diff options
Diffstat (limited to 'cipher/elgamal.c')
| -rw-r--r-- | cipher/elgamal.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/cipher/elgamal.c b/cipher/elgamal.c index c3f086238..5143ecc8c 100644 --- a/cipher/elgamal.c +++ b/cipher/elgamal.c @@ -374,6 +374,9 @@ decrypt(MPI output, MPI a, MPI b, ELG_secret_key *skey ) { MPI t1 = mpi_alloc_secure( mpi_get_nlimbs( skey->p ) ); + mpi_normalize (a); + mpi_normalize (b); + /* output = b/(a^x) mod p */ mpi_powm( t1, a, skey->x, skey->p ); mpi_invm( t1, t1, skey->p ); |