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
|
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.47.4.
.TH VBUTIL_KERNEL "1" "May 2016" "vbutil_kernel " "User Commands"
.SH NAME
vbutil_kernel \- Utility to sign custom kernels to boot with Chrome OS devices
.SH SYNOPSIS
.B futility
\fI\,/usr/bin/vbutil_kernel --pack <file> \/\fR[\fI\,PARAMETERS\/\fR]
.SH DESCRIPTION
.IP
Required parameters:
.TP
\fB\-\-keyblock\fR <file>
Key block in .keyblock format
.TP
\fB\-\-signprivate\fR <file>
Private key to sign kernel data,
in .vbprivk format
.TP
\fB\-\-version\fR <number>
Kernel version
.TP
\fB\-\-vmlinuz\fR <file>
Linux kernel bzImage file
.TP
\fB\-\-bootloader\fR <file>
Bootloader stub
.TP
\fB\-\-config\fR <file>
Command line file
.TP
\fB\-\-arch\fR <arch>
Cpu architecture (default x86)
.IP
Optional:
.TP
\fB\-\-kloadaddr\fR <address>
Assign kernel body load address
.TP
\fB\-\-pad\fR <number>
Verification padding size in bytes
.TP
\fB\-\-vblockonly\fR
Emit just the verification blob
.TP
\fB\-\-flags\fR NUM
Flags to be passed in the header
.PP
OR
.PP
Usage: futility \fI\,/usr/bin/vbutil_kernel\/\fP \fB\-\-repack\fR <file>
[PARAMETERS]
.IP
Required parameters:
.TP
\fB\-\-signprivate\fR <file>
Private key to sign kernel data,
in .vbprivk format
.TP
\fB\-\-oldblob\fR <file>
Previously packed kernel blob
(including verification blob)
.IP
Optional:
.TP
\fB\-\-keyblock\fR <file>
Key block in .keyblock format
.TP
\fB\-\-config\fR <file>
New command line file
.TP
\fB\-\-version\fR <number>
Kernel version
.TP
\fB\-\-kloadaddr\fR <address>
Assign kernel body load address
.TP
\fB\-\-pad\fR <number>
Verification blob size in bytes
.TP
\fB\-\-vblockonly\fR
Emit just the verification blob
.PP
OR
.PP
Usage: futility \fI\,/usr/bin/vbutil_kernel\/\fP \fB\-\-verify\fR <file>
[PARAMETERS]
.IP
Optional:
.TP
\fB\-\-signpubkey\fR <file>
Public key to verify kernel keyblock,
in .vbpubk format
.TP
\fB\-\-verbose\fR
Print a more detailed report
.TP
\fB\-\-keyblock\fR <file>
Outputs the verified key block,
in .keyblock format
.TP
\fB\-\-pad\fR <number>
Verification padding size in bytes
.TP
\fB\-\-minversion\fR <number>
Minimum combined kernel key version
.PP
OR
.PP
Usage: futility \fI\,/usr/bin/vbutil_kernel\/\fP \fB\-\-get\-vmlinuz\fR
<file> [PARAMETERS]
.IP
Required parameters:
.TP
\fB\-\-vmlinuz\-out\fR <file>
vmlinuz image output file
.PP
Usage: futility \fI\,/usr/bin/vbutil_kernel\/\fP \fB\-\-pack\fR <file>
[PARAMETERS]
.IP
Required parameters:
.TP
\fB\-\-keyblock\fR <file>
Key block in .keyblock format
.TP
\fB\-\-signprivate\fR <file>
Private key to sign kernel data,
in .vbprivk format
.TP
\fB\-\-version\fR <number>
Kernel version
.TP
\fB\-\-vmlinuz\fR <file>
Linux kernel bzImage file
.TP
\fB\-\-bootloader\fR <file>
Bootloader stub
.TP
\fB\-\-config\fR <file>
Command line file
.TP
\fB\-\-arch\fR <arch>
Cpu architecture (default x86)
.IP
Optional:
.TP
\fB\-\-kloadaddr\fR <address>
Assign kernel body load address
.TP
\fB\-\-pad\fR <number>
Verification padding size in bytes
.TP
\fB\-\-vblockonly\fR
Emit just the verification blob
.TP
\fB\-\-flags\fR NUM
Flags to be passed in the header
.PP
OR
.PP
Usage: futility \fI\,/usr/bin/vbutil_kernel\/\fP \fB\-\-repack\fR <file>
[PARAMETERS]
.IP
Required parameters:
.TP
\fB\-\-signprivate\fR <file>
Private key to sign kernel data,
in .vbprivk format
.TP
\fB\-\-oldblob\fR <file>
Previously packed kernel blob
(including verification blob)
.IP
Optional:
.TP
\fB\-\-keyblock\fR <file>
Key block in .keyblock format
.TP
\fB\-\-config\fR <file>
New command line file
.TP
\fB\-\-version\fR <number>
Kernel version
.TP
\fB\-\-kloadaddr\fR <address>
Assign kernel body load address
.TP
\fB\-\-pad\fR <number>
Verification blob size in bytes
.TP
\fB\-\-vblockonly\fR
Emit just the verification blob
.PP
OR
.PP
Usage: futility \fI\,/usr/bin/vbutil_kernel\/\fP \fB\-\-verify\fR <file>
[PARAMETERS]
.IP
Optional:
.TP
\fB\-\-signpubkey\fR <file>
Public key to verify kernel keyblock,
in .vbpubk format
.TP
\fB\-\-verbose\fR
Print a more detailed report
.TP
\fB\-\-keyblock\fR <file>
Outputs the verified key block,
in .keyblock format
.TP
\fB\-\-pad\fR <number>
Verification padding size in bytes
.TP
\fB\-\-minversion\fR <number>
Minimum combined kernel key version
.PP
OR
.PP
Usage: futility \fI\,/usr/bin/vbutil_kernel\/\fP \fB\-\-get\-vmlinuz\fR
<file> [PARAMETERS]
.IP
Required parameters:
.TP
\fB\-\-vmlinuz\-out\fR <file>
vmlinuz image output file
|
