diff options
Diffstat (limited to 'cipher/elgamal.c')
| -rw-r--r-- | cipher/elgamal.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/cipher/elgamal.c b/cipher/elgamal.c index 51e5c559..b902aba6 100644 --- a/cipher/elgamal.c +++ b/cipher/elgamal.c @@ -448,7 +448,7 @@ verify(gcry_mpi_t a, gcry_mpi_t b, gcry_mpi_t input, ELG_public_key *pkey ) gcry_mpi_t t1; gcry_mpi_t t2; gcry_mpi_t base[4]; - gcry_mpi_t exp[4]; + gcry_mpi_t ex[4]; if( !(mpi_cmp_ui( a, 0 ) > 0 && mpi_cmp( a, pkey->p ) < 0) ) return 0; /* assertion 0 < a < p failed */ @@ -468,10 +468,10 @@ verify(gcry_mpi_t a, gcry_mpi_t b, gcry_mpi_t input, ELG_public_key *pkey ) rc = !mpi_cmp( t1, t2 ); #elif 0 /* t1 = (y^a mod p) * (a^b mod p) mod p */ - base[0] = pkey->y; exp[0] = a; - base[1] = a; exp[1] = b; - base[2] = NULL; exp[2] = NULL; - mpi_mulpowm( t1, base, exp, pkey->p ); + base[0] = pkey->y; ex[0] = a; + base[1] = a; ex[1] = b; + base[2] = NULL; ex[2] = NULL; + mpi_mulpowm( t1, base, ex, pkey->p ); /* t2 = g ^ input mod p */ gcry_mpi_powm( t2, pkey->g, input, pkey->p ); @@ -480,11 +480,11 @@ verify(gcry_mpi_t a, gcry_mpi_t b, gcry_mpi_t input, ELG_public_key *pkey ) #else /* t1 = g ^ - input * y ^ a * a ^ b mod p */ mpi_invm(t2, pkey->g, pkey->p ); - base[0] = t2 ; exp[0] = input; - base[1] = pkey->y; exp[1] = a; - base[2] = a; exp[2] = b; - base[3] = NULL; exp[3] = NULL; - mpi_mulpowm( t1, base, exp, pkey->p ); + base[0] = t2 ; ex[0] = input; + base[1] = pkey->y; ex[1] = a; + base[2] = a; ex[2] = b; + base[3] = NULL; ex[3] = NULL; + mpi_mulpowm( t1, base, ex, pkey->p ); rc = !mpi_cmp_ui( t1, 1 ); #endif |