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Diffstat (limited to 'libtomcrypt/src/prngs/rc4.c')
-rw-r--r--libtomcrypt/src/prngs/rc4.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/libtomcrypt/src/prngs/rc4.c b/libtomcrypt/src/prngs/rc4.c
index 4d29d9a..cf118ad 100644
--- a/libtomcrypt/src/prngs/rc4.c
+++ b/libtomcrypt/src/prngs/rc4.c
@@ -6,7 +6,7 @@
* The library is free for all purposes without any express
* guarantee it works.
*
- * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
*/
#include "tomcrypt.h"
@@ -130,6 +130,10 @@ unsigned long rc4_read(unsigned char *out, unsigned long outlen, prng_state *prn
LTC_ARGCHK(out != NULL);
LTC_ARGCHK(prng != NULL);
+#ifdef LTC_VALGRIND
+ zeromem(out, outlen);
+#endif
+
n = outlen;
x = prng->rc4.x;
y = prng->rc4.y;
@@ -171,6 +175,7 @@ int rc4_export(unsigned char *out, unsigned long *outlen, prng_state *prng)
LTC_ARGCHK(prng != NULL);
if (*outlen < 32) {
+ *outlen = 32;
return CRYPT_BUFFER_OVERFLOW;
}
@@ -211,7 +216,7 @@ int rc4_import(const unsigned char *in, unsigned long inlen, prng_state *prng)
*/
int rc4_test(void)
{
-#ifndef LTC_TEST
+#if !defined(LTC_TEST) || defined(LTC_VALGRIND)
return CRYPT_NOP;
#else
static const struct {
@@ -242,7 +247,7 @@ int rc4_test(void)
return CRYPT_ERROR_READPRNG;
}
rc4_done(&prng);
- if (memcmp(dst, tests[x].ct, 8)) {
+ if (XMEMCMP(dst, tests[x].ct, 8)) {
#if 0
int y;
printf("\n\nRC4 failed, I got:\n");
@@ -260,5 +265,5 @@ int rc4_test(void)
/* $Source: /cvs/libtom/libtomcrypt/src/prngs/rc4.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:59 $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2006/11/16 00:32:18 $ */