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#include <stdio.h>
#include <memory.h>
#include "rijndael.h"
//
// Public Definitions
//
/* moved to rijndael.h */
//
// Internal Definitions
//
/*
* Encryption Rounds
*/
int g_aes_key_bits[] = {
/* AES_CYPHER_128 */ 128,
/* AES_CYPHER_192 */ 192,
/* AES_CYPHER_256 */ 256,
};
int g_aes_rounds[] = {
/* AES_CYPHER_128 */ 10,
/* AES_CYPHER_192 */ 12,
/* AES_CYPHER_256 */ 14,
};
int g_aes_nk[] = {
/* AES_CYPHER_128 */ 4,
/* AES_CYPHER_192 */ 6,
/* AES_CYPHER_256 */ 8,
};
int g_aes_nb[] = {
/* AES_CYPHER_128 */ 4,
/* AES_CYPHER_192 */ 4,
/* AES_CYPHER_256 */ 4,
};
/*
* aes Rcon:
*
* WARNING: Rcon is designed starting from 1 to 15, not 0 to 14.
* FIPS-197 Page 9: "note that i starts at 1, not 0"
*
* i | 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
* -----+------------------------------------------------------------------------------------------
* | [01] [02] [04] [08] [10] [20] [40] [80] [1b] [36] [6c] [d8] [ab] [4d] [9a]
* RCON | [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00]
* | [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00]
* | [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00] [00]
*/
static const uint32_t g_aes_rcon[] = {
0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000, 0x20000000, 0x40000000, 0x80000000,
0x1b000000, 0x36000000, 0x6c000000, 0xd8000000, 0xab000000, 0xed000000, 0x9a000000
};
/* aes sbox and invert-sbox */
static const uint8_t g_aes_sbox[256] = {
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
};
static const uint8_t g_inv_sbox[256] = {
/* 0 1 2 3 4 5 6 7 8 9 A B C D E F */
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
};
uint8_t aes_sub_sbox(uint8_t val)
{
return g_aes_sbox[val];
}
uint32_t aes_sub_dword(uint32_t val)
{
uint32_t tmp = 0;
tmp |= ((uint32_t)aes_sub_sbox((uint8_t)((val >> 0) & 0xFF))) << 0;
tmp |= ((uint32_t)aes_sub_sbox((uint8_t)((val >> 8) & 0xFF))) << 8;
tmp |= ((uint32_t)aes_sub_sbox((uint8_t)((val >> 16) & 0xFF))) << 16;
tmp |= ((uint32_t)aes_sub_sbox((uint8_t)((val >> 24) & 0xFF))) << 24;
return tmp;
}
uint32_t aes_rot_dword(uint32_t val)
{
uint32_t tmp = val;
return (val >> 8) | ((tmp & 0xFF) << 24);
}
uint32_t aes_swap_dword(uint32_t val)
{
return (((val & 0x000000FF) << 24) |
((val & 0x0000FF00) << 8) |
((val & 0x00FF0000) >> 8) |
((val & 0xFF000000) >> 24) );
}
/*
* nr: number of rounds
* nb: number of columns comprising the state, nb = 4 dwords (16 bytes)
* nk: number of 32-bit words comprising cipher key, nk = 4, 6, 8 (KeyLength/(4*8))
*/
void aes_key_expansion(AES_CYPHER_T mode, uint8_t *key, uint8_t *round)
{
uint32_t *w = (uint32_t *)round;
uint32_t t;
int i = 0;
printf("Key Expansion:\n");
do {
w[i] = *((uint32_t *)&key[i * 4 + 0]);
