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See ChangeLog: Mon Nov 15 21:36:02 CET 1999 Werner Koch

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This commit is contained in:
Werner Koch 1999-11-15 20:32:25 +00:00
parent 881e513237
commit 37f3c09edb
17 changed files with 67 additions and 60 deletions
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20
cipher/dsa.c
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@ -79,13 +79,14 @@ gen_k( MPI q )
if( !rndbuf || nbits < 32 ) {
g10_free(rndbuf);
rndbuf = get_random_bits( nbits, 1, 1 );
rndbuf = gcry_random_bytes_secure( (nbits+7)/8,
GCRY_STRONG_RANDOM );
}
else { /* change only some of the higher bits */
/* we could imporove this by directly requesting more memory
* at the first call to get_random_bits() and use this the here
* at the first call to get_random_bytes() and use this the here
* maybe it is easier to do this directly in random.c */
char *pp = get_random_bits( 32, 1, 1 );
char *pp = gcry_random_bytes_secure( 4, GCRY_STRONG_RANDOM );
memcpy( rndbuf,pp, 4 );
g10_free(pp);
}
@ -129,8 +130,7 @@ 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 );*/
{ char *p = get_random_bits( qbits, 0, 0 );
{ char *p = gcry_random_bytes( (qbits+7)/8, GCRY_WEAK_RANDOM );
mpi_set_buffer( test, p, (qbits+7)/8, 0 );
g10_free(p);
}
@ -199,10 +199,12 @@ generate( DSA_secret_key *sk, unsigned nbits, MPI **ret_factors )
if( DBG_CIPHER )
progress('.');
if( !rndbuf )
rndbuf = get_random_bits( qbits, 2, 1 );
rndbuf = gcry_random_bytes_secure( (qbits+7)/8,
GCRY_VERY_STRONG_RANDOM );
else { /* change only some of the higher bits (= 2 bytes)*/
char *r = get_random_bits( 16, 2, 1 );
memcpy(rndbuf, r, 16/8 );
char *r = gcry_random_bytes_secure( 2,
GCRY_VERY_STRONG_RANDOM );
memcpy(rndbuf, r, 2 );
g10_free(r);
}
mpi_set_buffer( x, rndbuf, (qbits+7)/8, 0 );
@ -454,7 +456,7 @@ dsa_get_info( int algo, int *npkey, int *nskey, int *nenc, int *nsig,
*nsig = 2;
switch( algo ) {
case PUBKEY_ALGO_DSA: *use = PUBKEY_USAGE_SIG; return "DSA";
case PUBKEY_ALGO_DSA: *use = GCRY_PK_USAGE_SIGN; return "DSA";
default: *use = 0; return NULL;
}
}