table of contents
VBUTIL_KERNEL(1) | User Commands | VBUTIL_KERNEL(1) |
NAME¶
vbutil_kernel - Utility to sign custom kernels to boot with Chrome OS devices
SYNOPSIS¶
futility /usr/bin/vbutil_kernel --pack <file> [PARAMETERS]
DESCRIPTION¶
- Required parameters:
- --keyblock <file>
- Key block in .keyblock format
- --signprivate <file>
- Private key to sign kernel data, in .vbprivk format
- --version <number>
- Kernel version
- --vmlinuz <file>
- Linux kernel bzImage file
- --bootloader <file>
- Bootloader stub
- --config <file>
- Command line file
- --arch <arch>
- Cpu architecture (default x86)
- Optional:
- --kloadaddr <address>
- Assign kernel body load address
- --pad <number>
- Verification padding size in bytes
- --vblockonly
- Emit just the verification blob
- --flags NUM
- Flags to be passed in the header
OR
Usage: futility /usr/bin/vbutil_kernel --repack <file> [PARAMETERS]
- Required parameters:
- --signprivate <file>
- Private key to sign kernel data, in .vbprivk format
- --oldblob <file>
- Previously packed kernel blob (including verification blob)
- Optional:
- --keyblock <file>
- Key block in .keyblock format
- --config <file>
- New command line file
- --version <number>
- Kernel version
- --kloadaddr <address>
- Assign kernel body load address
- --pad <number>
- Verification blob size in bytes
- --vblockonly
- Emit just the verification blob
OR
Usage: futility /usr/bin/vbutil_kernel --verify <file> [PARAMETERS]
- Optional:
- --signpubkey <file>
- Public key to verify kernel keyblock, in .vbpubk format
- --verbose
- Print a more detailed report
- --keyblock <file>
- Outputs the verified key block, in .keyblock format
- --pad <number>
- Verification padding size in bytes
- --minversion <number>
- Minimum combined kernel key version
OR
Usage: futility /usr/bin/vbutil_kernel --get-vmlinuz <file> [PARAMETERS]
- Required parameters:
- --vmlinuz-out <file>
- vmlinuz image output file
Usage: futility /usr/bin/vbutil_kernel --pack <file> [PARAMETERS]
- Required parameters:
- --keyblock <file>
- Key block in .keyblock format
- --signprivate <file>
- Private key to sign kernel data, in .vbprivk format
- --version <number>
- Kernel version
- --vmlinuz <file>
- Linux kernel bzImage file
- --bootloader <file>
- Bootloader stub
- --config <file>
- Command line file
- --arch <arch>
- Cpu architecture (default x86)
- Optional:
- --kloadaddr <address>
- Assign kernel body load address
- --pad <number>
- Verification padding size in bytes
- --vblockonly
- Emit just the verification blob
- --flags NUM
- Flags to be passed in the header
OR
Usage: futility /usr/bin/vbutil_kernel --repack <file> [PARAMETERS]
- Required parameters:
- --signprivate <file>
- Private key to sign kernel data, in .vbprivk format
- --oldblob <file>
- Previously packed kernel blob (including verification blob)
- Optional:
- --keyblock <file>
- Key block in .keyblock format
- --config <file>
- New command line file
- --version <number>
- Kernel version
- --kloadaddr <address>
- Assign kernel body load address
- --pad <number>
- Verification blob size in bytes
- --vblockonly
- Emit just the verification blob
OR
Usage: futility /usr/bin/vbutil_kernel --verify <file> [PARAMETERS]
- Optional:
- --signpubkey <file>
- Public key to verify kernel keyblock, in .vbpubk format
- --verbose
- Print a more detailed report
- --keyblock <file>
- Outputs the verified key block, in .keyblock format
- --pad <number>
- Verification padding size in bytes
- --minversion <number>
- Minimum combined kernel key version
OR
Usage: futility /usr/bin/vbutil_kernel --get-vmlinuz <file> [PARAMETERS]
- Required parameters:
- --vmlinuz-out <file>
- vmlinuz image output file
May 2016 | vbutil_kernel |