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aes_test.c
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aes_test.c
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/*********************************************************************
* Filename: aes_test.c
* Author: Brad Conte (brad AT bradconte.com)
* Copyright:
* Disclaimer: This code is presented "as is" without any guarantees.
* Details: Performs known-answer tests on the corresponding AES
implementation. These tests do not encompass the full
range of available test vectors and are not sufficient
for FIPS-140 certification. However, if the tests pass
it is very, very likely that the code is correct and was
compiled properly. This code also serves as
example usage of the functions.
*********************************************************************/
/*************************** HEADER FILES ***************************/
#include <stdio.h>
#include <memory.h>
#include "aes.h"
/*********************** FUNCTION DEFINITIONS ***********************/
void print_hex(BYTE str[], int len)
{
int idx;
for(idx = 0; idx < len; idx++)
printf("%02x", str[idx]);
}
int aes_ecb_test()
{
WORD key_schedule[60], idx;
BYTE enc_buf[128];
BYTE plaintext[2][16] = {
{0x6b,0xc1,0xbe,0xe2,0x2e,0x40,0x9f,0x96,0xe9,0x3d,0x7e,0x11,0x73,0x93,0x17,0x2a},
{0xae,0x2d,0x8a,0x57,0x1e,0x03,0xac,0x9c,0x9e,0xb7,0x6f,0xac,0x45,0xaf,0x8e,0x51}
};
BYTE ciphertext[2][16] = {
{0xf3,0xee,0xd1,0xbd,0xb5,0xd2,0xa0,0x3c,0x06,0x4b,0x5a,0x7e,0x3d,0xb1,0x81,0xf8},
{0x59,0x1c,0xcb,0x10,0xd4,0x10,0xed,0x26,0xdc,0x5b,0xa7,0x4a,0x31,0x36,0x28,0x70}
};
BYTE key[1][32] = {
{0x60,0x3d,0xeb,0x10,0x15,0xca,0x71,0xbe,0x2b,0x73,0xae,0xf0,0x85,0x7d,0x77,0x81,0x1f,0x35,0x2c,0x07,0x3b,0x61,0x08,0xd7,0x2d,0x98,0x10,0xa3,0x09,0x14,0xdf,0xf4}
};
int pass = 1;
// Raw ECB mode.
//printf("* ECB mode:\n");
aes_key_setup(key[0], key_schedule, 256);
//printf( "Key : ");
//print_hex(key[0], 32);
for(idx = 0; idx < 2; idx++) {
aes_encrypt(plaintext[idx], enc_buf, key_schedule, 256);
//printf("\nPlaintext : ");
//print_hex(plaintext[idx], 16);
//printf("\n-encrypted to: ");
//print_hex(enc_buf, 16);
pass = pass && !memcmp(enc_buf, ciphertext[idx], 16);
aes_decrypt(ciphertext[idx], enc_buf, key_schedule, 256);
//printf("\nCiphertext : ");
//print_hex(ciphertext[idx], 16);
//printf("\n-decrypted to: ");
//print_hex(enc_buf, 16);
pass = pass && !memcmp(enc_buf, plaintext[idx], 16);
//printf("\n\n");
}
return(pass);
}
int aes_cbc_test()
{
WORD key_schedule[60];
BYTE enc_buf[128];
BYTE plaintext[1][32] = {
{0x6b,0xc1,0xbe,0xe2,0x2e,0x40,0x9f,0x96,0xe9,0x3d,0x7e,0x11,0x73,0x93,0x17,0x2a,0xae,0x2d,0x8a,0x57,0x1e,0x03,0xac,0x9c,0x9e,0xb7,0x6f,0xac,0x45,0xaf,0x8e,0x51}
};
BYTE ciphertext[1][32] = {
{0xf5,0x8c,0x4c,0x04,0xd6,0xe5,0xf1,0xba,0x77,0x9e,0xab,0xfb,0x5f,0x7b,0xfb,0xd6,0x9c,0xfc,0x4e,0x96,0x7e,0xdb,0x80,0x8d,0x67,0x9f,0x77,0x7b,0xc6,0x70,0x2c,0x7d}
};
BYTE iv[1][16] = {
{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}
};
BYTE key[1][32] = {
