TBOX
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d8021e9352
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@ -34,7 +34,7 @@ const uint8_t SBOX[256] = {
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};
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};
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const uint8_t rCon[12] = {
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const uint8_t rCon[12] = {
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0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36,
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0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36,
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};
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};
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/* AES state type */
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/* AES state type */
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@ -42,75 +42,75 @@ typedef uint32_t t_state[4];
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/* Helper functions */
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/* Helper functions */
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void hexprint16(uint8_t *p) {
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void hexprint16(uint8_t *p) {
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for (int i = 0; i < 16; i++)
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for (int i = 0; i < 16; i++)
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printf("%02hhx ", p[i]);
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printf("%02hhx ", p[i]);
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puts("");
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puts("");
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}
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}
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void hexprintw(uint32_t w) {
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void hexprintw(uint32_t w) {
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for (int i = 0; i < 32; i += 8)
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for (int i = 0; i < 32; i += 8)
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printf("%02hhx ", (w >> i) & 0xffU);
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printf("%02hhx ", (w >> i) & 0xffU);
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}
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}
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void hexprintws(uint32_t * p, int cnt) {
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void hexprintws(uint32_t * p, int cnt) {
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for (int i = 0; i < cnt; i++)
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for (int i = 0; i < cnt; i++)
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hexprintw(p[i]);
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hexprintw(p[i]);
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puts("");
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puts("");
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}
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}
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void printstate(t_state s) {
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void printstate(t_state s) {
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hexprintw(s[0]);
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hexprintw(s[0]);
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hexprintw(s[1]);
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hexprintw(s[1]);
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hexprintw(s[2]);
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hexprintw(s[2]);
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hexprintw(s[3]);
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hexprintw(s[3]);
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puts("");
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puts("");
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}
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}
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uint32_t word(uint8_t a0, uint8_t a1, uint8_t a2, uint8_t a3) {
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uint32_t word(uint8_t a0, uint8_t a1, uint8_t a2, uint8_t a3) {
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return a0 | (uint32_t)a1 << 8 | (uint32_t)a2 << 16 | (uint32_t)a3 << 24;
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return a0 | (uint32_t)a1 << 8 | (uint32_t)a2 << 16 | (uint32_t)a3 << 24;
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}
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}
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uint8_t wbyte(uint32_t w, int pos) {
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uint8_t wbyte(uint32_t w, int pos) {
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return (w >> (pos * 8)) & 0xff;
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return (w >> (pos * 8)) & 0xff;
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}
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}
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// **************** AES functions ****************
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// **************** AES functions ****************
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uint32_t subWord(uint32_t w) {
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uint32_t subWord(uint32_t w) {
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return word(SBOX[wbyte(w, 0)], SBOX[wbyte(w, 1)], SBOX[wbyte(w, 2)], SBOX[wbyte(w, 3)]);
