class="western" style="margin-bottom: 0in"> default - 2321</p>
<p class="western" style="margin-bottom: 0in"> set the socket port
for TPM commands</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<h4 class="western"><a name="_Ref473273453"></a>TPM_PLATFORM_PORT</h4>
<p class="western" style="margin-bottom: 0in"> default - 2322</p>
<p class="western" style="margin-bottom: 0in"> set the socket port
for TPM simulator platform commands</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<h4 class="western"><a name="_Ref473273499"></a>TPM_DEVICE</h4>
<p class="western" style="margin-bottom: 0in"> Unix/Linux default -
/dev/tpm0 (single user)</p>
<p class="western" style="margin-bottom: 0in"> Windows default -
Windows 7,8,10 Tbsi</p>
<p class="western" style="margin-bottom: 0in"> For Unix, sets the TPM
device name</p>
<p class="western" style="margin-bottom: 0in"> /dev/tpmrm0 is the
multi-user kernel resource manager</p>
<p class="western" style="margin-bottom: 0in"> Once the kernel
resource manager is upstreamed, this</p>
<p class="western" style="margin-bottom: 0in"> may become the
default.</p>
<p class="western" style="margin-bottom: 0in"> For Windows, not
currently used, only Tbsi supported</p>
<p class="western" style="margin-bottom: 0in"> </p>
<h4 class="western"><a name="_Ref473274288"></a>TPM_ENCRYPT_SESSIONS</h4>
<p class="western" style="margin-bottom: 0in"> default 1</p>
<p class="western" style="margin-bottom: 0in"> 1 - Session state is
saved encrypted</p>
<p class="western" style="margin-bottom: 0in"> 0 - Session state is
saved in plaintext</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Since session state can
potentially hold secrets, it should normally be encrypted. When the
process terminates, the ephemeral encryption key is lost.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">See 4.9 Command Line Utilities
for the special case of using the command line utilities. That
section is not applicable when using the TSS library in programs.</p>
<p class="western" style="margin-bottom: 0in; page-break-before: always">
<br>
</p>
<ol>
<ol>
<ol start="3">
<li><h3 class="western"><a name="__RefHeading___Toc485736488"></a><a name="_Ref418692484"></a>
TSS_SetProperty()</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">#include <tss2/tss.h></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">TPM_RC
TSS_SetProperty(TSS_CONTEXT *tssContext,</p>
<p class="western" style="margin-left: 1.5in; text-indent: 0.5in; margin-bottom: 0in">
int property,</p>
<p class="western" style="margin-left: 1.5in; text-indent: 0.5in; margin-bottom: 0in">
const char *value);</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The TSS_SetProperty()
function overrides the defaults and environment variables
programmatically.
</p>
<p class="western" style="margin-bottom: 0in"> </p>
<p class="western" style="margin-bottom: 0in">If the property is
related to the connection, an open connection is closed before the
property is processed.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-left: 0.5in; margin-bottom: 0in">NOTE:
The close occurs even if the new value is the same as the old value.
This can be used to close a connection without deleting the context.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-left: 0.5in; margin-bottom: 0in">Question:
Is it good to mandate this behavior? It offers functionality and
makes the implementation easier, but perhaps it's too clever?</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">NOTE: The value
parameter is always a string. For simplicity, the 'value' pointer is
stored. The input should be a constant string.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">NOTE: For the property
TPM_TRACE_LEVEL, tssContext is ignored. The trace level is per
process, not per context.</p>
<p class="western" style="margin-bottom: 0in; page-break-before: always">
<br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="5">
<li><h2 class="western"><a name="__RefHeading___Toc485736489"></a>Extra
Parameter</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The extra parameter is
a catch-all for any parameters that TSS_Execute() requires beyond the
normal TPM command and response parameters.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">TPM2_StartAuthSession
needs the bind password so that it can calculate the session key.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="6">
<li><h2 class="western"><a name="__RefHeading___Toc485736490"></a>Other
APIs and Headers</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Headers are now in the
…/utils/tss2 directory. This move (from …/utils)
permits source to use this construct, compatible with an eventual
header install in /usr/include/tss2:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">#include <tss2/tss.h></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The utility / demo
applications cheat a bit, in that they call into TSS utility
functions. These are less likely to be stable than the official API
above.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">tss.h: The
official API</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">tsserror.h:
Included by tss.h for convenience. Error codes may be added.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">tssmarshal.h:
Marshal structures to arrays. These are likely to be stable. They
are similar to the TPM side functions but return errors.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Unmarshal_fp.h:
Unmarshal arrays to structures. These are likely to be stable,
since they are used on the TPM side.
