diff options
Diffstat (limited to 'g10/seskey.c')
| -rw-r--r-- | g10/seskey.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/g10/seskey.c b/g10/seskey.c index 844f2e4c1..fc912eeb5 100644 --- a/g10/seskey.c +++ b/g10/seskey.c @@ -195,6 +195,12 @@ encode_md_value( int pubkey_algo, MD_HANDLE md, int hash_algo, MPI frame; if( pubkey_algo == PUBKEY_ALGO_DSA ) { + mdlen = md_digest_length (hash_algo); + if (mdlen != 20) { + log_error (_("DSA requires the use of a 160 bit hash algorithm\n")); + return NULL; + } + frame = md_is_secure(md)? mpi_alloc_secure((md_digest_length(hash_algo) +BYTES_PER_MPI_LIMB-1) / BYTES_PER_MPI_LIMB ) : mpi_alloc((md_digest_length(hash_algo) |