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Initialize "buf" to 0 to make valgrind happy :-)

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Note: the RAND_bytes() manual page says:
 RAND_bytes() puts num cryptographically strong pseudo-random bytes into buf.
It does not talk about using the previous contents of buf so we are working
as documented.
This commit is contained in:
Lutz Jänicke 2007-03-02 17:54:51 +00:00
parent c9fb4e2c8d
commit 1fcfa22222
1 changed files with 2 additions and 0 deletions
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2
crypto/rand/rand_lib.c
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@ -154,6 +154,7 @@ void RAND_add(const void *buf, int num, double entropy)
int RAND_bytes(unsigned char *buf, int num) int RAND_bytes(unsigned char *buf, int num)
{ {
const RAND_METHOD *meth = RAND_get_rand_method(); const RAND_METHOD *meth = RAND_get_rand_method();
memset(buf, 0, num);
if (meth && meth->bytes) if (meth && meth->bytes)
return meth->bytes(buf,num); return meth->bytes(buf,num);
return(-1); return(-1);
@ -162,6 +163,7 @@ int RAND_bytes(unsigned char *buf, int num)
int RAND_pseudo_bytes(unsigned char *buf, int num) int RAND_pseudo_bytes(unsigned char *buf, int num)
{ {
const RAND_METHOD *meth = RAND_get_rand_method(); const RAND_METHOD *meth = RAND_get_rand_method();
memset(buf, 0, num);
if (meth && meth->pseudorand) if (meth && meth->pseudorand)
return meth->pseudorand(buf,num); return meth->pseudorand(buf,num);
return(-1); return(-1);