security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2025-07-02 22:46:30 +02:00
Code Activity

*** empty log message ***

Browse source
This commit is contained in:
Werner Koch 2004-03-29 13:56:57 +00:00
parent fcbd25c5ad
commit 42ac422ba0
9 changed files with 99 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

10
cipher/dsa.c
View file

@ -320,7 +320,7 @@ verify(MPI r, MPI s, MPI hash, DSA_public_key *pkey )
int rc;
MPI w, u1, u2, v;
MPI base[3];
MPI exp[3];
MPI exponent[3];
if( !(mpi_cmp_ui( r, 0 ) > 0 && mpi_cmp( r, pkey->q ) < 0) )
@ -343,10 +343,10 @@ verify(MPI r, MPI s, MPI hash, DSA_public_key *pkey )
mpi_mulm( u2, r, w, pkey->q );
/* v = g^u1 * y^u2 mod p mod q */
base[0] = pkey->g; exp[0] = u1;
base[1] = pkey->y; exp[1] = u2;
base[2] = NULL; exp[2] = NULL;
mpi_mulpowm( v, base, exp, pkey->p );
base[0] = pkey->g; exponent[0] = u1;
base[1] = pkey->y; exponent[1] = u2;
base[2] = NULL; exponent[2] = NULL;
mpi_mulpowm( v, base, exponent, pkey->p );
mpi_fdiv_r( v, v, pkey->q );
rc = !mpi_cmp( v, r );