mirror of https://git.ffmpeg.org/ffmpeg.git
cosmetic
Originally committed as revision 7463 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
eade86e2f5
commit
d43a297579
|
@ -104,12 +104,12 @@ void av_aes_encrypt(AVAES *a){
|
||||||
}
|
}
|
||||||
|
|
||||||
// this is based on the reference AES code by Paulo Barreto and Vincent Rijmen
|
// this is based on the reference AES code by Paulo Barreto and Vincent Rijmen
|
||||||
AVAES *av_aes_init(uint8_t *key, int keyBits) {
|
AVAES *av_aes_init(uint8_t *key, int key_bits) {
|
||||||
AVAES *a;
|
AVAES *a;
|
||||||
int i, j, t, rconpointer = 0;
|
int i, j, t, rconpointer = 0;
|
||||||
uint8_t tk[8][4];
|
uint8_t tk[8][4];
|
||||||
int KC= keyBits/32;
|
int KC= key_bits/32;
|
||||||
int ROUNDS= KC + 6;
|
int rounds= KC + 6;
|
||||||
|
|
||||||
if(!sbox[255]){
|
if(!sbox[255]){
|
||||||
j=1;
|
j=1;
|
||||||
|
@ -131,16 +131,16 @@ AVAES *av_aes_init(uint8_t *key, int keyBits) {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if(keyBits!=128 && keyBits!=192 && keyBits!=256)
|
if(key_bits!=128 && key_bits!=192 && key_bits!=256)
|
||||||
return NULL;
|
return NULL;
|
||||||
|
|
||||||
a= av_malloc(sizeof(AVAES));
|
a= av_malloc(sizeof(AVAES));
|
||||||
a->rounds= ROUNDS;
|
a->rounds= rounds;
|
||||||
|
|
||||||
memcpy(tk, key, KC*4);
|
memcpy(tk, key, KC*4);
|
||||||
|
|
||||||
for(t= 0; t < (ROUNDS+1)*4; ) {
|
for(t= 0; t < (rounds+1)*4; ) {
|
||||||
for(j = 0; (j < KC) && (t < (ROUNDS+1)*4); j++, t++)
|
for(j = 0; (j < KC) && (t < (rounds+1)*4); j++, t++)
|
||||||
for(i = 0; i < 4; i++)
|
for(i = 0; i < 4; i++)
|
||||||
a->round_key[0][t][i] = tk[j][i];
|
a->round_key[0][t][i] = tk[j][i];
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue