.\" 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