#if defined(USE_MD5_RAND)
#define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH
#define MD_Init(a) EVP_DigestInit(a,EVP_md5())
-#define MD(a,b,c) EVP_Digest(a,b,c,EVP_md5())
+#define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md5())
#elif defined(USE_SHA1_RAND)
#define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH
#define MD_Init(a) EVP_DigestInit(a,EVP_sha1())
-#define MD(a,b,c) EVP_Digest(a,b,c,EVP_sha1())
+#define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_sha1())
#elif defined(USE_MDC2_RAND)
#define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH
#define MD_Init(a) EVP_DigestInit(a,EVP_mdc2())
-#define MD(a,b,c) EVP_Digest(a,b,c,EVP_mdc2())
+#define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_mdc2())
#elif defined(USE_MD2_RAND)
#define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH
#define MD_Init(a) EVP_DigestInit(a,EVP_md2())
-#define MD(a,b,c) EVP_Digest(a,b,c,EVP_md2())
+#define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md2())
#endif