[pkg-gnupg-maint] Bug#789246: Bug#789246: FTBFS amd64
Kurt Roeckx
kurt at roeckx.be
Tue Sep 15 17:02:29 UTC 2015
On Tue, Sep 15, 2015 at 12:53:39PM -0400, Daniel Kahn Gillmor wrote:
> On Tue 2015-09-15 11:14:17 -0400, Werner Koch wrote:
> > Good, that works. However, the actual burn_cycles code is more like:
> >
> > static int
> > burn_cycles(unsigned long count)
> > {
> > char buffer[16];
> > return gcry_kdf_derive ("123456789abcdef0", 16,
> > GCRY_KDF_ITERSALTED_S2K,
> > GCR_MD_SHA1, "saltsalt", 8,
> > count, buffer, 16);
> > }
> >
> > and thus does a lot of SHA-1 operations in Libgcrypt.
>
> Yep, i wanted the initial test to happen without libgcrypt.
>
> Below is a new version that uses gcrypt (fixing a couple typos in
> Werner's example above). It should be compiled with:
>
> gcc -lgcrypt -Wall -Werror --pedantic -o test-csail test-csail.c
>
> i'm tracking this test code in git, if anyone is interested:
> git clone git://lair.fifthhorseman.net/~dkg/789246
>
> Kurt, can we try this out on x86-csail-01 ?
S2K calibration: 2 -> 0ms
S2K calibration: 4 -> 0ms
S2K calibration: 8 -> 0ms
S2K calibration: 16 -> 0ms
S2K calibration: 32 -> 0ms
S2K calibration: 64 -> 0ms
S2K calibration: 128 -> 0ms
S2K calibration: 256 -> 0ms
S2K calibration: 512 -> 0ms
S2K calibration: 1024 -> 0ms
S2K calibration: 2048 -> 0ms
S2K calibration: 4096 -> 0ms
S2K calibration: 8192 -> 0ms
S2K calibration: 16384 -> 0ms
S2K calibration: 32768 -> 0ms
S2K calibration: 65536 -> 0ms
S2K calibration: 131072 -> 0ms
S2K calibration: 262144 -> 0ms
S2K calibration: 524288 -> 10ms
S2K calibration: 1048576 -> 10ms
S2K calibration: 2097152 -> 20ms
S2K calibration: 4194304 -> 40ms
S2K calibration: 8388608 -> 60ms
S2K calibration: 16777216 -> 120ms
S2K calibration: 13981013 -> 100ms
x: 13981013
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