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return word(SBOX[wbyte(w, 0)], SBOX[wbyte(w, 1)], SBOX[wbyte(w, 2)], SBOX[wbyte(w, 3)]);
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}
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}
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void subBytes(t_state s) {
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void subBytes(t_state s) {
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unsigned char* p = reinterpret_cast<unsigned char*>(s);
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unsigned char* p = reinterpret_cast<unsigned char*>(s);
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for (int i = 0; i < 16; ++i)
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for (int i = 0; i < 16; ++i)
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p[i] = SBOX[p[i]];
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p[i] = SBOX[p[i]];
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}
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}
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void shiftRows(t_state s) {
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void shiftRows(t_state s) {
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uint32_t tmp[4];
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uint32_t tmp[4];
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tmp[0] = s[0] & 0x0000FF00;
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tmp[0] = s[0] & 0x0000FF00;
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tmp[1] = s[1] & 0x0000FF00;
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tmp[1] = s[1] & 0x0000FF00;
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tmp[2] = s[2] & 0x0000FF00;
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tmp[2] = s[2] & 0x0000FF00;
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tmp[3] = s[3] & 0x0000FF00;
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tmp[3] = s[3] & 0x0000FF00;
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s[0] = (s[0] & 0xFFFF00FF) | tmp[1];
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s[0] = (s[0] & 0xFFFF00FF) | tmp[1];
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s[1] = (s[1] & 0xFFFF00FF) | tmp[2];
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s[1] = (s[1] & 0xFFFF00FF) | tmp[2];
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s[2] = (s[2] & 0xFFFF00FF) | tmp[3];
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s[2] = (s[2] & 0xFFFF00FF) | tmp[3];
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s[3] = (s[3] & 0xFFFF00FF) | tmp[0];
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s[3] = (s[3] & 0xFFFF00FF) | tmp[0];
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tmp[0] = s[0] & 0x00FF0000;
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tmp[0] = s[0] & 0x00FF0000;
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tmp[1] = s[1] & 0x00FF0000;
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tmp[1] = s[1] & 0x00FF0000;
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tmp[2] = s[2] & 0x00FF0000;
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tmp[2] = s[2] & 0x00FF0000;
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tmp[3] = s[3] & 0x00FF0000;
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tmp[3] = s[3] & 0x00FF0000;
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s[0] = (s[0] & 0xFF00FFFF) | tmp[2];
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s[0] = (s[0] & 0xFF00FFFF) | tmp[2];
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s[1] = (s[1] & 0xFF00FFFF) | tmp[3];
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s[1] = (s[1] & 0xFF00FFFF) | tmp[3];
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s[2] = (s[2] & 0xFF00FFFF) | tmp[0];
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s[2] = (s[2] & 0xFF00FFFF) | tmp[0];
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s[3] = (s[3] & 0xFF00FFFF) | tmp[1];
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s[3] = (s[3] & 0xFF00FFFF) | tmp[1];
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tmp[0] = s[0] & 0xFF000000;
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tmp[0] = s[0] & 0xFF000000;
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tmp[1] = s[1] & 0xFF000000;
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tmp[1] = s[1] & 0xFF000000;
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tmp[2] = s[2] & 0xFF000000;
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tmp[2] = s[2] & 0xFF000000;
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tmp[3] = s[3] & 0xFF000000;
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tmp[3] = s[3] & 0xFF000000;
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s[0] = (s[0] & 0x00FFFFFF) | tmp[3];
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s[0] = (s[0] & 0x00FFFFFF) | tmp[3];
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s[1] = (s[1] & 0x00FFFFFF) | tmp[0];
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s[1] = (s[1] & 0x00FFFFFF) | tmp[0];
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@ -175,37 +175,37 @@ void aes128_4(uint8_t *in, uint8_t *out, uint32_t * expKey) {
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state[2] = word(in[8], in[9], in[10], in[11]);
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state[2] = word(in[8], in[9], in[10], in[11]);
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state[3] = word(in[12], in[13], in[14], in[15]);
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state[3] = word(in[12], in[13], in[14], in[15]);
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addRoundKey(state, expKey, 0);
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addRoundKey(state, expKey, 0);
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for (int round = 0; round < 9; ++round) {