{0x60,0x3d,0xeb,0x10,0x15,0xca,0x71,0xbe,0x2b,0x73,0xae,0xf0,0x85,0x7d,0x77,0x81,0x1f,0x35,0x2c,0x07,0x3b,0x61,0x08,0xd7,0x2d,0x98,0x10,0xa3,0x09,0x14,0xdf,0xf4}
};
int pass = 1;
//printf("* CBC mode:\n");
aes_key_setup(key[0], key_schedule, 256);
//printf( "Key : ");
//print_hex(key[0], 32);
//printf("\nIV : ");
//print_hex(iv[0], 16);
aes_encrypt_cbc(plaintext[0], 32, enc_buf, key_schedule, 256, iv[0]);
//printf("\nPlaintext : ");
//print_hex(plaintext[0], 32);
//printf("\n-encrypted to: ");
//print_hex(enc_buf, 32);
//printf("\nCiphertext : ");
//print_hex(ciphertext[0], 32);
pass = pass && !memcmp(enc_buf, ciphertext[0], 32);
aes_decrypt_cbc(ciphertext[0], 32, enc_buf, key_schedule, 256, iv[0]);
//printf("\nCiphertext : ");
//print_hex(ciphertext[0], 32);
//printf("\n-decrypted to: ");
//print_hex(enc_buf, 32);
//printf("\nPlaintext : ");
//print_hex(plaintext[0], 32);
pass = pass && !memcmp(enc_buf, plaintext[0], 32);
//printf("\n\n");
return(pass);
}
int aes_ctr_test()
{
WORD key_schedule[60];
BYTE enc_buf[128];
BYTE plaintext[1][32] = {
{0x6b,0xc1,0xbe,0xe2,0x2e,0x40,0x9f,0x96,0xe9,0x3d,0x7e,0x11,0x73,0x93,0x17,0x2a,0xae,0x2d,0x8a,0x57,0x1e,0x03,0xac,0x9c,0x9e,0xb7,0x6f,0xac,0x45,0xaf,0x8e,0x51}
};
BYTE ciphertext[1][32] = {
{0x60,0x1e,0xc3,0x13,0x77,0x57,0x89,0xa5,0xb7,0xa7,0xf5,0x04,0xbb,0xf3,0xd2,0x28,0xf4,0x43,0xe3,0xca,0x4d,0x62,0xb5,0x9a,0xca,0x84,0xe9,0x90,0xca,0xca,0xf5,0xc5}
};
BYTE iv[1][16] = {
{0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff},
};
BYTE key[1][32] = {
{0x60,0x3d,0xeb,0x10,0x15,0xca,0x71,0xbe,0x2b,0x73,0xae,0xf0,0x85,0x7d,0x77,0x81,0x1f,0x35,0x2c,0x07,0x3b,0x61,0x08,0xd7,0x2d,0x98,0x10,0xa3,0x09,0x14,0xdf,0xf4}
};
int pass = 1;
//printf("* CTR mode:\n");
aes_key_setup(key[0], key_schedule, 256);
//printf( "Key : ");
//print_hex(key[0], 32);
//printf("\nIV : ");
//print_hex(iv[0], 16);
aes_encrypt_ctr(plaintext[0], 32, enc_buf, key_schedule, 256, iv[0]);
//printf("\nPlaintext : ");
//print_hex(plaintext[0], 32);
//printf("\n-encrypted to: ");
//print_hex(enc_buf, 32);
pass = pass && !memcmp(enc_buf, ciphertext[0], 32);
aes_decrypt_ctr(ciphertext[0], 32, enc_buf, key_schedule, 256, iv[0]);
//printf("\nCiphertext : ");
//print_hex(ciphertext[0], 32);
//printf("\n-decrypted to: ");
//print_hex(enc_buf, 32);
pass = pass && !memcmp(enc_buf, plaintext[0], 32);
//printf("\n\n");
return(pass);
}
int aes_ccm_test()
{
int mac_auth;
WORD enc_buf_len;
BYTE enc_buf[128];
BYTE plaintext[3][32] = {
{0x20,0x21,0x22,0x23},
{0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f},
{0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37}
};
BYTE assoc[3][32] = {
{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07},
{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f},
{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13}
};
BYTE ciphertext[3][32 + 16] = {
{0x71,0x62,0x01,0x5b,0x4d,0xac,0x25,0x5d},
{0xd2,0xa1,0xf0,0xe0,0x51,0xea,0x5f,0x62,0x08,0x1a,0x77,0x92,0x07,0x3d,0x59,0x3d,0x1f,0xc6,0x4f,0xbf,0xac,0xcd},
{0xe3,0xb2,0x01,0xa9,0xf5,0xb7,0x1a,0x7a,0x9b,0x1c,0xea,0xec,0xcd,0x97,0xe7,0x0b,0x61,0x76,0xaa,0xd9,0xa4,0x42,0x8a,0xa5,0x48,0x43,0x92,0xfb,0xc1,0xb0,0x99,0x51}
