Displaying 2 results from an estimated 2 matches for "a420c7b4".
2019 Jun 08
2
Kernel Image CRC checking
On 6/7/19 10:48 PM, H. Peter Anvin via Syslinux wrote:
> On 6/7/19 10:34 PM, H. Peter Anvin via Syslinux wrote:
>> On 6/7/19 10:25 PM, H. Peter Anvin via Syslinux wrote:
>>>>
>>>> However, the CRC polynomial for zlib and the Linux kernel should both be the
>>>> same: 0x04c11db7.
>>>
>>> I just double-checked, and the CRC tables are
2019 Jun 09
0
Kernel Image CRC checking
...Unfortunately you have to account for kernel signing.
Let's check this kernel distributed by openSUSE:
gzip vmlinuz-5.2.0-rc1-2.gb225e5a-default
gzip -l -v vmlinuz-5.2.0-rc1-2.gb225e5a-default.gz
method crc date time compressed uncompressed ratio uncompressed_name
defla a420c7b4 Jun 9 20:17 8121642 8486816 4.3% vmlinuz-5.2.0-rc1-2.gb225e5a-default
If the certificate is stripped and the PE Certification Table wiped:
gzip vmlinuz-5.2.0-rc1-2.gb225e5a-default-nosig-fixed
gzip -l -v vmlinuz-5.2.0-rc1-2.gb225e5a-default-nosig-fixed.gz
method crc...