</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">tssresponsecode.h:
Response code to text. Useful for debugging. The API should be
stable, but the actual output may change.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">tssprint.h:
Functions to print structures. Useful for debugging. The API
should be stable. Functions may be added, and the output is likely
to change.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">tssutils.h: Demo
helper functions. These are useful for rapid prototyping but are
not recommended for production code.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">tssfile.h: Demo
helper functions. These are useful for rapid prototyping but are
not recommended for production code.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">tsscrypto.h:
Sample crypto code. These are useful for rapid prototyping but are
not recommended for production code.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Any of the lower
layer TSS functions are for TSS internal use. They should not be
called.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="4">
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736491"></a>
<font size="2" style="font-size: 11pt">Application Notes</font></h1>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Several areas have
non-obvious usage. They are described here.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<li><h2 class="western"><a name="__RefHeading___Toc485736492"></a>TPM
Simulator</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">A typical cause of a
hang when sending the first command to the TPM simulator is that it
has not received a simulated "powered up." Send this
command:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> powerup</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The platform firmware
initializes a hardware TPM. The TPM simulator requires this command:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> startup</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="2">
<li><h2 class="western"><a name="__RefHeading___Toc485736493"></a>Parameter
Encryption</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The caller does NOT
perform parameter encryption. Simply set the session attribute to
either or both of TPMA_SESSION_ENCRYPT or TPMA_SESSION_DECRYPT.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="3">
<li><h2 class="western"><a name="__RefHeading___Toc485736494"></a>Session
Salt</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">To salt, the caller
should set tpmKey (the handle of a loaded decrypt key) in
TPM2_StartAuthSession. The key must be an RSA 2048-bit key or EC
NIST P256 key with sign clear and decrypt set.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The caller must supply
the extra parameter as a StartAuthSession_Extra structure.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The caller does NOT
supply the HMAC salt. The encryptedSalt parameter is ignored, as the
TSS generates the salt.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="4">
<li><h2 class="western"><a name="__RefHeading___Toc485736495"></a>Session
Bind</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">To bind, the caller
should set bind (the bind entity handle) in TPM2_StartAuthSession.
The caller must supply the extra parameter as a
StartAuthSession_Extra structure and set the bindPassword member to
the bind handle password.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="5">
<li><h2 class="western"><a name="__RefHeading___Toc485736496"></a>NV</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">For applications that
do not share an NV index and don't use global locks or transient
locks that change after a reboot, the following details are
unnecessary. Just issue the TPM2_NV_DefineSpace and everything
works, including HMAC sessions.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">For applications that
do not satisfy the above criteria, the application must issue
TPM2_NV_ReadPublic and validate that the public area is as expected,
including the locks.</p>
<ol>
<ol>
<ol>
<li><h3 class="western"><a name="__RefHeading___Toc485736497"></a>Rationale</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Why? For
authorization, the TSS includes the Name (a hash of the public NV
metadata) in the HMAC calculation. This ensures that the NV index
has not been replaced with a different version with untrusted
metadata.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Normally, the TSS
tracks the Name, even when the application changes the written or
lock attributes. However, if the attributes (and therefore the Name)
change outside the application, the TSS is unable to track the
change. In those cases, the application must read the public data
and validate it.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Why doesn't the TSS
automatically issue the TPM2_NV_ReadPublic? If it did that, it would
encourage the application developer to blindly trust the index. The
application is expected to examine the TPM2_NV_ReadPublic return
(e.g., the policy, the attributes) and decide whether the index is
trusted. The TSS cannot enforce this, but it does at least encourage
it.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The index Name can
change as the metadata changes. These changes include the "written"
bit and the read and write locks. The TSS automatically tracks the
changes performed on a single index by the application. It does not
track:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<li><p class="western" style="margin-bottom: 0in">Changes "out
of band", by a different application, including an attacker.</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This will surface as an
HMAC failure. The application should reissue TPM2_NV_ReadPublic and
decide if the index is still trusted.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="2">
<li><p class="western" style="margin-bottom: 0in">Changes to
transient lock status due to a reboot.</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">If the application is
aware of the reboot, it can reissue TPM2_NV_ReadPublic and
re-evaluate the return. Otherwise, it can wait for the potential
HMAC failure and handle it as above.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="3">
<li><p class="western" style="margin-bottom: 0in">Locks due to a
global lock, because it's hard and because global lock is expected
to be used at provisioning, if ever.</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This case will probably
never occur in practice. If it does, handle the HMAC failure as
above.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol start="2">
<li><h3 class="western"><a name="__RefHeading___Toc485736498"></a>NV
Preprovisioning</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This is the case where
some other application has used TPM2_NV_DefineSpace to preprovision
an index. As an alternative to the application evaluating the
TPM2_NV_ReadPublic response, the NV metadata and Name can be
preprovisioned when the application is installed. Two files are
required:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"> [nnnnnnnn] is the hex
value of the NV index.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<li><p class="western" style="margin-bottom: 0in">h[nnnnnnnn].bin -
The Name, a binary hash of the public data</p>
<li><p class="western" style="margin-bottom: 0in">nvp[nnnnnnnn].bin
- The marshaled TPMS_NV_Public</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="6">
<li><h2 class="western"><a name="__RefHeading___Toc485736499"></a>TPM2_LoadExternal</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This command is unique,
in that it has an optional parameter, TPM2B_SENSITIVE <i>inPrivate</i>.
