1 files changed, 99 insertions, 0 deletions
diff --git a/libavutil/hmac-test.c b/libavutil/hmac-test.c
new file mode 100644
index 0000000000..925f3dfef6
--- /dev/null
+++ b/libavutil/hmac-test.c
@@ -0,0 +1,99 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "hmac.c"
+
+#include <stdio.h>
+#include <string.h>
+
+static void test(AVHMAC *hmac, const uint8_t *key, int keylen,
+                 const uint8_t *data, int datalen)
+{
+    uint8_t buf[MAX_HASHLEN];
+    int out, i;
+    // Some of the test vectors are strings, where sizeof() includes the
+    // trailing null byte - remove that.
+    if (!key[keylen - 1])
+        keylen--;
+    if (!data[datalen - 1])
+        datalen--;
+    out = av_hmac_calc(hmac, data, datalen, key, keylen, buf, sizeof(buf));
+    for (i = 0; i < out; i++)
+        printf("%02x", buf[i]);
+    printf("\n");
+}
+
+int main(void)
+{
+    uint8_t key1[20], key3[131], data3[50];
+    AVHMAC *hmac;
+    enum AVHMACType i;
+    static const uint8_t key2[]  = "Jefe";
+    static const uint8_t data1[] = "Hi There";
+    static const uint8_t data2[] = "what do ya want for nothing?";
+    static const uint8_t data4[] = "Test Using Larger Than Block-Size Key - Hash Key First";
+    static const uint8_t data5[] = "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data";
+    static const uint8_t data6[] = "This is a test using a larger than block-size key and a larger "
+                            "than block-size data. The key needs to be hashed before being used"
+                            " by the HMAC algorithm.";
+    memset(key1, 0x0b, sizeof(key1));
+    memset(key3, 0xaa, sizeof(key3));
+    memset(data3, 0xdd, sizeof(data3));
+
+    /* MD5, SHA-1 */
+    for (i = AV_HMAC_MD5; i <= AV_HMAC_SHA1; i++) {
+        hmac = av_hmac_alloc(i);
+        if (!hmac)
+            return 1;
+        // RFC 2202 test vectors
+        test(hmac, key1, hmac->hashlen, data1, sizeof(data1));
+        test(hmac, key2, sizeof(key2),  data2, sizeof(data2));
+        test(hmac, key3, hmac->hashlen, data3, sizeof(data3));
+        test(hmac, key3, 80,            data4, sizeof(data4));
+        test(hmac, key3, 80,            data5, sizeof(data5));
+        av_hmac_free(hmac);
+    }
+
+    /* SHA-2 */
+    for (i = AV_HMAC_SHA224; i <= AV_HMAC_SHA256; i++) {
+        hmac = av_hmac_alloc(i);
+        if (!hmac)
+            return 1;
+        // RFC 4231 test vectors
+        test(hmac, key1, sizeof(key1), data1, sizeof(data1));
+        test(hmac, key2, sizeof(key2), data2, sizeof(data2));
+        test(hmac, key3, 20,           data3, sizeof(data3));
+        test(hmac, key3, sizeof(key3), data4, sizeof(data4));
+        test(hmac, key3, sizeof(key3), data6, sizeof(data6));
+        av_hmac_free(hmac);
+    }
+
+    for (i = AV_HMAC_SHA384; i <= AV_HMAC_SHA512; i++) {
+        hmac = av_hmac_alloc(i);
+        if (!hmac)
+            return 1;
+        // RFC 4231 test vectors
+        test(hmac, key1, sizeof(key1), data1, sizeof(data1));
+        test(hmac, key2, sizeof(key2), data2, sizeof(data2));
+        test(hmac, key3, 20, data3, sizeof(data3));
+        test(hmac, key3, sizeof(key3), data4, sizeof(data4));
+        test(hmac, key3, sizeof(key3), data6, sizeof(data6));
+        av_hmac_free(hmac);
+    }
+    return 0;
+}