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| author | Werner Koch <wk@gnupg.org> | 1998-08-07 08:53:38 +0000 |
|---|---|---|
| committer | Werner Koch <wk@gnupg.org> | 1998-08-07 08:53:38 +0000 |
| commit | c355eb5c4e0e6578ff9cda30e83ab9adcacd913a (patch) | |
| tree | 84805acea517b8ccaec96c428aae5228956fee3a /cipher/dsa.c | |
| parent | e7d8ce5405e6bf9d4f340a0f5fd137bc3bdde8c9 (diff) | |
| download | libgcrypt-c355eb5c4e0e6578ff9cda30e83ab9adcacd913a.tar.gz | |
chnages done at the train
Diffstat (limited to 'cipher/dsa.c')
| -rw-r--r-- | cipher/dsa.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/cipher/dsa.c b/cipher/dsa.c index 107ed71c..accbca9e 100644 --- a/cipher/dsa.c +++ b/cipher/dsa.c @@ -66,7 +66,17 @@ gen_k( MPI q ) for(;;) { if( DBG_CIPHER ) fputc('.', stderr); - mpi_set_bytes( k, nbits , get_random_byte, 1 ); + { char *p = get_random_bits( nbits, 1, 1 ); + mpi_set_buffer( k, p, (nbits+7)/8, 0 ); + m_free(p); + /* make sure that the number is of the exact lenght */ + if( mpi_test_bit( k, nbits-1 ) ) + mpi_set_highbit( k, nbits-1 ); + else { + mpi_set_highbit( k, nbits-1 ); + mpi_clear_bit( k, nbits-1 ); + } + } if( !(mpi_cmp( k, q ) < 0) ) /* check: k < q */ continue; /* no */ if( !(mpi_cmp_ui( k, 0 ) > 0) ) /* check: k > 0 */ @@ -92,7 +102,11 @@ test_keys( DSA_secret_key *sk, unsigned qbits ) pk.q = sk->q; pk.g = sk->g; pk.y = sk->y; - mpi_set_bytes( test, qbits, get_random_byte, 0 ); + /*mpi_set_bytes( test, qbits, get_random_byte, 0 );*/ + { char *p = get_random_bits( qbits, 0, 0 ); + mpi_set_buffer( test, p, (qbits+7)/8, 0 ); + m_free(p); + } sign( out1_a, out1_b, test, sk ); if( !verify( out1_a, out1_b, test, &pk ) ) |