The caller should use the size as a flag: 0 for not present, and
non-zero for present.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Rationale:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The TPM uses the
<i>inPrivate.size </i>zero to indicate that the parameter is not
present, and uses the correct marshaled size to indicate that the
parameter is present. This TSS uses that design pattern, but, as with
other TPM2B's that wrap structures, it does not require the caller to
marshal the structure and determine the correct size.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="7">
<li><h2 class="western"><a name="__RefHeading___Toc485736500"></a><a name="_Ref483554623"></a><a name="_Ref483554619"></a>
Connecting to Resource Managers</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">An issue arises when
using the TSS utilities (not the TSS itself) on a platform with a
resource manager. Windows currently has a resource manager (called
TBS) and all OSes will eventually have one.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">A resource manager
flushes all resources (objects like keys, and sessions) when a
connection closes. Since the utilities are standalone processes, the
connection closes after each invocation. Thus, for example, a
utility can load a key, but, when the "load" command
terminates, the resource manager will flush the key.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This is not an issue
for a complete application using the TSS, because the TSS will keep
the connection open through multiple TPM commands. For prototyping
using the utilities, the solution is to simulate this persistent
connection behavior.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The "tpm_proxy"
program connects as a socket server on one side and a TPM device
driver on the other. Once the proxy starts, the resource manager
sees one persistent connection, as desired. The utilities use the
socket interface to the proxy.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The proxy (for both TPM
1.2 and TPM 2.0) is part of the tarball at</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><a class="western" href="https://sourceforge.net/projects/ibmswtpm/files/?source=navbar"><span lang="en-US">https://sourceforge.net/projects/ibmswtpm/files/?source=navbar</span></a></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">It is not well tested
for TPM 2.0. I expect that the TPM_Startup call must be commented
out, and that the TSS must run in "raw" mode.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="8">
<li><h2 class="western"><a name="__RefHeading___Toc485736501"></a>Endorsement
Key (EK Certificates)</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The TSS includes
several TPM vendor EK root certificates for convenience.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">There is no reason for
a user to trust these certificates. Obtain production certificates
directly from the TPM vendor.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">These URLs are provided
for convenience. Observe that some URLs are http. I encourage all
readers to ask the TPM vendors to offer these certificates over a
secured web page, since they form the root of trust for TPM
authenticity.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Utilities such as
"createek" that take a -root argument require a list of EK
root certificates in a file. The utilities include a sample file
…/utils/certificates/rootcerts.txt. The file MUST be edited,
since the file names must have a complete path to your install
directory.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Certificates must be in
PEM format. To convert from DER format (.cer, .crt) to PEM using
openssl:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> openssl x509 -in
cert.cer -inform DER -out cert.pem</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol>
<li><h3 class="western"><a name="__RefHeading___Toc485736502"></a>Nuvoton</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><a class="western" href="https://www.nuvoton.com/security/NTC-TPM-EK-Cert/Nuvoton%20TPM%20Root%20CA%202110.cer"><span lang="en-US">https://www.nuvoton.com/security/NTC-TPM-EK-Cert/Nuvoton%20TPM%20Root%20CA%202110.cer</span></a></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><a class="western" href="https://www.nuvoton.com/security/NTC-TPM-EK-Cert/Nuvoton%20TPM%20Root%20CA%201110.cer"><span lang="en-US">https://www.nuvoton.com/security/NTC-TPM-EK-Cert/Nuvoton%20TPM%20Root%20CA%201110.cer</span></a></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol start="2">
<li><h3 class="western"><a name="__RefHeading___Toc485736503"></a>St
Micro</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">GlobalSign Trusted
Computing CA
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/cacert/gstpmroot.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">ST TPM Root certificate
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/cacert/stmtpmekroot.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">ST Intermediate CA 01
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/cacert/stmtpmekint01.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">ST Intermediate CA 02
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/cacert/stmtpmekint02.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">ST Intermediate CA 03
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/cacert/stmtpmekint03.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">ST Intermediate CA 04
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/cacert/stmtpmekint04.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">ST Intermediate CA 05
