diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2009-09-09 12:15:08 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2009-09-09 12:15:08 +0000 |
commit | 8c7168698ee338f202d23da9805981c57a8b3a33 (patch) | |
tree | 353ca521891c708587689dbda4832a5bcdc344ce /crypto/ecdsa | |
parent | b5ca7df5aa359875a5b4fe2868eceb93ba39994c (diff) |
Seed PRNG with DSA and ECDSA digests for additional protection against
possible PRNG state duplication.
Diffstat (limited to 'crypto/ecdsa')
-rw-r--r-- | crypto/ecdsa/ecs_sign.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/ecdsa/ecs_sign.c b/crypto/ecdsa/ecs_sign.c index 74b1fe8caf..353d5af514 100644 --- a/crypto/ecdsa/ecs_sign.c +++ b/crypto/ecdsa/ecs_sign.c @@ -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) { |