[fedora-arm] Broken sha512sum in coreutils

[Andy Green]

On 01/07/11 10:40, Somebody in the thread at some point said:
> It would appear that sha512sum is broken, at least in the F12 distro
> (coreutils-7.6-5.fc12.fa1.armv5tel). It is producing a different hash
> for the same file compared to what my x86 machines produce. This is
> quite worrying and a potentially dangerous crypto-security issue.
>
> The only thing that comes to mind as a potential cause (other than a
> bug) is that I am using gcc/libgcc from F13 with F12 coreutils. I just
> updated coreutils to the F13 package (coreutils-8.4-5.fc13.armv5tel),
> and that produces the correct hashes.
>
> Can anybody with a clean F12 vanilla copy check if they can reproduce
> the problem?

No problem here.

ARM: coreutils-7.6-5.fc12.fa1.armv5tel

[root at ivmon ~]# dd if=/dev/zero of=/tmp/z bs=512 count=10
10+0 records in
10+0 records out
5120 bytes (5.1 kB) copied, 0.000959 s, 5.3 MB/s
[root at ivmon ~]# sha512sum /tmp/z
1f1e6f098e99bb0ab52c3142f0fb545b00470d267823d44fd609fdaae1a6f45fb437de931fa16bbb4a702c0cba7abb9954b737ff4edb30f16ae39a2c67ee6bb7 
  /tmp/z
[root at ivmon ~]#


x86_64: coreutils-8.8-2.fc15.x86_64

[agreen at otae Downloads]$ dd if=/dev/zero of=/tmp/z bs=512 count=10
10+0 records in
10+0 records out
5120 bytes (5.1 kB) copied, 7.6686e-05 s, 66.8 MB/s
[agreen at otae Downloads]$ sha512sum /tmp/z
1f1e6f098e99bb0ab52c3142f0fb545b00470d267823d44fd609fdaae1a6f45fb437de931fa16bbb4a702c0cba7abb9954b737ff4edb30f16ae39a2c67ee6bb7 
  /tmp/z
[agreen at otae Downloads]$

Check with ldd what it is linking to.

-Andy