};
BYTE iv[3][16] = {
{0x10,0x11,0x12,0x13,0x14,0x15,0x16},
{0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17},
{0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b}
};
BYTE key[1][32] = {
{0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f}
};
int pass = 1;
//printf("* CCM mode:\n");
//printf("Key : ");
//print_hex(key[0], 16);
//print_hex(plaintext[0], 4);
//print_hex(assoc[0], 8);
//print_hex(ciphertext[0], 8);
//print_hex(iv[0], 7);
//print_hex(key[0], 16);
aes_encrypt_ccm(plaintext[0], 4, assoc[0], 8, iv[0], 7, enc_buf, &enc_buf_len, 4, key[0], 128);
//printf("\nNONCE : ");
//print_hex(iv[0], 7);
//printf("\nAssoc. Data : ");
//print_hex(assoc[0], 8);
//printf("\nPayload : ");
//print_hex(plaintext[0], 4);
//printf("\n-encrypted to: ");
//print_hex(enc_buf, enc_buf_len);
pass = pass && !memcmp(enc_buf, ciphertext[0], enc_buf_len);
aes_decrypt_ccm(ciphertext[0], 8, assoc[0], 8, iv[0], 7, enc_buf, &enc_buf_len, 4, &mac_auth, key[0], 128);
//printf("\n-Ciphertext : ");
//print_hex(ciphertext[0], 8);
//printf("\n-decrypted to: ");
//print_hex(enc_buf, enc_buf_len);
//printf("\nAuthenticated: %d ", mac_auth);
pass = pass && !memcmp(enc_buf, plaintext[0], enc_buf_len) && mac_auth;
aes_encrypt_ccm(plaintext[1], 16, assoc[1], 16, iv[1], 8, enc_buf, &enc_buf_len, 6, key[0], 128);
//printf("\n\nNONCE : ");
//print_hex(iv[1], 8);
//printf("\nAssoc. Data : ");
//print_hex(assoc[1], 16);
//printf("\nPayload : ");
//print_hex(plaintext[1], 16);
//printf("\n-encrypted to: ");
//print_hex(enc_buf, enc_buf_len);
pass = pass && !memcmp(enc_buf, ciphertext[1], enc_buf_len);
aes_decrypt_ccm(ciphertext[1], 22, assoc[1], 16, iv[1], 8, enc_buf, &enc_buf_len, 6, &mac_auth, key[0], 128);
//printf("\n-Ciphertext : ");
//print_hex(ciphertext[1], 22);
//printf("\n-decrypted to: ");
//print_hex(enc_buf, enc_buf_len);
//printf("\nAuthenticated: %d ", mac_auth);
pass = pass && !memcmp(enc_buf, plaintext[1], enc_buf_len) && mac_auth;
aes_encrypt_ccm(plaintext[2], 24, assoc[2], 20, iv[2], 12, enc_buf, &enc_buf_len, 8, key[0], 128);
//printf("\n\nNONCE : ");
//print_hex(iv[2], 12);
//printf("\nAssoc. Data : ");
//print_hex(assoc[2], 20);
//printf("\nPayload : ");
//print_hex(plaintext[2], 24);
//printf("\n-encrypted to: ");
//print_hex(enc_buf, enc_buf_len);
pass = pass && !memcmp(enc_buf, ciphertext[2], enc_buf_len);
aes_decrypt_ccm(ciphertext[2], 32, assoc[2], 20, iv[2], 12, enc_buf, &enc_buf_len, 8, &mac_auth, key[0], 128);
//printf("\n-Ciphertext : ");
//print_hex(ciphertext[2], 32);
//printf("\n-decrypted to: ");
//print_hex(enc_buf, enc_buf_len);
//printf("\nAuthenticated: %d ", mac_auth);
pass = pass && !memcmp(enc_buf, plaintext[2], enc_buf_len) && mac_auth;
//printf("\n\n");
return(pass);
}
int aes_test()
{
int pass = 1;
pass = pass && aes_ecb_test();
pass = pass && aes_cbc_test();
pass = pass && aes_ctr_test();
pass = pass && aes_ccm_test();
return(pass);
}
int main(int argc, char *argv[])
{
printf("AES Tests: %s\n", aes_test() ? "SUCCEEDED" : "FAILED");
return(0);
}