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-rw-r--r--cipher/elgamal.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/cipher/elgamal.c b/cipher/elgamal.c
index 90d5aca18..9d9058f97 100644
--- a/cipher/elgamal.c
+++ b/cipher/elgamal.c
@@ -245,11 +245,16 @@ encrypt(MPI a, MPI b, MPI input, ELG_public_key *pkey )
{
MPI k;
+ /* Note: maybe we should change the interface, so that it
+ * is possible to check that input is < p and return an
+ * error code.
+ */
+
k = gen_k( pkey->p );
mpi_powm( a, pkey->g, k, pkey->p );
/* b = (y^k * input) mod p
* = ((y^k mod p) * (input mod p)) mod p
- * and because input is < p (FIXME: check this!)
+ * and because input is < p
* = ((y^k mod p) * input) mod p
*/
mpi_powm( b, pkey->y, k, pkey->p );