Merge commit 'd12b5b2f135aade4099f4b26b0fe678656158c13'

* commit 'd12b5b2f135aade4099f4b26b0fe678656158c13':
  build: Split test programs off into separate files

Some conversions done by: James Almer <jamrial@gmail.com>
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

1 files changed, 114 insertions, 0 deletions

diff --git a/libavutil/tea-test.c b/libavutil/tea-test.c
new file mode 100644
index 0000000000..07ec56139a
--- /dev/null
+++ b/libavutil/tea-test.c
@@ -0,0 +1,114 @@
+/*
+ * A 32-bit implementation of the TEA algorithm
+ * Copyright (c) 2015 Vesselin Bontchev
+ *
+ * Loosely based on the implementation of David Wheeler and Roger Needham,
+ * https://en.wikipedia.org/wiki/Tiny_Encryption_Algorithm#Reference_code
+ *
+ * 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 "tea.c"
+
+#include <stdio.h>
+
+#define TEA_NUM_TESTS 4
+
+// https://github.com/logandrews/TeaCrypt/blob/master/tea/tea_test.go
+static const uint8_t tea_test_key[TEA_NUM_TESTS][16] = {
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    },
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+    },
+    { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+      0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
+    },
+    { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+      0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
+    }
+};
+
+static const uint8_t tea_test_pt[TEA_NUM_TESTS][8] = {
+    { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+    { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 },
+    { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 },
+    { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF }
+};
+
+static const uint8_t tea_test_ct[TEA_NUM_TESTS][8] = {
+    { 0x41, 0xEA, 0x3A, 0x0A, 0x94, 0xBA, 0xA9, 0x40 },
+    { 0x6A, 0x2F, 0x9C, 0xF3, 0xFC, 0xCF, 0x3C, 0x55 },
+    { 0xDE, 0xB1, 0xC0, 0xA2, 0x7E, 0x74, 0x5D, 0xB3 },
+    { 0x12, 0x6C, 0x6B, 0x92, 0xC0, 0x65, 0x3A, 0x3E }
+};
+
+static void test_tea(AVTEA *ctx, uint8_t *dst, const uint8_t *src,
+                     const uint8_t *ref, int len, uint8_t *iv, int dir,
+                     const char *test)
+{
+    av_tea_crypt(ctx, dst, src, len, iv, dir);
+    if (memcmp(dst, ref, 8*len)) {
+        int i;
+        printf("%s failed\ngot      ", test);
+        for (i = 0; i < 8*len; i++)
+            printf("%02x ", dst[i]);
+        printf("\nexpected ");
+        for (i = 0; i < 8*len; i++)
+            printf("%02x ", ref[i]);
+        printf("\n");
+        exit(1);
+    }
+}
+
+int main(void)
+{
+    AVTEA *ctx;
+    uint8_t buf[8], iv[8];
+    int i;
+    static const uint8_t src[32] = "HelloWorldHelloWorldHelloWorld";
+    uint8_t ct[32];
+    uint8_t pl[32];
+
+    ctx = av_tea_alloc();
+    if (!ctx)
+        return 1;
+
+    for (i = 0; i < TEA_NUM_TESTS; i++) {
+        av_tea_init(ctx, tea_test_key[i], 64);
+
+        test_tea(ctx, buf, tea_test_pt[i], tea_test_ct[i], 1, NULL, 0, "encryption");
+        test_tea(ctx, buf, tea_test_ct[i], tea_test_pt[i], 1, NULL, 1, "decryption");
+
+        /* encrypt */
+        memcpy(iv, "HALLO123", 8);
+        av_tea_crypt(ctx, ct, src, 4, iv, 0);
+
+        /* decrypt into pl */
+        memcpy(iv, "HALLO123", 8);
+        test_tea(ctx, pl, ct, src, 4, iv, 1, "CBC decryption");
+
+        memcpy(iv, "HALLO123", 8);
+        test_tea(ctx, ct, ct, src, 4, iv, 1, "CBC inplace decryption");
+    }
+
+    printf("Test encryption/decryption success.\n");
+    av_free(ctx);
+
+    return 0;
+}