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Seed PRNG with DSA and ECDSA digests for additional protection against

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possible PRNG state duplication.
This commit is contained in:
Dr. Stephen Henson 2009-09-09 12:15:08 +00:00
parent b5ca7df5aa
commit 8c7168698e
2 changed files with 4 additions and 0 deletions
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2
crypto/dsa/dsa_sign.c
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@ -60,6 +60,7 @@
#include "cryptlib.h"
#include <openssl/dsa.h>
#include <openssl/rand.h>
DSA_SIG * DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
{
@ -70,6 +71,7 @@ int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig,
unsigned int *siglen, DSA *dsa)
{
DSA_SIG *s;
RAND_seed(dgst, dlen);
s=DSA_do_sign(dgst,dlen,dsa);
if (s == NULL)
{

2
crypto/ecdsa/ecs_sign.c
View File

@ -57,6 +57,7 @@
#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif
#include <openssl/rand.h>
ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
{
@ -83,6 +84,7 @@ int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char
EC_KEY *eckey)
{
ECDSA_SIG *s;
RAND_seed(dgst, dlen);
s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
if (s == NULL)
{