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for (int round = 0; round < 9; ++round) {
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subBytes(state);
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subBytes(state);
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shiftRows(state);
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shiftRows(state);
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mixColumns(state);
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mixColumns(state);
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addRoundKey(state, expKey, round * 4 + 4);
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addRoundKey(state, expKey, round * 4 + 4);
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}
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}
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subBytes(state);
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subBytes(state);
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shiftRows(state);
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shiftRows(state);
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addRoundKey(state, expKey, 10 * 4);
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addRoundKey(state, expKey, 10 * 4);
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out[0] = wbyte(state[0], 0);
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out[0] = wbyte(state[0], 0);
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out[1] = wbyte(state[0], 1);
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out[1] = wbyte(state[0], 1);
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out[2] = wbyte(state[0], 2);
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out[2] = wbyte(state[0], 2);
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out[3] = wbyte(state[0], 3);
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out[3] = wbyte(state[0], 3);
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out[4] = wbyte(state[1], 0);
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out[4] = wbyte(state[1], 0);
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out[5] = wbyte(state[1], 1);
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out[5] = wbyte(state[1], 1);
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out[6] = wbyte(state[1], 2);
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out[6] = wbyte(state[1], 2);
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out[7] = wbyte(state[1], 3);
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out[7] = wbyte(state[1], 3);
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out[8] = wbyte(state[2], 0);
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out[8] = wbyte(state[2], 0);
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out[9] = wbyte(state[2], 1);
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out[9] = wbyte(state[2], 1);
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out[10] = wbyte(state[2], 2);
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out[10] = wbyte(state[2], 2);
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out[11] = wbyte(state[2], 3);
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out[11] = wbyte(state[2], 3);
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out[12] = wbyte(state[3], 0);
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out[12] = wbyte(state[3], 0);
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out[13] = wbyte(state[3], 1);
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out[13] = wbyte(state[3], 1);
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out[14] = wbyte(state[3], 2);
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out[14] = wbyte(state[3], 2);
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out[15] = wbyte(state[3], 3);
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out[15] = wbyte(state[3], 3);
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}
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}
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@ -214,178 +214,178 @@ void aes128_4(uint8_t *in, uint8_t *out, uint32_t * expKey) {
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//****************************
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//****************************
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// int main(int argc, char* argv[])
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// int main(int argc, char* argv[])
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// {
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// {
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// int test_failed = 0;
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// int test_failed = 0;
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// // test subBytes
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// // test subBytes
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// printf("Testing subBytes\n");
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// printf("Testing subBytes\n");
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// {
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// {
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// t_state state = { 0x01234567,
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// t_state state = { 0x01234567,
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// 0x89abcdef,
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// 0x89abcdef,
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// 0xdeadbeef,
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// 0xdeadbeef,
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// 0x00112233 };
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// 0x00112233 };
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// t_state res_state = { 0x7c266e85,