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/cacert/stmtpmekint05.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">GlobalSign Trusted
Platform Module ECC</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Root CA
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/cacert/tpmeccroot.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">STM TPM ECC Root CA 01
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/stmtpmeccroot01.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">STM TPM ECC
Intermediate CA 01
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">http://secure.globalsign.com/stmtpmeccint01.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol start="3">
<li><h3 class="western"><a name="__RefHeading___Toc485736504"></a>Infineon</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><a class="western" href="https://www.infineon.com/cms/en/product/promopages/optiga_tpm_certificates"><span lang="en-US">https://www.infineon.com/cms/en/product/promopages/optiga_tpm_certificates</span></a></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol start="4">
<li><h3 class="western"><a name="__RefHeading___Toc485736505"></a>NationZ</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Root</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">https://pki.nationz.com.cn/EkRootCA/EkRootCA.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Intermediate
certificates</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">https://pki.nationz.com.cn/EkMfrCA001/EkMfrCA001.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">https://pki.nationz.com.cn/EkMfrCA002/EkMfrCA002.crt</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">https://pki.nationz.com.cn/EkMfrCA003/EkMfrCA003.crt</span></u></span></font></p>
<ol>
<ol>
<ol start="5">
<li><h3 class="western"><a name="__RefHeading___Toc485736506"></a>Intel</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">PTT EK Root Certificate</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><span lang="en-US">https://upgrades.intel.com/content/CRL/ekcert/EKRootPublicKey.cer</span></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">PTT EK Intermediate
Certificate</p>
<p class="western" style="margin-bottom: 0in">
<font color="#0000ff"><span lang="en-US"><u><a class="western" href="http://upgrades.intel.com/content/CRL/ekcert/SPTHEPIDPROD_EK_Platform_Public_Key.cer"><span lang="en-US">http://upgrades.intel.com/content/CRL/ekcert/SPTHEPIDPROD_EK_Platform_Public_Key.cer</span></a></u></span></font></p>
<ol>
<ol>
<ol>
<ol>
<li><h3 class="western"><a name="__RefHeading___Toc485736507"></a>
Intel EK Certificate Download</h3>
</ol>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">As of June, 2017, the
Intel PTT does not come provisioned with EK certificates. They must
be downloaded using this procedure.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Read the EK public
key</p>
<li><p class="western" style="margin-bottom: 0in">Construct digest
data</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">For RSA,
concatenate the public modulus to the default exponent 010001, all
in binary.</p>
<li><p class="western" style="margin-bottom: 0in">For EC, this step
is currently undocumented.</p>
</ul>
<li><p class="western" style="margin-bottom: 0in">Calculate a
SHA-256 digest of the digest data</p>
<li><p class="western" style="margin-bottom: 0in">Base64 encode the
digest</p>
<li><p class="western" style="margin-bottom: 0in">Convert the base64
to URL base64 by changing = to %3D, + to -, and / to _.</p>
<li><p class="western" style="margin-bottom: 0in">Prepend
<font color="#0000ff"><span lang="en-US"><u><a class="western" href="https://ekop.intel.com/ekcertservice/"><span lang="en-US">https://ekop.intel.com/ekcertservice/</span></a></u></span></font>
to form the certificate URL.</p>
<li><p class="western" style="margin-bottom: 0in">Use a browser to
display the certificate (or use wget and edit in a text editor)</p>
<li><p class="western" style="margin-bottom: 0in">Extract the text
between the <certificate> and </certificate> to a text
editor.</p>
<li><p class="western" style="margin-bottom: 0in">Convert the URL
base64 to base64 by changing %3D to =, - to +, and _ to /. Remove
all newlines.</p>
<li><p class="western" style="margin-bottom: 0in">Base64 decode to
create the DER certificate.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="9">
<li><h2 class="western"><a name="__RefHeading___Toc485736508"></a><a name="_Ref469903483"></a>
Command Line Utilities</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">See also section 4.7 Connecting to Resource Managers.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">As stated in section 3.4.2
Properties, the default is to build the TSS library to encrypt
session state with an ephemeral encryption key that is lost when the
application exits.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This behavior would
preclude using the command line utilities with sessions, since the
encryption key would change. There are two facilities to remedy
this.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<li><p class="western" style="margin-bottom: 0in">For stand-alone
debugging, save session state in plaintext. For example, use an
environment variable:</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.5in; margin-bottom: 0in">>
setenv TPM_ENCRYPT_SESSIONS 0</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"> or the equivalent
compile time flag</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"> -DTPM_ENCRYPT_SESSIONS_DEFAULT="\"0\""</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="2">
<li><p class="western" style="margin-bottom: 0in">For using the
