};
#undef T
-#if defined(CONFIG_SMALL) || defined(GENTABLES)
+#if CONFIG_SMALL || defined(GENTABLES)
#define T(a, b, c, d) 32-a,32-b,32-c,32-d
static const uint8_t P_shuffle[] = {
T(16, 7, 20, 21),
return 0;
}
-void av_des_crypt(AVDES *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt) {
- uint64_t iv_val = iv ? av_be2ne64(*(uint64_t *)iv) : 0;
+static void av_des_crypt_mac(AVDES *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt, int mac) {
+ uint64_t iv_val = iv ? AV_RB64(iv) : 0;
while (count-- > 0) {
uint64_t dst_val;
- uint64_t src_val = src ? av_be2ne64(*(const uint64_t *)src) : 0;
+ uint64_t src_val = src ? AV_RB64(src) : 0;
if (decrypt) {
uint64_t tmp = src_val;
if (d->triple_des) {
}
iv_val = iv ? dst_val : 0;
}
- *(uint64_t *)dst = av_be2ne64(dst_val);
+ AV_WB64(dst, dst_val);
src += 8;
- dst += 8;
+ if (!mac)
+ dst += 8;
}
if (iv)
- *(uint64_t *)iv = av_be2ne64(iv_val);
+ AV_WB64(iv, iv_val);
+}
+
+void av_des_crypt(AVDES *d, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt) {
+ av_des_crypt_mac(d, dst, src, count, iv, decrypt, 0);
+}
+
+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
#undef srand
#include <stdlib.h>
#include <stdio.h>
-#include <sys/time.h>
+#include "libavutil/time.h"
static uint64_t rand64(void) {
uint64_t r = rand();
r = (r << 32) | rand();
#ifdef GENTABLES
int j;
#endif
- struct timeval tv;
uint64_t key[3];
uint64_t data;
uint64_t ct;
uint64_t roundkeys[16];
- gettimeofday(&tv, NULL);
- srand(tv.tv_sec * 1000 * 1000 + tv.tv_usec);
+ srand(av_gettime());
key[0] = AV_RB64(test_key);
data = AV_RB64(plain);
gen_roundkeys(roundkeys, key[0]);