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// t_state res_state = { 0x7c266e85,
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// 0xa762bddf,
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// 0xa762bddf,
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// 0x1d95aedf,
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// 0x1d95aedf,
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// 0x638293c3 };
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// 0x638293c3 };
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// subBytes(state);
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// subBytes(state);
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// // printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", state[0], state[1], state[2], state[3]);
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// // printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", state[0], state[1], state[2], state[3]);
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// for (int i = 0; i < 4; i++) {
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// for (int i = 0; i < 4; i++) {
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// if (state[i] != res_state[i]) { printf("Mismatch at state[%d]!\n", i); test_failed = 1; }
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// if (state[i] != res_state[i]) { printf("Mismatch at state[%d]!\n", i); test_failed = 1; }
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// }
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// }
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// }
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// }
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// // test shiftRows
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// // test shiftRows
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// printf("Testing shiftRows\n");
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// printf("Testing shiftRows\n");
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// {
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// {
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// t_state state = { 0x01234567,
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// t_state state = { 0x01234567,
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// 0x89abcdef,
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// 0x89abcdef,
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// 0xdeadbeef,
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// 0xdeadbeef,
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// 0x00112233 };
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// 0x00112233 };
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// t_state res_state = { 0x00adcd67,
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// t_state res_state = { 0x00adcd67,
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// 0x0111beef,
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// 0x0111beef,
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// 0x892322ef,
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// 0x892322ef,
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// 0xdeab4533 };
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// 0xdeab4533 };
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// shiftRows(state);
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// shiftRows(state);
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// // printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", state[0], state[1], state[2], state[3]);
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// // printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", state[0], state[1], state[2], state[3]);
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// for (int i = 0; i < 4; i++) {
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// for (int i = 0; i < 4; i++) {
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// if (state[i] != res_state[i]) { printf("Mismatch at state[%d]! 0x%08x 0x%08x\n", i, res_state[i], state[i]); test_failed = 1; }
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// if (state[i] != res_state[i]) { printf("Mismatch at state[%d]! 0x%08x 0x%08x\n", i, res_state[i], state[i]); test_failed = 1; }
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// }
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// }
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// }
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// }
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// // test xtime
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// // test xtime
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// printf("Testing xtime\n");
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// printf("Testing xtime\n");
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// {
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// {
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// uint8_t res[256] = { 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12,
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// uint8_t res[256] = { 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12,
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// 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24, 0x26,
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// 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24, 0x26,
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// 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a,
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// 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a,
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// 0x3c, 0x3e, 0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e,
