1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Class: Net::SSH::Transport::OSSL::HMAC::Abstract</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<link rel="stylesheet" href="../../../../../.././rdoc-style.css" type="text/css" media="screen" />
<script type="text/javascript">
// <![CDATA[
function popupCode( url ) {
window.open(url, "Code", "resizable=yes,scrollbars=yes,toolbar=no,status=no,height=150,width=400")
}
function toggleCode( id ) {
if ( document.getElementById )
elem = document.getElementById( id );
else if ( document.all )
elem = eval( "document.all." + id );
else
return false;
elemStyle = elem.style;
if ( elemStyle.display != "block" ) {
elemStyle.display = "block"
} else {
elemStyle.display = "none"
}
return true;
}
// Make codeblocks hidden by default
document.writeln( "<style type=\"text/css\">div.method-source-code { display: none }</style>" )
// ]]>
</script>
</head>
<body>
<div id="classHeader">
<table class="header-table">
<tr class="top-aligned-row">
<td><strong>Class</strong></td>
<td class="class-name-in-header">Net::SSH::Transport::OSSL::HMAC::Abstract</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../../../../../files/lib/net/ssh/transport/ossl/hmac/hmac_rb.html">
lib/net/ssh/transport/ossl/hmac/hmac.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
Object
</td>
</tr>
</table>
</div>
<!-- banner header -->
<div id="bodyContent">
<div id="contextContent">
<div id="description">
<p>
The base class of all <a
href="../../../../../OpenSSL.html">OpenSSL</a>-based <a
href="../HMAC.html">HMAC</a> algorithm wrappers.
</p>
</div>
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000025">digest</a>
<a href="#M000024">new</a>
</div>
</div>
</div>
<!-- if includes -->
<div id="section">
<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">digest_class</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc">
The digest algorithm to use when computing the <a
href="../HMAC.html">HMAC</a> digest.
</td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">key</td>
<td class="context-item-value"> [RW] </td>
<td class="context-item-desc">
The key to use for this instance.
</td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">key_length</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc">
The number of bytes that this algorithm expects the key to contain.
</td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">mac_length</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc">
The number of bytes in the digest generated by this algorithm.
</td>
</tr>
</table>
</div>
</div>
<!-- if method_list -->
<div id="methods">
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000025" class="method-detail">
<a name="M000025"></a>
<div class="method-heading">
<a href="#M000025" class="method-signature">
<span class="method-name">digest</span><span class="method-args">( data )</span>
</a>
</div>
<div class="method-description">
<p>
Compute the <a href="../HMAC.html">HMAC</a> digest for the given data
string.
</p>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000025-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000025-source">
<pre>
<span class="ruby-comment cmt"># File lib/net/ssh/transport/ossl/hmac/hmac.rb, line 51</span>
51: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">digest</span>( <span class="ruby-identifier">data</span> )
52: <span class="ruby-constant">OpenSSL</span><span class="ruby-operator">::</span><span class="ruby-constant">HMAC</span>.<span class="ruby-identifier">digest</span>( <span class="ruby-identifier">digest_class</span>.<span class="ruby-identifier">new</span>, <span class="ruby-identifier">key</span>, <span class="ruby-identifier">data</span> )[<span class="ruby-value">0</span>,<span class="ruby-identifier">mac_length</span>]
53: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000024" class="method-detail">
<a name="M000024"></a>
<div class="method-heading">
<a href="#M000024" class="method-signature">
<span class="method-name">new</span><span class="method-args">( key )</span>
</a>
</div>
<div class="method-description">
<p>
Return a new <a href="../HMAC.html">HMAC</a> algorithm just like the
current one, but using the given key.
</p>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000024-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000024-source">
<pre>
<span class="ruby-comment cmt"># File lib/net/ssh/transport/ossl/hmac/hmac.rb, line 44</span>
44: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">new</span>( <span class="ruby-identifier">key</span> )
45: <span class="ruby-identifier">mac</span> = <span class="ruby-identifier">dup</span>
46: <span class="ruby-identifier">mac</span>.<span class="ruby-identifier">key</span> = <span class="ruby-identifier">key</span>[ <span class="ruby-value">0</span>, <span class="ruby-identifier">key_length</span> ]
47: <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">mac</span>
48: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
</div>
</div>
<div id="validator-badges">
<p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p>
</div>
</body>
</html>
|
