1 files changed, 16 insertions, 0 deletions
diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
index dd74ea8855f4..dec3286f66d9 100644
--- a/crypto/cryptlib.c
+++ b/crypto/cryptlib.c
@@ -542,3 +542,19 @@ void OpenSSLDie(const char *file,int line,const char *assertion)
 	}
 
 void *OPENSSL_stderr(void)	{ return stderr; }
+
+#ifndef OPENSSL_FIPS
+
+int CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len)
+	{
+	size_t i;
+	const unsigned char *a = in_a;
+	const unsigned char *b = in_b;
+	unsigned char x = 0;
+
+	for (i = 0; i < len; i++)
+		x |= a[i] ^ b[i];
+
+	return x;
+	}
+#endif