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// 0x3c, 0x3e, 0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e,
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// 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e, 0x60, 0x62,
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// 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e, 0x60, 0x62,
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// 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76,
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// 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76,
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// 0x78, 0x7a, 0x7c, 0x7e, 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a,
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// 0x78, 0x7a, 0x7c, 0x7e, 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a,
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// 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
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// 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
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// 0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2,
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// 0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2,
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// 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe, 0xc0, 0xc2, 0xc4, 0xc6,
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// 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe, 0xc0, 0xc2, 0xc4, 0xc6,
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// 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda,
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// 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda,
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// 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee,
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// 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee,
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// 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe, 0x1b, 0x19,
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// 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe, 0x1b, 0x19,
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// 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d,
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// 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d,
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// 0x03, 0x01, 0x07, 0x05, 0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31,
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// 0x03, 0x01, 0x07, 0x05, 0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31,
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// 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
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// 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
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// 0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49,
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// 0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49,
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// 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45, 0x7b, 0x79, 0x7f, 0x7d,
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// 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45, 0x7b, 0x79, 0x7f, 0x7d,
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// 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61,
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// 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61,
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// 0x67, 0x65, 0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95,
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// 0x67, 0x65, 0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95,
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// 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85, 0xbb, 0xb9,
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// 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85, 0xbb, 0xb9,
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// 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad,
|
// 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad,
|
||||||
// 0xa3, 0xa1, 0xa7, 0xa5, 0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1,
|
// 0xa3, 0xa1, 0xa7, 0xa5, 0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1,
|
||||||
// 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
|
// 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
|
||||||
// 0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9,
|
// 0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9,
|
||||||
// 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5 };
|
// 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5 };
|
||||||
// for (uint16_t i = 0; i < 256; i++) {
|
// for (uint16_t i = 0; i < 256; i++) {
|
||||||
// //printf("0x%02hhx, ", xtime((uint8_t)i));
|
// //printf("0x%02hhx, ", xtime((uint8_t)i));
|
||||||
// if (xtime((uint8_t)i)!=res[i]) {
|
// if (xtime((uint8_t)i)!=res[i]) {
|
||||||
// printf("\nMismatch at xtime(0x%02x)! Comparison interrupted.\n", i); test_failed = 1;
|
// printf("\nMismatch at xtime(0x%02x)! Comparison interrupted.\n", i); test_failed = 1;
|
||||||
// break;
|
// break;
|
||||||
// }
|
// }
|
||||||
// }
|
// }
|
||||||
// // puts("");
|
// // puts("");
|
||||||
// }
|
// }
|
||||||
// // test mixColumns
|
// // test mixColumns
|
||||||
// printf("Testing mixColumns\n");
|
// printf("Testing mixColumns\n");
|
||||||
// {
|
// {
|
||||||
// t_state state = { 0x01234567,
|
// t_state state = { 0x01234567,
|
||||||
// 0x89abcdef,
|
// 0x89abcdef,
|
||||||
// 0xdeadbeef,