printf(" %2.2d: rs: %8.8x\n", i, aes_swap_dword(w[i]));
} while (++i < g_aes_nk[mode]);
do {
printf(" %2.2d: ", i);
if ((i % g_aes_nk[mode]) == 0) {
t = aes_rot_dword(w[i - 1]);
printf(" rot: %8.8x", aes_swap_dword(t));
t = aes_sub_dword(t);
printf(" sub: %8.8x", aes_swap_dword(t));
printf(" rcon: %8.8x", g_aes_rcon[i/g_aes_nk[mode] - 1]);
t = t ^ aes_swap_dword(g_aes_rcon[i/g_aes_nk[mode] - 1]);
printf(" xor: %8.8x", t);
} else if (g_aes_nk[mode] > 6 && (i % g_aes_nk[mode]) == 4) {
t = aes_sub_dword(w[i - 1]);
printf(" sub: %8.8x", aes_swap_dword(t));
} else {
t = w[i - 1];
printf(" equ: %8.8x", aes_swap_dword(t));
}
w[i] = w[i - g_aes_nk[mode]] ^ t;
printf(" rs: %8.8x\n", aes_swap_dword(w[i]));
} while (++i < g_aes_nb[mode] * (g_aes_rounds[mode] + 1));
/* key can be discarded (or zeroed) from memory */
}
void aes_add_round_key(AES_CYPHER_T mode, uint8_t *state,
uint8_t *round, int nr)
{
uint32_t *w = (uint32_t *)round;
uint32_t *s = (uint32_t *)state;
int i;
for (i = 0; i < g_aes_nb[mode]; i++) {
s[i] ^= w[nr * g_aes_nb[mode] + i];
}
}
void aes_sub_bytes(AES_CYPHER_T mode, uint8_t *state)
{
int i, j;
for (i = 0; i < g_aes_nb[mode]; i++) {
for (j = 0; j < 4; j++) {
state[i * 4 + j] = aes_sub_sbox(state[i * 4 + j]);
}
}
}
void aes_shift_rows(AES_CYPHER_T mode, uint8_t *state)
{
uint8_t *s = (uint8_t *)state;
int i, j, r;
for (i = 1; i < g_aes_nb[mode]; i++) {
for (j = 0; j < i; j++) {
uint8_t tmp = s[i];
for (r = 0; r < g_aes_nb[mode]; r++) {
s[i + r * 4] = s[i + (r + 1) * 4];
}
s[i + (g_aes_nb[mode] - 1) * 4] = tmp;
}
}
}
uint8_t aes_xtime(uint8_t x)
{
return ((x << 1) ^ (((x >> 7) & 1) * 0x1b));
}
uint8_t aes_xtimes(uint8_t x, int ts)
{
while (ts-- > 0) {
x = aes_xtime(x);
}
return x;
}
uint8_t aes_mul(uint8_t x, uint8_t y)
{
/*
* encrypt: y has only 2 bits: can be 1, 2 or 3
* decrypt: y could be any value of 9, b, d, or e
*/
return ((((y >> 0) & 1) * aes_xtimes(x, 0)) ^
(((y >> 1) & 1) * aes_xtimes(x, 1)) ^
(((y >> 2) & 1) * aes_xtimes(x, 2)) ^
(((y >> 3) & 1) * aes_xtimes(x, 3)) ^
(((y >> 4) & 1) * aes_xtimes(x, 4)) ^
(((y >> 5) & 1) * aes_xtimes(x, 5)) ^
(((y >> 6) & 1) * aes_xtimes(x, 6)) ^
(((y >> 7) & 1) * aes_xtimes(x, 7)) );
}
void aes_mix_columns(AES_CYPHER_T mode, uint8_t *state)
{
uint8_t y[16] = { 2, 3, 1, 1, 1, 2, 3, 1, 1, 1, 2, 3, 3, 1, 1, 2};
uint8_t s[4];
int i, j, r;
for (i = 0; i < g_aes_nb[mode]; i++) {
for (r = 0; r < 4; r++) {
s[r] = 0;
for (j = 0; j < 4; j++) {
s[r] = s[r] ^ aes_mul(state[i * 4 + j], y[r * 4 + j]);
}
}
for (r = 0; r < 4; r++) {
state[i * 4 + r] = s[r];
}
}
}
void aes_dump(char *msg, uint8_t *data, int len)
{
int i;
printf("%8.8s: ", msg);
for (i = 0; i < len; i++) {
printf(" %2.2x", data[i]);
}
printf("\n");
}
int aes_encrypt(AES_CYPHER_T mode, uint8_t *data, int len, uint8_t *key)