command line utilities securely, either stand-alone or in scripts, a
fixed encryption key can be specified.</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.5in">In the script:</p>
<p class="western" style="text-indent: 0.5in">TPM_SESSION_ENCKEY=`./getrandom
-by 16 -ns`</p>
<p class="western" style="text-indent: 0.5in">On the command line:</p>
<p class="western" style="text-indent: 0.5in">> setenv
TPM_SESSION_ENCKEY `./getrandom -by 16 -ns`</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="5">
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736509"></a>
<font size="2" style="font-size: 11pt">Example</font></h1>
</ol>
<p class="western" style="margin-bottom: 0in">Each standalone utility
serves as an example for a single command.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The signapp.c source
shows how several commands can be chained together to form an
application. It does the following:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Start an
authorization HMAC session</p>
<li><p class="western" style="margin-bottom: 0in">Create a primary
storage key, using the session</p>
<li><p class="western" style="margin-bottom: 0in">Create a signing
key under the storage key</p>
<li><p class="western" style="margin-bottom: 0in">Load the signing
key, using the session</p>
<li><p class="western" style="margin-bottom: 0in">Sign a digest,
using the session</p>
<li><p class="western" style="margin-bottom: 0in">Verify the
signature</p>
<li><p class="western" style="margin-bottom: 0in">Flush the primary
key</p>
<li><p class="western" style="margin-bottom: 0in">Flush the signing
key</p>
<li><p class="western" style="margin-bottom: 0in">Flush the session</p>
</ul>
<ol start="6">
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736510"></a>
<font size="2" style="font-size: 11pt">Build</font></h1>
</ol>
<p class="western" style="margin-bottom: 0in">The builds for Linux
and Windows create the TSS shared object / dll and about 110 command
line programs. The command line programs can be used in a script for
rapid prototyping or as sample usage code.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The build files clear
TPM_ENCRYPT_SESSIONS, which is useful for prototyping and regression
testing. This should be removed for production applications.</p>
<ol>
<ol>
<li><h2 class="western"><a name="__RefHeading___Toc485736511"></a><a name="_Ref156904153"></a>
Directories</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The TSS ships with
these directories:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">…/utils TSS and
utility / demo applications</p>
<p class="western" style="margin-bottom: 0in">…/utils/regtests TSS
regression tests</p>
<p class="western" style="margin-bottom: 0in">…/utils/policies TSS
regression test policies and miscellaneous files</p>
<p class="western" style="margin-bottom: 0in">…/demo TSS demo
web pages</p>
<p class="western" style="margin-bottom: 0in">…/tpmutils TSS
Visual Studio files</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">To extract the tarball</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> cd …</p>
<p class="western" style="margin-bottom: 0in">> tar xvf
ibmtssnnn.tar .</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="2">
<li><h2 class="western"><a name="__RefHeading___Toc485736512"></a>Linux</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Install OpenSSL 1.0.x
or 1.1.x.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> cd …/utils</p>
<p class="western" style="margin-bottom: 0in">> make</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"> Note: Linux builds
must have TPM_POSIX defined.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">After building, run the
regression test against a running simulator. -h gives help. The
Linux version takes about 1 minute.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> ./reg.sh -a</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The regression test can
run against a software TPM at /dev/tpm0. It will skip the power up
sequence. However, it uses the environment variable TPM_INTERFACE_TYPE
as the determination. If the default TPM_INTERFACE_TYPE was changed
at compile time, the regression test will try the power up sequence
unless the environment variable is also set.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#ff0000"><b>I
would not expect the regression test to run against a hardware TPM</b></font>,
since the platform firmware will have set the platform authorization.
There are likely to be other errors due to protected or unsupported
TPM features.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#ff0000"><b>Use
the regression test for TSS verification, not as a TPM test tool.</b></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The TPM device driver
normally does not permit non-root access. Either</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> chmod 777
/dev/tpm0</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">or run as root or sudo.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="3">
<li><h2 class="western"><a name="__RefHeading___Toc485736513"></a>Windows</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Install OpenSSL. The
usual place to get OpenSSL for Windows is
<font color="#0000ff"><span lang="en-US"><u><a class="western" href="http://slproweb.com/products/Win32OpenSSL.html"><span lang="en-US">http://slproweb.com/products/Win32OpenSSL.html</span></a></u></span></font>.
There is no need to build / compile from source. Just run the
downloaded .exe.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Install OpenSSL 1.0.x,
not 1.1.x, which is a major API departure from previous versions.
