1 files changed, 7 insertions, 4 deletions

diff --git a/rsa.c b/rsa.c
index 113ee7fc4..66561a421 100644
--- a/rsa.c
+++ b/rsa.c
@@ -60,7 +60,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: rsa.c,v 1.23 2001/06/27 05:42:24 markus Exp $");
+RCSID("$OpenBSD: rsa.c,v 1.24 2001/12/27 18:22:16 markus Exp $");
 
 #include "rsa.h"
 #include "log.h"
@@ -120,14 +120,17 @@ rsa_private_decrypt(BIGNUM *out, BIGNUM *in, RSA *key)
         return len;
 }
 
+/* calculate p-1 and q-1 */
 void
 rsa_generate_additional_parameters(RSA *rsa)
 {
         BIGNUM *aux;
         BN_CTX *ctx;
-        /* Generate additional parameters */
-        aux = BN_new();
-        ctx = BN_CTX_new();
+
+        if ((aux = BN_new()) == NULL)
+                fatal("rsa_generate_additional_parameters: BN_new failed");
+        if ((ctx = BN_CTX_new()) == NULL)
+                fatal("rsa_generate_additional_parameters: BN_CTX_new failed");
 
         BN_sub(aux, rsa->q, BN_value_one());
         BN_mod(rsa->dmq1, rsa->d, aux, ctx);