From d12b5b2f135aade4099f4b26b0fe678656158c13 Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Thu, 17 Mar 2016 19:13:17 +0100
Subject: build: Split test programs off into separate files

This avoids spurious library rebuilds when only the test program
code is changed and simplifies the build system.
---
 libavutil/des.c | 111 +-------------------------------------------------------
 1 file changed, 1 insertion(+), 110 deletions(-)

(limited to 'libavutil/des.c')

diff --git a/libavutil/des.c b/libavutil/des.c
index 7d9458c81f..1dbedd92cd 100644
--- a/libavutil/des.c
+++ b/libavutil/des.c
@@ -111,7 +111,7 @@ static const uint8_t S_boxes[8][32] = {
 #else
 /**
  * This table contains the results of applying both the S-box and P-shuffle.
- * It can be regenerated by compiling this file with -DCONFIG_SMALL -DTEST -DGENTABLES
+ * It can be regenerated by compiling des-test.c with "-DCONFIG_SMALL -DGENTABLES".
  */
 static const uint32_t S_boxes_P_shuffle[8][64] = {
     { 0x00808200, 0x00000000, 0x00008000, 0x00808202, 0x00808002, 0x00008202, 0x00000002, 0x00008000,
@@ -337,112 +337,3 @@ void av_des_mac(AVDES *d, uint8_t *dst, const uint8_t *src, int count)
 {
     av_des_crypt_mac(d, dst, src, count, (uint8_t[8]) { 0 }, 0, 1);
 }
-
-#ifdef TEST
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "time.h"
-
-static uint64_t rand64(void)
-{
-    uint64_t r = rand();
-    r = (r << 32) | rand();
-    return r;
-}
-
-static const uint8_t test_key[] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 };
-static const DECLARE_ALIGNED(8, uint8_t, plain)[] = { 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 };
-static const DECLARE_ALIGNED(8, uint8_t, crypt)[] = { 0x4a, 0xb6, 0x5b, 0x3d, 0x4b, 0x06, 0x15, 0x18 };
-static DECLARE_ALIGNED(8, uint8_t, tmp)[8];
-static DECLARE_ALIGNED(8, uint8_t, large_buffer)[10002][8];
-static const uint8_t cbc_key[] = {
-    0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
-    0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01,
-    0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23
-};
-
-static int run_test(int cbc, int decrypt)
-{
-    AVDES d;
-    int delay = cbc && !decrypt ? 2 : 1;
-    uint64_t res;
-    AV_WB64(large_buffer[0], 0x4e6f772069732074ULL);
-    AV_WB64(large_buffer[1], 0x1234567890abcdefULL);
-    AV_WB64(tmp,             0x1234567890abcdefULL);
-    av_des_init(&d, cbc_key, 192, decrypt);
-    av_des_crypt(&d, large_buffer[delay], large_buffer[0], 10000, cbc ? tmp : NULL, decrypt);
-    res = AV_RB64(large_buffer[9999 + delay]);
-    if (cbc) {
-        if (decrypt)
-            return res == 0xc5cecf63ecec514cULL;
-        else
-            return res == 0xcb191f85d1ed8439ULL;
-    } else {
-        if (decrypt)
-            return res == 0x8325397644091a0aULL;
-        else
-            return res == 0xdd17e8b8b437d232ULL;
-    }
-}
-
-int main(void)
-{
-    AVDES d;
-    int i;
-    uint64_t key[3];
-    uint64_t data;
-    uint64_t ct;
-    uint64_t roundkeys[16];
-    srand(av_gettime());
-    key[0] = AV_RB64(test_key);
-    data   = AV_RB64(plain);
-    gen_roundkeys(roundkeys, key[0]);
-    if (des_encdec(data, roundkeys, 0) != AV_RB64(crypt)) {
-        printf("Test 1 failed\n");
-        return 1;
-    }
-    av_des_init(&d, test_key, 64, 0);
-    av_des_crypt(&d, tmp, plain, 1, NULL, 0);
-    if (memcmp(tmp, crypt, sizeof(crypt))) {
-        printf("Public API decryption failed\n");
-        return 1;
-    }
-    if (!run_test(0, 0) || !run_test(0, 1) || !run_test(1, 0) || !run_test(1, 1)) {
-        printf("Partial Monte-Carlo test failed\n");
-        return 1;
-    }
-    for (i = 0; i < 1000; i++) {
-        key[0] = rand64();
-        key[1] = rand64();
-        key[2] = rand64();
-        data   = rand64();
-        av_des_init(&d, key, 192, 0);
-        av_des_crypt(&d, &ct, &data, 1, NULL, 0);
-        av_des_init(&d, key, 192, 1);
-        av_des_crypt(&d, &ct, &ct, 1, NULL, 1);
-        if (ct != data) {
-            printf("Test 2 failed\n");
-            return 1;
-        }
-    }
-#ifdef GENTABLES
-    printf("static const uint32_t S_boxes_P_shuffle[8][64] = {\n");
-    for (i = 0; i < 8; i++) {
-        int j;
-        printf("    {");
-        for (j = 0; j < 64; j++) {
-            uint32_t v = S_boxes[i][j >> 1];
-            v   = j & 1 ? v >> 4 : v & 0xf;
-            v <<= 28 - 4 * i;
-            v   = shuffle(v, P_shuffle, sizeof(P_shuffle));
-            printf((j & 7) == 0 ? "\n    " : " ");
-            printf("0x%08X,", v);
-        }
-        printf("\n    },\n");
-    }
-    printf("};\n");
-#endif
-    return 0;
-}
-#endif
-- 
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