The port to 1.1.x has not yet been tested on Windows.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Install Win32 OpenSSL,
not the "Light" versions, which I believe do not contain
the development files.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">If you chose not to
install OpenSSL in the recommended location, C:\Program
Files\OpenSSL, you must fix the build paths. (In other words, use
the recommended location.)</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This directory should
be added to the Path environment variable if it's not already there:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.25in; margin-bottom: 0in">c:\Program
Files\OpenSSL\bin</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.25in; margin-bottom: 0in">Note:
Windows builds must have TPM_WINDOWS defined.</p>
<p class="western" style="text-indent: 0.25in; margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Build with Visual
Studio using the solution …/tpmutils/tpmutils.sln</p>
<p class="western" style="text-indent: 0.25in; margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">After building, run the
regression test against a running simulator. The Windows version
takes about 15 minutes.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-left: 0.5in; margin-bottom: 0in">The
Windows script assumes that typical command line tools such as touch
and diff are installed. A typical download location is</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.5in; margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><a class="western" href="http://gnuwin32.sourceforge.net/packages.html"><span lang="en-US">http://gnuwin32.sourceforge.net/packages.html</span></a></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.5in; margin-bottom: 0in">See
CoreUtils and DiffUtils.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> reg.bat</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The regression test
script defaults to the executables being in the same directory as the
script, …/tpm2/utils. This is correct for the gcc build, but
not for the Visual Studio build. To point to those executables, set
this environment variable. Do not omit the trailing slash.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> set
TPM_EXE_PATH=../tpmutils/Debug/</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol>
<li><h3 class="western"><a name="__RefHeading___Toc485736514"></a>Windows
Tbsi</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">These instructions have
been lightly tested.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Users that use only the
socket interface may not want to install Tbsi (Windows TPM Base
Services). Undefine TPM_WINDOWS_TBSI to remove that dependency.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"> Note: To undefined
the macro in Visual Studio:</p>
<ol>
<li><p class="western" style="margin-bottom: 0in">View - Other
Windows - Property Manager</p>
<li><p class="western" style="margin-bottom: 0in">Expand one of the
projects</p>
<li><p class="western" style="margin-bottom: 0in">Expand Debug (or
Release if doing a release build)</p>
<li><p class="western" style="margin-bottom: 0in">Double click
CommonProperties</p>
<li><p class="western" style="margin-bottom: 0in">Expand Common
Properties, then C/C++, then select Preprocessor</p>
<li><p class="western" style="margin-bottom: 0in">Next to
Preprocessor Definitions, click the value, then the down arrow, then
<Edit></p>
<li><p class="western" style="margin-bottom: 0in">Remove the macro
TPM_WINDOWS_TBSI</p>
<li><p class="western" style="margin-bottom: 0in">OK, OK</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">To build in Tbsi:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Install the
Microsoft Platform SDK or the Windows SDK to get the tbs.h include
file.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Define the
preprocessor macro TPM_WINDOWS_TBSI</p>
<li><p class="western" style="margin-bottom: 0in">Define the
preprocessor macro TPM_WINDOWS_TBSI_WIN8</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-left: 0.5in; margin-bottom: 0in">NOTE:
For Windows 7, the alternate macro TPM_WINDOWS_TBSI_WIN7 uses the TPM
1.2 Tbsi API. I use it for light testing, but it is probably useless
for a TPM 2.0.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-left: 0.5in; margin-bottom: 0in">Note:
The TPM_WINDOWS_TBSI_WIN8 macro also supports Windows 10.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Link the tss with
Tbs.lib</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.5in; margin-bottom: 0in">Note:
For Windows 7, use c:/progra~1/Micros~2/Windows/v7.1/lib/Tbs.lib</p>
<p class="western" style="text-indent: 0.5in; margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol start="2">
<li><h3 class="western"><a name="__RefHeading___Toc485736515"></a>Windows
Visual Studio</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">VS solution and project
files are supplied. The Visual Studio 2013 Solution is
…/tpmutils/tpmutils.sln.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">It is currently
configured to compile in the Windows (TPM_WINDOWS) TBSI
(TPM_WINDOWS_TBSI) for Windows 8 (TPM_WINDOWS_TBSI_WIN8). It links
with Tbs.lib.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The default is to
connect to the socket simulator using the Microsoft simulator packet
format. To change the default from a SW TPM to a HW TPM, add the
preprocessor definition:</p>
<p class="western" style="text-indent: 0.5in; margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">TPM_INTERFACE_TYPE_DEFAULT="dev"</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol start="3">
<li><h3 class="western"><a name="__RefHeading___Toc485736516"></a>Windows
gcc</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">A mingw (Minimalist GNU
for Windows) makefile.mak is included. mingw from
<font color="#0000ff"><span lang="en-US"><u><a class="western" href="http://www.mingw.org/"><span lang="en-US">http://www.mingw.org/</span></a></u></span></font>
must be installed.
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">winerror.h may have to
be installed in C:\Program Files\MinGW\include</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">If the mingw install
does not come with C:\Program Files\MinGW\include\tbs.h, a lightly
tested file is included in the utils directory. Copy to C:\Program
Files\MinGW\include.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Uncomment as indicated
in makefile.mak to use the TBSI, either Windows 8 or Windows 7.
