+#ifndef CONFIG_FIPS
+
+int hmac_md5_vector(const u8 *key, size_t key_len, size_t num_elem,
+ const u8 *addr[], const size_t *len, u8 *mac)
+{
+ HMAC_CTX ctx;
+ size_t i;
+ unsigned int mdlen;
+ int res;
+
+ HMAC_CTX_init(&ctx);
+#if OPENSSL_VERSION_NUMBER < 0x00909000
+ HMAC_Init_ex(&ctx, key, key_len, EVP_md5(), NULL);
+#else /* openssl < 0.9.9 */
+ if (HMAC_Init_ex(&ctx, key, key_len, EVP_md5(), NULL) != 1)
+ return -1;
+#endif /* openssl < 0.9.9 */
+
+ for (i = 0; i < num_elem; i++)
+ HMAC_Update(&ctx, addr[i], len[i]);
+
+ mdlen = 16;
+#if OPENSSL_VERSION_NUMBER < 0x00909000
+ HMAC_Final(&ctx, mac, &mdlen);
+ res = 1;
+#else /* openssl < 0.9.9 */
+ res = HMAC_Final(&ctx, mac, &mdlen);
+#endif /* openssl < 0.9.9 */
+ HMAC_CTX_cleanup(&ctx);
+
+ return res == 1 ? 0 : -1;
+}
+
+
+int hmac_md5(const u8 *key, size_t key_len, const u8 *data, size_t data_len,
+ u8 *mac)
+{
+ return hmac_md5_vector(key, key_len, 1, &data, &data_len, mac);
+}
+
+#endif /* CONFIG_FIPS */
+
+