{
uint8_t w[4 * 4 * 15] = {0}; /* round key */
uint8_t s[4 * 4] = {0}; /* state */
int nr, i, j;
/* key expansion */
aes_key_expansion(mode, key, w);
/* start data cypher loop over input buffer */
for (i = 0; i < len; i += 4 * g_aes_nb[mode]) {
printf("Encrypting block at %u ...\n", i);
/* init state from user buffer (plaintext) */
for (j = 0; j < 4 * g_aes_nb[mode]; j++)
s[j] = data[i + j];
/* start AES cypher loop over all AES rounds */
for (nr = 0; nr <= g_aes_rounds[mode]; nr++) {
printf(" Round %d:\n", nr);
aes_dump("input", s, 4 * g_aes_nb[mode]);
if (nr > 0) {
/* do SubBytes */
aes_sub_bytes(mode, s);
aes_dump(" sub", s, 4 * g_aes_nb[mode]);
/* do ShiftRows */
aes_shift_rows(mode, s);
aes_dump(" shift", s, 4 * g_aes_nb[mode]);
if (nr < g_aes_rounds[mode]) {
/* do MixColumns */
aes_mix_columns(mode, s);
aes_dump(" mix", s, 4 * g_aes_nb[mode]);
}
}
/* do AddRoundKey */
aes_add_round_key(mode, s, w, nr);
aes_dump(" round", &w[nr * 4 * g_aes_nb[mode]], 4 * g_aes_nb[mode]);
aes_dump(" state", s, 4 * g_aes_nb[mode]);
}
/* save state (cypher) to user buffer */
for (j = 0; j < 4 * g_aes_nb[mode]; j++)
data[i + j] = s[j];
printf("Output:\n");
aes_dump("cypher", &data[i], 4 * g_aes_nb[mode]);
}
return 0;
}
int aes_encrypt_ecb(AES_CYPHER_T mode, uint8_t *data, int len, uint8_t *key)
{
return aes_encrypt(mode, data, len, key);
}
int aes_encrypt_cbc(AES_CYPHER_T mode, uint8_t *data, int len, uint8_t *key, uint8_t *iv)
{
uint8_t w[4 * 4 * 15] = {0}; /* round key */
uint8_t s[4 * 4] = {0}; /* state */
uint8_t v[4 * 4] = {0}; /* iv */
int nr, i, j;
/* key expansion */
aes_key_expansion(mode, key, w);
memcpy(v, iv, sizeof(v));
/* start data cypher loop over input buffer */
for (i = 0; i < len; i += 4 * g_aes_nb[mode]) {
/* init state from user buffer (plaintext) */
for (j = 0; j < 4 * g_aes_nb[mode]; j++)
s[j] = data[i + j] ^ v[j];
/* start AES cypher loop over all AES rounds */
for (nr = 0; nr <= g_aes_rounds[mode]; nr++) {
aes_dump("input", s, 4 * g_aes_nb[mode]);
if (nr > 0) {
/* do SubBytes */
aes_sub_bytes(mode, s);
aes_dump(" sub", s, 4 * g_aes_nb[mode]);
/* do ShiftRows */
aes_shift_rows(mode, s);
aes_dump(" shift", s, 4 * g_aes_nb[mode]);
if (nr < g_aes_rounds[mode]) {
/* do MixColumns */
aes_mix_columns(mode, s);
aes_dump(" mix", s, 4 * g_aes_nb[mode]);
}
}
/* do AddRoundKey */
aes_add_round_key(mode, s, w, nr);
aes_dump(" round", &w[nr * 4 * g_aes_nb[mode]], 4 * g_aes_nb[mode]);
aes_dump(" state", s, 4 * g_aes_nb[mode]);
}
/* save state (cypher) to user buffer */
for (j = 0; j < 4 * g_aes_nb[mode]; j++)
data[i + j] = v[j] = s[j];
}
return 0;
}
void inv_shift_rows(AES_CYPHER_T mode, uint8_t *state)
{
uint8_t *s = (uint8_t *)state;
int i, j, r;
for (i = 1; i < g_aes_nb[mode]; i++) {
