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_key
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...