int AES_ExpandKey(BYTE key[], int keyLen) {
int kl = keyLen, ks, Rcon = 1, i, j;
BYTE temp[4], temp2[4];
switch (kl) {
case 16: ks = 16 * (10 + 1); break;
case 24: ks = 16 * (12 + 1); break;
case 32: ks = 16 * (14 + 1); break;
default:
printf("AES_ExpandKey: Only key lengths of 16, 24 or 32 bytes allowed!");
}/*AES的C实现*/
更详细参见:http://www.codedata.com.tw/social-coding/aes/
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