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Hello Lutz,
why not...
Lutz Jaenicke wrote:
> patch -p0 <<'@@ .'
> Index: openssl/crypto/rand/rand_lib.c
> ============================================================================
> $ cvs diff -u -r1.16 -r1.17 rand_lib.c
> --- openssl/crypto/rand/rand_lib.c 30 Jan 2003 17:39:23 -0000 1.16
> +++ openssl/crypto/rand/rand_lib.c 2 Mar 2007 17:54:51 -0000 1.17
> @@ -154,6 +154,7 @@
> int RAND_bytes(unsigned char *buf, int num)
> {
> const RAND_METHOD *meth = RAND_get_rand_method();
> if (meth && meth->bytes)
> return meth->bytes(buf,num);
+ memset(buf, 0, num);
> return(-1);
> @@ -162,6 +163,7 @@
> int RAND_pseudo_bytes(unsigned char *buf, int num)
> {
> const RAND_METHOD *meth = RAND_get_rand_method();
> if (meth && meth->pseudorand)
> return meth->pseudorand(buf,num);
+ memset(buf, 0, num);
> return(-1);
This way memset() will only be called in error case.
In the normal case the (not needed) memset will
not waste processor cycles...
This is a workaround for people that use debuging tools
that generate results they can't understand.
Bye
Goetz
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