|
// 0xdeadbeef,
|
||||||
// 0x00112233 };
|
// 0x00112233 };
|
||||||
|
|
||||||
// t_state res_state = { 0xcd678923,
|
// t_state res_state = { 0xcd678923,
|
||||||
// 0x45ef01ab,
|
// 0x45ef01ab,
|
||||||
// 0x9e69ba6f,
|
// 0x9e69ba6f,
|
||||||
// 0x66334411 };
|
// 0x66334411 };
|
||||||
// mixColumns(state);
|
// mixColumns(state);
|
||||||
// // printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", state[0], state[1], state[2], state[3]);
|
// // printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", state[0], state[1], state[2], state[3]);
|
||||||
// // printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", res_state[0], res_state[1], res_state[2], res_state[3]);
|
// // printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", res_state[0], res_state[1], res_state[2], res_state[3]);
|
||||||
// for (int i = 0; i < 4; i++) {
|
// for (int i = 0; i < 4; i++) {
|
||||||
// if (state[i] != res_state[i]) { printf("Mismatch at state[%d]! 0x%08x\n", i, state[i]); test_failed = 1; }
|
// if (state[i] != res_state[i]) { printf("Mismatch at state[%d]! 0x%08x\n", i, state[i]); test_failed = 1; }
|
||||||
// }
|
// }
|
||||||
// }
|
// }
|
||||||
|
|
||||||
// // test key expansion
|
// // test key expansion
|
||||||
// printf("Testing expandKey\n");
|
// printf("Testing expandKey\n");
|
||||||
// {
|
// {
|
||||||
// uint8_t key_b[16] = { 0xef, 0xbe, 0xad, 0xde, 0xbe, 0xba, 0xfe, 0xca, 0x0D, 0xF0, 0xAD, 0xBA, 0x00, 0x11, 0x22, 0x33 };
|
// uint8_t key_b[16] = { 0xef, 0xbe, 0xad, 0xde, 0xbe, 0xba, 0xfe, 0xca, 0x0D, 0xF0, 0xAD, 0xBA, 0x00, 0x11, 0x22, 0x33 };
|
||||||
// uint32_t key_w[44] = { 0 /*, ...*/ };
|
// uint32_t key_w[44] = { 0 /*, ...*/ };
|
||||||
// uint32_t res_key_w[44] = {
|
// uint32_t res_key_w[44] = {
|
||||||
// 0xdeadbeef, 0xcafebabe, 0xbaadf00d, 0x33221100,
|
// 0xdeadbeef, 0xcafebabe, 0xbaadf00d, 0x33221100,
|
||||||
// 0xbd6e2d6c, 0x779097d2, 0xcd3d67df, 0xfe1f76df,
|
// 0xbd6e2d6c, 0x779097d2, 0xcd3d67df, 0xfe1f76df,
|
||||||
// 0x23d5ed56, 0x54457a84, 0x99781d5b, 0x67676b84,
|
// 0x23d5ed56, 0x54457a84, 0x99781d5b, 0x67676b84,
|
||||||
// 0x7c50682d, 0x281512a9, 0xb16d0ff2, 0xd60a6476,
|
// 0x7c50682d, 0x281512a9, 0xb16d0ff2, 0xd60a6476,
|
||||||
// 0x44a60f66, 0x6cb31dcf, 0xddde123d, 0x0bd4764b,
|
// 0x44a60f66, 0x6cb31dcf, 0xddde123d, 0x0bd4764b,
|
||||||
// 0xf78d474e, 0x9b3e5a81, 0x46e048bc, 0x4d343ef7,
|
// 0xf78d474e, 0x9b3e5a81, 0x46e048bc, 0x4d343ef7,
|
||||||
// 0x9f6e5fdc, 0x0450055d, 0x42b04de1, 0x0f847316,
|
// 0x9f6e5fdc, 0x0450055d, 0x42b04de1, 0x0f847316,
|
||||||
// 0xd8180013, 0xdc48054e, 0x9ef848af, 0x917c3bb9,
|
// 0xd8180013, 0xdc48054e, 0x9ef848af, 0x917c3bb9,
|
||||||
// 0x8e991071, 0x52d1153f, 0xcc295d90, 0x5d556629,
|
// 0x8e991071, 0x52d1153f, 0xcc295d90, 0x5d556629,
|
||||||
// 0x2bd5ec59, 0x7904f966, 0xb52da4f6, 0xe878c2df,
|
// 0x2bd5ec59, 0x7904f966, 0xb52da4f6, 0xe878c2df,
|
||||||
// 0xb54e504a, 0xcc4aa92c, 0x79670dda, 0x911fcf05,
|
// 0xb54e504a, 0xcc4aa92c, 0x79670dda, 0x911fcf05,
|
||||||
// };
|
// };
|
||||||
// expandKey(key_b, key_w);
|
// expandKey(key_b, key_w);
|
||||||
// for (int i = 0; i < 44; i++) {
|
// for (int i = 0; i < 44; i++) {
|
||||||
// // printf("0x%08x, ", key_w[i]);
|
// // printf("0x%08x, ", key_w[i]);
|
||||||
// // if (i % 4 == 3) printf("\n");
|
// // if (i % 4 == 3) printf("\n");
|
||||||
// }
|
// }
|
||||||
|
|
||||||
// for (int i = 0; i < 44; i++) {
|
// for (int i = 0; i < 44; i++) {
|
||||||
// if (key_w[i] != res_key_w[i]) {
|
// if (key_w[i] != res_key_w[i]) {
|
||||||
// printf("Mismatch at key_w[%d]! Comparison interrupted.\n", i); test_failed = 1;
|
// printf("Mismatch at key_w[%d]! Comparison interrupted.\n", i); test_failed = 1;
|
||||||
// break;
|
// break;
|
||||||
// }
|
// }
|
||||||
// }
|
// }
|
||||||
// printf("Testing addRoundKey\n");
|
// printf("Testing addRoundKey\n");
|
||||||
// // test AddRoundKey (last round)
|
// // test AddRoundKey (last round)
|
||||||
// t_state state = { 0x01234567, 0x89abcdef, 0xdeadbeef, 0x00112233 };
|
// t_state state = { 0x01234567, 0x89abcdef, 0xdeadbeef, 0x00112233 };
|
||||||
// t_state res_state = { 0xb46d152d, 0x45e164c3, 0xa7cab335, 0x910eed36 };
|
// t_state res_state = { 0xb46d152d, 0x45e164c3, 0xa7cab335, 0x910eed36 };
|
||||||
// addRoundKey(state, key_w, 40);
|
// addRoundKey(state, key_w, 40);
|
||||||
// printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", state[0], state[1], state[2], state[3]);
|
// printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n", state[0], state[1], state[2], state[3]);
|
||||||
// for (int i = 0; i < 4; i++) {
|
// for (int i = 0; i < 4; i++) {
|
||||||
// if (state[i] != res_state[i]) { printf("Mismatch at state[%d]!\n", i); }
|
// if (state[i] != res_state[i]) { printf("Mismatch at state[%d]!\n", i); }
|
||||||
// }
|
// }
|
||||||
|
|
||||||
// }
|
// }
|
||||||
|
|
||||||
// // test aes encryption
|
// // test aes encryption
|
||||||
// printf("Testing aes\n");
|
// printf("Testing aes\n");
|
||||||
// {
|
// {
|
||||||
// uint8_t key[16] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
|
// uint8_t key[16] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
|
||||||
// uint8_t in[16] = { 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89 };
|
// uint8_t in[16] = { 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89 };
|
||||||
// uint8_t out[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
// uint8_t out[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
||||||
// uint8_t res[16] = { 0xa3, 0x3a, 0xca, 0x68, 0x72, 0xa2, 0x27, 0x74, 0xbf, 0x99, 0xf3, 0x71, 0xaa, 0x99, 0xd2, 0x5a };
|
// uint8_t res[16] = { 0xa3, 0x3a, 0xca, 0x68, 0x72, 0xa2, 0x27, 0x74, 0xbf, 0x99, 0xf3, 0x71, 0xaa, 0x99, 0xd2, 0x5a };
|
||||||
|
|
||||||
// // printf("Key: ");
|
// // printf("Key: ");
|
||||||
// // hexprint16(key);
