1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/libcrypto/ecdsa/ecs_sign.c b/src/lib/libcrypto/ecdsa/ecs_sign.c
index 74b1fe8caf..353d5af514 100644
--- a/src/lib/libcrypto/ecdsa/ecs_sign.c
+++ b/src/lib/libcrypto/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)
         {