AES - Advanced Encryption Standard

AES - AES-128, AES-192, and AES-256 encryption/decryption functions with support of all NIST SP800-38A cipher modes, i.e., ECB, CBC, OFB, CFB, and CTR.
Files:
 High level functions:
   aesinit - Generate structure with s-boxes, expanded key, etc.
   aes - Encrypt/decrypt array of bytes by AES.
   aesinfo - Display info about AES setting in AES structure.
 Low level 4x4 block functions:
   aesdecrypt - Decrypt 16-bytes vector.
   aesencrypt - Encrypt 16-bytes vector.
 Test functions:
   aestest - AES test script.
   AES_GET_COUNTER - Generates counter for aes.m - an example.