- (dtucker) [entropy.c] Needs unistd.h too.

[openssh.git] / rsa.c

diff --git a/rsa.c b/rsa.c
index 113ee7fc42347977adc011b5610c790d466c825c..875b486c489f6804090849aa420f182d898f57aa 100644 (file)
--- a/rsa.c
+++ b/rsa.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: rsa.c,v 1.28 2006/08/03 03:34:42 deraadt Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -60,11 +61,14 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: rsa.c,v 1.23 2001/06/27 05:42:24 markus Exp $");
 
+#include <sys/types.h>
+
+#include <string.h>
+
+#include "xmalloc.h"
 #include "rsa.h"
 #include "log.h"
-#include "xmalloc.h"
 
 void
 rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key)
@@ -120,14 +124,17 @@ 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);