/** * \file * \author Egor Tensin * \date 2015 * \copyright This file is licensed under the terms of the MIT License. * See LICENSE.txt for details. */ #include #include int main() { AesBlock128 plain, cipher, decrypted; AesBlock256 key; Aes256KeySchedule key_schedule, inverted_schedule; plain = make_aes_block128(0xffeeddcc, 0xbbaa9988, 0x77665544, 0x33221100); key = make_aes_block256(0x1f1e1d1c, 0x1b1a1918, 0x17161514, 0x13121110, 0x0f0e0d0c, 0x0b0a0908, 0x07060504, 0x03020100); printf("Plain: %s\n", format_aes_block128(&plain).str); print_aes_block128_as_matrix(&plain); printf("\n"); printf("Key: %s\n", format_aes_block256(&key).str); print_aes_block256_as_matrix(&key); aes256_expand_key_schedule(&key, &key_schedule); printf("\n"); printf("Key schedule:\n"); for (int i = 0; i < 15; ++i) printf("\t[%d]: %s\n", i, format_aes_block128(&key_schedule.keys[i]).str); cipher = aes256ecb_encrypt(plain, &key_schedule); printf("\n"); printf("Cipher: %s\n", format_aes_block128(&cipher).str); print_aes_block128_as_matrix(&cipher); aes256_invert_key_schedule(&key_schedule, &inverted_schedule); printf("\n"); printf("Inverted key schedule:\n"); for (int i = 0; i < 15; ++i) printf("\t[%d]: %s\n", i, format_aes_block128(&inverted_schedule.keys[i]).str); decrypted = aes256ecb_decrypt(cipher, &inverted_schedule); printf("\n"); printf("Decrypted: %s\n", format_aes_block128(&decrypted).str); print_aes_block128_as_matrix(&decrypted); return 0; }