search for: e_key

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2001 Sep 12
0
AES update..
...\ - (y) = u ^ v ^ w; \ - (y) ^= rotr(u ^ t, 8) ^ \ - rotr(v ^ t, 16) ^ \ - rotr(t,24) - -/* initialise the key schedule from the user supplied key */ - -#define loop4(i) \ -{ t = ls_box(rotr(t, 8)) ^ rco_tab[i]; \ - t ^= e_key[4 * i]; e_key[4 * i + 4] = t; \ - t ^= e_key[4 * i + 1]; e_key[4 * i + 5] = t; \ - t ^= e_key[4 * i + 2]; e_key[4 * i + 6] = t; \ - t ^= e_key[4 * i + 3]; e_key[4 * i + 7] = t; \ +/** + * Expand the cipher key into the decryption key schedule. + * + * @return the number of...