Build using:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> cd …/utils</p>
<p class="western" style="margin-bottom: 0in">> make -f
makefile.mak</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="4">
<li><h2 class="western"><a name="__RefHeading___Toc485736517"></a>AIX</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Use gnu make (gmake),
not make.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> cd …/utils</p>
<p class="western" style="margin-bottom: 0in">> gmake -f
makefile.aix</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">After building, run the
regression test against a running Microsoft simulator. -h gives
help. Since the TPM simulator does not run on AIX yet, set the TPM_SERVER_NAME
environment variable.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> reg.sh -a</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="5">
<li><h2 class="western"><a name="__RefHeading___Toc485736518"></a>Minimal
TSS Library Builds</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">There are several
compile time macros that permit building a subset of the TSS library.
Features are lost, but the tradeoff may be important in some
environments.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Since the regression
test does not function against minimal builds, these variations are
very lightly tested. Please report bugs.</p>
<ol>
<ol>
<ol>
<li><h3 class="western"><a name="__RefHeading___Toc485736519"></a>TPM_TSS_NOFILE</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Defining this macro
builds a TSS library that does not use files for temporary and
persistent state. All state is stored in the TSS context and is lost
when the context is deleted.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Drawbacks:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Scripting, which
requires state to persist between processes, does not work.</p>
<li><p class="western" style="margin-bottom: 0in">Names and public
keys of persistent entities do not persist, so the entities must be
reread (and revalidated) at each connection.</p>
<li><p class="western" style="margin-bottom: 0in">Context save and
load are not implemented yet.</p>
<li><p class="western" style="margin-bottom: 0in">There are
currently some fixed size arrays for transient object and session
state.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol>
<ol start="2">
<li><h3 class="western"><a name="__RefHeading___Toc485736520"></a>TPM_TSS_NOCRYPTO</h3>
</ol>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Defining this macro
builds a TSS library that does not depend on a crypto library.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Drawbacks:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">Salted sessions do
not work.</p>
<li><p class="western" style="margin-bottom: 0in">HMAC session do
not work, including policies that require HMAC.</p>
<li><p class="western" style="margin-bottom: 0in">Encrypt and
decrypt sessions do not work.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="7">
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736521"></a>
<font size="2" style="font-size: 11pt">Fedora</font></h1>
</ol>
<p class="western" style="margin-bottom: 0in">This section is only
relevant to a Fedora rpm install. It is a work in progress, and may
not be 100% correct yet.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The …/utils
directory holds a sample makefile, makefile.sample that can be
modified for a user application.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Prerequisite:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"># yum install rpm-build</p>
<ol>
<ol>
<li><h2 class="western"><a name="__RefHeading___Toc485736522"></a>Local
Install</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Download the rpms:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">TBD</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<li><p class="western" style="margin-bottom: 0in">Install binaries:</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">the libraries -
/usr/lib64/libtss.so.0.1and the link /usr/lib64/libtss.so.0</p>
<li><p class="western" style="margin-bottom: 0in">the utilities -
/usr/bin/tssxxx. Note that the installed utilities are namespaced
with the 'tss' prefix.</p>
<li><p class="western" style="margin-bottom: 0in">the license -
/usr/share/doc/tss2-nnn/LICENSE</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.25in; margin-bottom: 0in">#
rpm -ivh tss2-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="2">
<li><p class="western" style="margin-bottom: 0in">Install
development headers:</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">the headers -
/usr/include/tss2
</p>
<li><p class="western" style="margin-bottom: 0in">the library - link
/usr/lib64/libtss.so
</p>
<li><p class="western" style="margin-bottom: 0in">this documentation
- /usr/share/doc/tss2-devel-nnn/ibmtss.doc</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.25in; margin-bottom: 0in">#
rpm -ivh tss2-devel-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="3">
<li><p class="western" style="margin-bottom: 0in">Install debug
source and support</p>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="text-indent: 0.25in; margin-bottom: 0in">#
rpm -ivh tss2-debuginfo-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="2">
<li><h2 class="western"><a name="__RefHeading___Toc485736523"></a>Alternative
Local Install</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Erase an old version as
needed:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"># yum erase
tss2-devel-nnn-1.el6.x86_64</p>
<p class="western" style="margin-bottom: 0in"># yum erase
tss2-nnn-1.el6.x86_64</p>
<p class="western" style="margin-bottom: 0in"># yum erase
tss2-debuginfo-nnn-1.el6.x86_64</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Install (new method)</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"># dnf install
./tss2-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"># dnf install
./tss2-devel-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"># dnf install
./tss2-debuginfo-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Install (old method)</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"># yum install
./tss2-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"># yum install