|
// // hexprint16(key);
|
||||||
// // puts("");
|
// // puts("");
|
||||||
// // printf("In: ");
|
// // printf("In: ");
|
||||||
// // hexprint16(in);
|
// // hexprint16(in);
|
||||||
// // puts("");
|
// // puts("");
|
||||||
|
|
||||||
// uint32_t expKey[11 * 4];
|
// uint32_t expKey[11 * 4];
|
||||||
// expandKey(key, expKey);
|
// expandKey(key, expKey);
|
||||||
|
|
||||||
// aes128(in, out, expKey);
|
// aes128(in, out, expKey);
|
||||||
|
|
||||||
// // printf("Out: ");
|
// // printf("Out: ");
|
||||||
// // hexprint16(out);
|
// // hexprint16(out);
|
||||||
// // puts("");
|
// // puts("");
|
||||||
|
|
||||||
// for (int i = 0; i < 16; i++) {
|
// for (int i = 0; i < 16; i++) {
|
||||||
// if (out[i] != res[i]) { printf("Mismatch at out[%02d]! 0x%02x 0x%02x\n", i, out[i], res[i]); test_failed = 1; }
|
// if (out[i] != res[i]) { printf("Mismatch at out[%02d]! 0x%02x 0x%02x\n", i, out[i], res[i]); test_failed = 1; }
|
||||||
// }
|
// }
|
||||||
// }
|
// }
|
||||||
// if (test_failed) {
|
// if (test_failed) {
|
||||||
// printf("|*********** SOME TEST(S) FAILED ***********|\n");
|
// printf("|*********** SOME TEST(S) FAILED ***********|\n");
|
||||||
// printf("Please fix me!\n");
|
// printf("Please fix me!\n");
|
||||||
// }
|
// }
|
||||||
// else {
|
// else {
|
||||||
// printf("============== All tests OK! ===============\n");
|
// printf("============== All tests OK! ===============\n");
|
||||||
// }
|
// }
|
||||||
// return test_failed;
|
// return test_failed;
|
||||||
// }
|
// }
|
||||||
|
|
|
||||||
|
|
@ -1,8 +1,6 @@
|
||||||
#include <stdio.h>
|
#include <stdio.h>
|
||||||
#include <stdint.h>
|
#include <stdint.h>
|
||||||
|
|
||||||
/* AES-128 simple implementation template and testing */
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
Author: Ondrej Hladuvka, hladuond@fit.cvut.cz
|
Author: Ondrej Hladuvka, hladuond@fit.cvut.cz
|
||||||
Template: Jiri Bucek 2017
|
Template: Jiri Bucek 2017
|
||||||
|
|
@ -35,57 +33,57 @@ const uint8_t SBOX[256] = {
|
||||||
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 // F
|
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 // F
|
||||||
};
|
};
|
||||||
|
|
||||||
const uint8_t rCon[12] = {
|
|
||||||
0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36,
|
|
||||||
};
|
|
||||||
|
|
||||||
/* AES state type */
|
/* AES state type */
|
||||||
typedef uint32_t t_state[4];
|
typedef uint32_t t_state[4];
|
||||||
|
|
||||||
|
void print(t_state t) {
|
||||||
|
std::cout << t[0] << ' ' << t[1] << ' ' << t[2] << ' ' << t[3] << '\n';
|
||||||
|
}
|
||||||
|
|
||||||
#define word(a0, a1, a2, a3) ((uint32_t)(a0) | ((uint32_t)(a1) << 8) | ((uint32_t)(a2) << 16) | ((uint32_t)(a3) << 24))
|
#define word(a0, a1, a2, a3) ((uint32_t)(a0) | ((uint32_t)(a1) << 8) | ((uint32_t)(a2) << 16) | ((uint32_t)(a3) << 24))
|
||||||
|
|
||||||
uint8_t wbyte(uint32_t w, int pos) {
|
uint8_t wbyte(uint32_t w, int pos) {
|
||||||
return (w >> (pos * 8)) & 0xff;
|
return (w >> (pos * 8)) & 0xff;
|
||||||
}
|
}
|
||||||
|
|
||||||
// **************** AES functions ****************
|
// **************** AES functions ****************
|
||||||
uint32_t subWord(uint32_t w) {
|
uint32_t subWord(uint32_t w) {
|
||||||
return word(SBOX[wbyte(w, 0)], SBOX[wbyte(w, 1)], SBOX[wbyte(w, 2)], SBOX[wbyte(w, 3)]);
|
return word(SBOX[wbyte(w, 0)], SBOX[wbyte(w, 1)], SBOX[wbyte(w, 2)], SBOX[wbyte(w, 3)]);
|
||||||
}
|
}
|
||||||
|
|
||||||
void subBytes(t_state s) {
|
void subBytes(t_state s) {
|
||||||
unsigned char* p = reinterpret_cast<unsigned char*>(s);
|
unsigned char* p = reinterpret_cast<unsigned char*>(s);
|
||||||
for (int i = 0; i < 16; ++i)
|
for (int i = 0; i < 16; ++i)
|
||||||
p[i] = SBOX[p[i]];
|
p[i] = SBOX[p[i]];
|
||||||
}
|
}
|
||||||
|
|
||||||
void shiftRows(t_state s) {
|
void shiftRows(t_state s) {
|
||||||
uint32_t tmp[4];
|
uint32_t tmp[4];
|
||||||
|
|
||||||
tmp[0] = s[0] & 0x0000FF00;
|
tmp[0] = s[0] & 0x0000FF00;
|
||||||
tmp[1] = s[1] & 0x0000FF00;
|
tmp[1] = s[1] & 0x0000FF00;
|
||||||
tmp[2] = s[2] & 0x0000FF00;
|
tmp[2] = s[2] & 0x0000FF00;
|
||||||
tmp[3] = s[3] & 0x0000FF00;
|
tmp[3] = s[3] & 0x0000FF00;
|
||||||
|
|
||||||
s[0] = (s[0] & 0xFFFF00FF) | tmp[1];
|
s[0] = (s[0] & 0xFFFF00FF) | tmp[1];
|
||||||
s[1] = (s[1] & 0xFFFF00FF) | tmp[2];
|
s[1] = (s[1] & 0xFFFF00FF) | tmp[2];
|
||||||
s[2] = (s[2] & 0xFFFF00FF) | tmp[3];
|
s[2] = (s[2] & 0xFFFF00FF) | tmp[3];
|
||||||
s[3] = (s[3] & 0xFFFF00FF) | tmp[0];
|
s[3] = (s[3] & 0xFFFF00FF) | tmp[0];
|
||||||
|
|
||||||
tmp[0] = s[0] & 0x00FF0000;
|
tmp[0] = s[0] & 0x00FF0000;
|
||||||
tmp[1] = s[1] & 0x00FF0000;
|
tmp[1] = s[1] & 0x00FF0000;
|
||||||
tmp[2] = s[2] & 0x00FF0000;
|
tmp[2] = s[2] & 0x00FF0000;
|
||||||
tmp[3] = s[3] & 0x00FF0000;
|
tmp[3] = s[3] & 0x00FF0000;
|
||||||
|
|
||||||
s[0] = (s[0] & 0xFF00FFFF) | tmp[2];
|
s[0] = (s[0] & 0xFF00FFFF) | tmp[2];
|
||||||
s[1] = (s[1] & 0xFF00FFFF) | tmp[3];
|
s[1] = (s[1] & 0xFF00FFFF) | tmp[3];
|
||||||
s[2] = (s[2] & 0xFF00FFFF) | tmp[0];
|
s[2] = (s[2] & 0xFF00FFFF) | tmp[0];
|
||||||
s[3] = (s[3] & 0xFF00FFFF) | tmp[1];
|
s[3] = (s[3] & 0xFF00FFFF) | tmp[1];
|
||||||
|
|
||||||
tmp[0] = s[0] & 0xFF000000;
|
tmp[0] = s[0] & 0xFF000000;
|
||||||
tmp[1] = s[1] & 0xFF000000;
|
tmp[1] = s[1] & 0xFF000000;
|
||||||
tmp[2] = s[2] & 0xFF000000;
|
tmp[2] = s[2] & 0xFF000000;
|
||||||
tmp[3] = s[3] & 0xFF000000;
|
tmp[3] = s[3] & 0xFF000000;
|
||||||
|
|
||||||
s[0] = (s[0] & 0x00FFFFFF) | tmp[3];
|
s[0] = (s[0] & 0x00FFFFFF) | tmp[3];
|
||||||
s[1] = (s[1] & 0x00FFFFFF) | tmp[0];
|
s[1] = (s[1] & 0x00FFFFFF) | tmp[0];
|
||||||
|
|
@ -114,27 +112,6 @@ void mixColumns(t_state s) {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
|
||||||
* Key expansion from 128bits (4*32b)
|
|
||||||
* to 11 round keys (11*4*32b)
|
|
||||||
* each round key is 4*32b
|
|
