ec/asm/x25519-x86_64.pl: add CFI directives and Windows SE handler.

[openssl.git] / crypto / ec / ecdh_kdf.c

diff --git a/crypto/ec/ecdh_kdf.c b/crypto/ec/ecdh_kdf.c
index 6cb0e11c22b8c74fbd2fbe81ceaa9a36315d00fc..d47486eb346da22a40d856aab8322deaee6997d4 100644 (file)
--- a/crypto/ec/ecdh_kdf.c
+++ b/crypto/ec/ecdh_kdf.c
@@ -34,7 +34,8 @@ int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
     mdlen = EVP_MD_size(md);
     for (i = 1;; i++) {
         unsigned char mtmp[EVP_MAX_MD_SIZE];
-        EVP_DigestInit_ex(mctx, md, NULL);
+        if (!EVP_DigestInit_ex(mctx, md, NULL))
+            goto err;
         ctr[3] = i & 0xFF;
         ctr[2] = (i >> 8) & 0xFF;
         ctr[1] = (i >> 16) & 0xFF;