for (j = 0; j < g_aes_nb[mode] - i; j++) {
uint8_t tmp = s[i];
for (r = 0; r < g_aes_nb[mode]; r++) {
s[i + r * 4] = s[i + (r + 1) * 4];
}
s[i + (g_aes_nb[mode] - 1) * 4] = tmp;
}
}
}
uint8_t inv_sub_sbox(uint8_t val)
{
return g_inv_sbox[val];
}
void inv_sub_bytes(AES_CYPHER_T mode, uint8_t *state)
{
int i, j;
for (i = 0; i < g_aes_nb[mode]; i++) {
for (j = 0; j < 4; j++) {
state[i * 4 + j] = inv_sub_sbox(state[i * 4 + j]);
}
}
}
void inv_mix_columns(AES_CYPHER_T mode, uint8_t *state)
{
uint8_t y[16] = { 0x0e, 0x0b, 0x0d, 0x09, 0x09, 0x0e, 0x0b, 0x0d,
0x0d, 0x09, 0x0e, 0x0b, 0x0b, 0x0d, 0x09, 0x0e};
uint8_t s[4];
int i, j, r;
for (i = 0; i < g_aes_nb[mode]; i++) {
for (r = 0; r < 4; r++) {
s[r] = 0;
for (j = 0; j < 4; j++) {
s[r] = s[r] ^ aes_mul(state[i * 4 + j], y[r * 4 + j]);
}
}
for (r = 0; r < 4; r++) {
state[i * 4 + r] = s[r];
}
}
}
int aes_decrypt(AES_CYPHER_T mode, uint8_t *data, int len, uint8_t *key)
{
uint8_t w[4 * 4 * 15] = {0}; /* round key */
uint8_t s[4 * 4] = {0}; /* state */
int nr, i, j;
/* key expansion */
aes_key_expansion(mode, key, w);
/* start data cypher loop over input buffer */
for (i = 0; i < len; i += 4 * g_aes_nb[mode]) {
printf("Decrypting block at %u ...\n", i);
/* init state from user buffer (cyphertext) */
for (j = 0; j < 4 * g_aes_nb[mode]; j++)
s[j] = data[i + j];
/* start AES cypher loop over all AES rounds */
for (nr = g_aes_rounds[mode]; nr >= 0; nr--) {
printf(" Round %d:\n", nr);
aes_dump("input", s, 4 * g_aes_nb[mode]);
/* do AddRoundKey */
aes_add_round_key(mode, s, w, nr);
aes_dump(" round", &w[nr * 4 * g_aes_nb[mode]], 4 * g_aes_nb[mode]);
if (nr > 0) {
if (nr < g_aes_rounds[mode]) {
aes_dump(" mix", s, 4 * g_aes_nb[mode]);
/* do MixColumns */
inv_mix_columns(mode, s);
}
/* do ShiftRows */
aes_dump(" shift", s, 4 * g_aes_nb[mode]);
inv_shift_rows(mode, s);
/* do SubBytes */
aes_dump(" sub", s, 4 * g_aes_nb[mode]);
inv_sub_bytes(mode, s);
}
aes_dump(" state", s, 4 * g_aes_nb[mode]);
}
/* save state (cypher) to user buffer */
for (j = 0; j < 4 * g_aes_nb[mode]; j++)
data[i + j] = s[j];
printf("Output:\n");
aes_dump("plain", &data[i], 4 * g_aes_nb[mode]);
}
return 0;
}
int aes_decrypt_ecb(AES_CYPHER_T mode, uint8_t *data, int len, uint8_t *key)
{
return aes_decrypt(mode, data, len, key);
}
int aes_decrypt_cbc(AES_CYPHER_T mode, uint8_t *data, int len, uint8_t *key, uint8_t *iv)
{
uint8_t w[4 * 4 * 15] = {0}; /* round key */
uint8_t s[4 * 4] = {0}; /* state */
uint8_t v[4 * 4] = {0}; /* iv */
int nr, i, j;
/* key expansion */
aes_key_expansion(mode, key, w);
memcpy(v, iv, sizeof(v));
/* start data cypher loop over input buffer */
for (i = 0; i < len; i += 4 * g_aes_nb[mode]) {
/* init state from user buffer (cyphertext) */
