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Truncate the DSA hash; fixes regression.

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Removed left over debug code.
This commit is contained in:
Werner Koch 2011-01-21 15:58:07 +01:00
parent 27929981fc
commit c3db7705c0
3 changed files with 8 additions and 7 deletions
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10
g10/seskey.c
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@ -319,11 +319,13 @@ encode_md_value (PKT_public_key *pk, gcry_md_hd_t md, int hash_algo)
return NULL;
}
/* Note that in case of ECDSA 521 hash is always smaller than
the key size. */
/* By passing QBYTES as length to mpi_scan, we do the truncation
of the hash.
Note that in case of ECDSA 521 the hash is always smaller
than the key size. */
if (gcry_mpi_scan (&frame, GCRYMPI_FMT_USG,
gcry_md_read (md, hash_algo),
gcry_md_get_algo_dlen (hash_algo), &qbytes))
gcry_md_read (md, hash_algo), qbytes, &qbytes))
BUG();
}
else