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bn2binpad: Use memset as the buffer will be used later
[openssl.git]
/
crypto
/
bn
/
bn_lib.c
diff --git
a/crypto/bn/bn_lib.c
b/crypto/bn/bn_lib.c
index 28a3e91679d78ec4df9cb9035132846e39e80e90..d37b89c2a6e64cdb41897f0a7c577c3a5591ec44 100644
(file)
--- a/
crypto/bn/bn_lib.c
+++ b/
crypto/bn/bn_lib.c
@@
-505,7
+505,8
@@
int bn2binpad(const BIGNUM *a, unsigned char *to, int tolen, endianess_t endiane
/* Swipe through whole available data and don't give away padded zero. */
atop = a->dmax * BN_BYTES;
if (atop == 0) {
- OPENSSL_cleanse(to, tolen);
+ if (tolen != 0)
+ memset(to, '\0', tolen);
return tolen;
}