./tss2-devel-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"># yum install
./tss2-debuginfo-nnn-1.el6.x86_64.rpm</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="3">
<li><h2 class="western"><a name="__RefHeading___Toc485736524"></a>Repository
Install</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Once the packages have
been upstreamed, use this process.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"># dnf install tss</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="4">
<li><h2 class="western"><a name="__RefHeading___Toc485736525"></a>Install
Test</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">This assumes that the
SW TPM has been installed, see this link:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><font color="#0000ff"><span lang="en-US"><u><a class="western" href="https://sourceforge.net/projects/ibmtpm20tss/?source=navbar"><span lang="en-US">https://sourceforge.net/projects/ibmtpm20tss/?source=navbar</span></a></u></span></font></p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">It also assumes that
the regression test has been installed. See Section 7.5.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">In reg.sh, change the
utility prefix variable to tss.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">PREFIX=tss</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Run the regression
test:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> cd
~/rpmbuild/BUILD/tss2-nnn/utils</p>
<p class="western" style="margin-bottom: 0in">> ./reg.sh</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="5">
<li><h2 class="western"><a name="__RefHeading___Toc485736526"></a><a name="_Ref456884269"></a>
Source rpms</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Install source (as
non-root user)</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> rpm -ivh
tss2-nnn-1.el6.src.rpm</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The src rpm has a
tarball and spec file. To build:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">> cd ~/rpmbuild</p>
<p class="western" style="margin-bottom: 0in">> rpmbuild -bp
SPECS/tss2.spec</p>
<p class="western" style="margin-bottom: 0in">> cd
BUILD/tss2-nnn/utils</p>
<p class="western" style="margin-bottom: 0in">> make -f
makefile.fedora</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol start="8">
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736527"></a>
<font size="2" style="font-size: 11pt">Status</font></h1>
<ol>
<li><h2 class="western"><a name="__RefHeading___Toc485736528"></a>Utilities</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The utilities serve
several purposes:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">They are called by
a bash or bat script to form the regression test.
</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-left: 0.5in; margin-bottom: 0in">The
bash regression test script itself is sample code for how to use the
utilities and the TPM to perform multi-step tasks.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">They are sample
code on how to use the TSS.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">They can be used
in a script for rapid prototyping.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">NOTE: The utility
command line arguments are not stable. They change occasionally to
improve consistency among utilities or to add features</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The utilities currently
do not permit all TPM command options. Let me know what needs
enhancement.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="2">
<li><h2 class="western"><a name="__RefHeading___Toc485736529"></a>Bugs</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">Please report bugs.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ol>
<ol start="3">
<li><h2 class="western"><a name="__RefHeading___Toc485736530"></a>Untested</h2>
</ol>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">These may "just
work" but they have not been tested yet.
</p>
<p class="western" style="margin-bottom: 0in">Users are welcome to
suggest ECC tests and prioritize the below list.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">ECC commands -
ECDH_KeyGen, ECDH_ZGen, ZGen_2Phase. Commit, EC_Ephemeral</p>
<li><p class="western" style="margin-bottom: 0in">Several policy
commands (PolicyNameHash, PolicyDuplicationSelect, PolicyLocality)</p>
<li><p class="western" style="margin-bottom: 0in">TestParams,
GetTestResult</p>
</ul>
<p style="margin-left: 0.5in; margin-bottom: 0.14in; line-height: 115%">
<br><br>
</p>
<ol start="9">
<li><h1 class="western" align="justify" style="margin-top: 0.25in; margin-bottom: 0.17in; page-break-before: always"><a name="__RefHeading___Toc485736531"></a>
<font size="2" style="font-size: 11pt">Theading</font></h1>
</ol>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">The TSS is not thread
safe.</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">There are many issues
with making a TSS thread safe, because the TPM is inherently single
threaded. For example:</p>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<ul>
<li><p class="western" style="margin-bottom: 0in">There is only one
channel to a TPM. Two threads writing bytes to a socket to a
resource manager or simulator, or writing bytes to the device
driver, will fail.</p>
<li><p class="western" style="margin-bottom: 0in">The TPM has
session state that has to be coordinated with an application. For
example, if a thread begins to calculate an HMAC for a session, and
another thread uses the session, the rolling nonces will cause the
first thread HMAC to fail.</p>
<li><p class="western" style="margin-bottom: 0in">Applications have
state at a higher level. For example, if a thread begins to use a
key and another thread saves the key context and flushes the key,
the first thread's application will fail.</p>
</ul>
<p class="western" style="margin-bottom: 0in"><br>
</p>
<p class="western" style="margin-bottom: 0in">I think the best we can
do is provide a common "TSS lock semaphore" mechanism, so
that threads can coordinate access to the TSS using a common API.</p>
<p class="western" style="margin-bottom: 0in; display: none"><a name="_PictureBullets"></a>
<br>
</p>
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