Switch for turning on the predictable "random" number generator. (e64dceab) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP OpenSSL

crypto/rand/md_rand.c

+19 −6

Original line number	Diff line number	Diff line
		@@ -130,6 +130,10 @@

		#include <openssl/rand.h>

		#ifdef BN_DEBUG
		# define PREDICT
		#endif

		/* #define NORAND 1 */
		/* #define PREDICT 1 */

		@@ -141,6 +145,10 @@ static long md_count[2]={0,0};
		static double entropy=0;
		static int initialized=0;

		#ifdef PREDICT
		int rand_predictable=0;
		#endif

		const char *RAND_version="RAND" OPENSSL_VERSION_PTEXT;

		static void ssleay_rand_cleanup(void);
		@@ -306,6 +314,10 @@ static void ssleay_rand_initialize(void)
		FILE *fh;
		#endif

		#ifdef NORAND
		return;
		#endif

		CRYPTO_w_unlock(CRYPTO_LOCK_RAND);
		/* put in some default random data, we need more than just this */
		#ifndef GETPID_IS_MEANINGLESS
		@@ -354,6 +366,7 @@ static int ssleay_rand_bytes(unsigned char *buf, int num)
		#endif

		#ifdef PREDICT
		if (rand_predictable)
		{
		static unsigned char val=0;

+1 −1

File changed.

Contains only whitespace changes.