for (j = 0; j < 4 * g_aes_nb[mode]; j++)
s[j] = data[i + j];
/* start AES cypher loop over all AES rounds */
for (nr = g_aes_rounds[mode]; nr >= 0; nr--) {
aes_dump("input", s, 4 * g_aes_nb[mode]);
/* do AddRoundKey */
aes_add_round_key(mode, s, w, nr);
aes_dump(" round", &w[nr * 4 * g_aes_nb[mode]], 4 * g_aes_nb[mode]);
if (nr > 0) {
if (nr < g_aes_rounds[mode]) {
aes_dump(" mix", s, 4 * g_aes_nb[mode]);
/* do MixColumns */
inv_mix_columns(mode, s);
}
/* do ShiftRows */
aes_dump(" shift", s, 4 * g_aes_nb[mode]);
inv_shift_rows(mode, s);
/* do SubBytes */
aes_dump(" sub", s, 4 * g_aes_nb[mode]);
inv_sub_bytes(mode, s);
}
aes_dump(" state", s, 4 * g_aes_nb[mode]);
}
/* save state (cypher) to user buffer */
for (j = 0; j < 4 * g_aes_nb[mode]; j++) {
uint8_t p = s[j] ^ v[j];
v[j] = data[i + j];
data[i + j] = p;
}
}
return 0;
}
void aes_cypher_128_test()
{
#if 1
uint8_t buf[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
uint8_t key[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f };
#else
uint8_t buf[] = { 0x32, 0x43, 0xf6, 0xa8, 0x88, 0x5a, 0x30, 0x8d,
0x31, 0x31, 0x98, 0xa2, 0xe0, 0x37, 0x07, 0x34 };
uint8_t key[] = { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };
#endif
printf("\nAES_CYPHER_128 encrypt test case:\n");
printf("Input:\n");
aes_dump("data", buf, sizeof(buf));
aes_dump("key ", key, sizeof(key));
aes_encrypt(AES_CYPHER_128, buf, sizeof(buf), key);
printf("\nAES_CYPHER_128 decrypt test case:\n");
printf("Input:\n");
aes_dump("data", buf, sizeof(buf));
aes_dump("key ", key, sizeof(key));
aes_decrypt(AES_CYPHER_128, buf, sizeof(buf), key);
}
void aes_cypher_192_test()
{
uint8_t buf[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
uint8_t key[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17 };
printf("\nAES_CYPHER_192 encrypt test case:\n");
printf("Input:\n");
aes_dump("data", buf, sizeof(buf));
aes_dump("key ", key, sizeof(key));
aes_encrypt(AES_CYPHER_192, buf, sizeof(buf), key);
printf("\nAES_CYPHER_192 decrypt test case:\n");
printf("Input:\n");
aes_dump("data", buf, sizeof(buf));
aes_dump("key ", key, sizeof(key));
aes_decrypt(AES_CYPHER_192, buf, sizeof(buf), key);
}
void aes_cypher_256_test()
{
uint8_t buf[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
uint8_t key[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f};
printf("\nAES_CYPHER_256 encrypt test case:\n");
printf("Input:\n");
aes_dump("data", buf, sizeof(buf));
aes_dump("key ", key, sizeof(key));
aes_encrypt(AES_CYPHER_256, buf, sizeof(buf), key);
printf("\nAES_CYPHER_256 decrypt test case:\n");
printf("Input:\n");
aes_dump("data", buf, sizeof(buf));
aes_dump("key ", key, sizeof(key));
aes_decrypt(AES_CYPHER_256, buf, sizeof(buf), key);
}
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