||||||
*/
|
|
||||||
void expandKey(uint8_t k[16], uint32_t ek[44]) {
|
|
||||||
for (int i = 0; i < 4; i++) {
|
|
||||||
ek[i] = word(k[4*i], k[4*i + 1], k[4*i + 2], k[4*i + 3]);
|
|
||||||
}
|
|
||||||
|
|
||||||
for (int i = 4; i < 44; i++) {
|
|
||||||
uint32_t temp = ek[i - 1];
|
|
||||||
if (i % 4 == 0) {
|
|
||||||
// RotWord, SubWord, and XOR with Rcon
|
|
||||||
temp = subWord((temp >> 8) | (temp << 24)) ^ rCon[i / 4];
|
|
||||||
}
|
|
||||||
ek[i] = ek[i - 4] ^ temp;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* Adding expanded round key (prepared before) */
|
/* Adding expanded round key (prepared before) */
|
||||||
void addRoundKey(t_state s, uint32_t ek[], short index) {
|
void addRoundKey(t_state s, uint32_t ek[], short index) {
|
||||||
for (int i = 0; i < 4; i++) {
|
for (int i = 0; i < 4; i++) {
|
||||||
|
|
@ -142,7 +119,7 @@ void addRoundKey(t_state s, uint32_t ek[], short index) {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void aes128_5a(uint8_t *in, uint8_t *out, uint32_t * expKey) {
|
void aes128_5(uint8_t *in, uint8_t *out, uint32_t * expKey) {
|
||||||
t_state state;
|
t_state state;
|
||||||
|
|
||||||
state[0] = word(in[0], in[1], in[2], in[3]);
|
state[0] = word(in[0], in[1], in[2], in[3]);
|
||||||
|
|
@ -150,37 +127,36 @@ void aes128_5a(uint8_t *in, uint8_t *out, uint32_t * expKey) {
|
||||||
state[2] = word(in[8], in[9], in[10], in[11]);
|
state[2] = word(in[8], in[9], in[10], in[11]);
|
||||||
state[3] = word(in[12], in[13], in[14], in[15]);
|
state[3] = word(in[12], in[13], in[14], in[15]);
|
||||||
|
|
||||||
addRoundKey(state, expKey, 0);
|
addRoundKey(state, expKey, 0);
|
||||||
for (int round = 0; round < 9; ++round) {
|
for (int round = 0; round < 9; ++round) {
|
||||||
subBytes(state);
|
subBytes(state);
|
||||||
shiftRows(state);
|
shiftRows(state);
|
||||||
mixColumns(state);
|
mixColumns(state);
|
||||||
addRoundKey(state, expKey, round * 4 + 4);
|
addRoundKey(state, expKey, round * 4 + 4);
|
||||||
}
|
}
|
||||||
|
subBytes(state);
|
||||||
|
shiftRows(state);
|
||||||
|
addRoundKey(state, expKey, 10 * 4);
|
||||||
|
|
||||||
subBytes(state);
|
out[0] = wbyte(state[0], 0);
|
||||||
shiftRows(state);
|
out[1] = wbyte(state[0], 1);
|
||||||
addRoundKey(state, expKey, 10 * 4);
|
out[2] = wbyte(state[0], 2);
|
||||||
|
out[3] = wbyte(state[0], 3);
|
||||||
|
|
||||||
out[0] = wbyte(state[0], 0);
|
out[4] = wbyte(state[1], 0);
|
||||||
out[1] = wbyte(state[0], 1);
|
out[5] = wbyte(state[1], 1);
|
||||||
out[2] = wbyte(state[0], 2);
|
out[6] = wbyte(state[1], 2);
|
||||||
out[3] = wbyte(state[0], 3);
|
out[7] = wbyte(state[1], 3);
|
||||||
|
|
||||||
out[4] = wbyte(state[1], 0);
|
out[8] = wbyte(state[2], 0);
|
||||||
out[5] = wbyte(state[1], 1);
|
out[9] = wbyte(state[2], 1);
|
||||||
out[6] = wbyte(state[1], 2);
|
out[10] = wbyte(state[2], 2);
|
||||||
out[7] = wbyte(state[1], 3);
|
out[11] = wbyte(state[2], 3);
|
||||||
|
|
||||||
out[8] = wbyte(state[2], 0);
|
out[12] = wbyte(state[3], 0);
|
||||||
out[9] = wbyte(state[2], 1);
|
out[13] = wbyte(state[3], 1);
|
||||||
out[10] = wbyte(state[2], 2);
|
out[14] = wbyte(state[3], 2);
|
||||||
out[11] = wbyte(state[2], 3);
|
out[15] = wbyte(state[3], 3);
|
||||||
|
|
||||||
out[12] = wbyte(state[3], 0);
|
|
||||||
out[13] = wbyte(state[3], 1);
|
|
||||||
out[14] = wbyte(state[3], 2);
|
|
||||||
out[15] = wbyte(state[3], 3);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
@ -0,0 +1,165 @@
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <array>
|
||||||
|
|
||||||
|
/*
|
||||||
|
Author: Ondrej Hladuvka, hladuond@fit.cvut.cz
|
||||||
|
Template: Jiri Bucek 2017
|
||||||
|
AES specification:
|
||||||
|
http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
|
||||||
|
*/
|
||||||
|
|
||||||
|
namespace aes128_5b {
|
||||||
|
|
||||||
|
/* AES Constants */
|
||||||
|
|
||||||
|
// forward sbox
|
||||||
|
constexpr std::array<uint8_t, 256> SBOX = {
|
||||||
|
// 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, // 0
|
||||||
|
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, // 1
|
||||||
|
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, // 2
|
||||||
|
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, // 3
|
||||||
|
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, // 4
|
||||||
|
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, // 5
|
||||||
|
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, // 6
|
||||||
|
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, // 7
|
||||||
|
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, // 8
|
||||||
|
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, // 9
|
||||||
|
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, // A
|
||||||
|
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, // B
|
||||||
|
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, // C
|
||||||
|
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, // D
|
||||||
|
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, // E
|
||||||
|
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 // F
|
||||||
|
};
|
||||||
|
|
||||||
|
/* AES state type */
|
||||||
|
typedef uint32_t t_state[4];
|
||||||
|
|
||||||
|
void print(t_state t) {
|
||||||
|
std::cout << t[0] << ' ' << t[1] << ' ' << t[2] << ' ' << t[3] << '\n';
|
||||||
|
}
|
||||||
|
|
||||||
|
#define word(a0, a1, a2, a3) ((uint32_t)(a0) | ((uint32_t)(a1) << 8) | ((uint32_t)(a2) << 16) | ((uint32_t)(a3) << 24))
|
||||||
|
|
||||||
|
uint8_t wbyte(uint32_t w, int pos) {
|
||||||
|
return (w >> (pos * 8)) & 0xff;
|
||||||
|
}
|
||||||
|
|
||||||
|
// **************** AES functions ****************
|
||||||
|
uint32_t T0[256], T1[256], T2[256], T3[256];
|
||||||
|
bool t = false;
|
||||||
|
|
||||||
|
constexpr uint8_t xtime(uint8_t c) {
|
||||||
|
uint8_t m = ((c & 0x80) >> 7) * 0x1B;
|
||||||
|
return (c << 1) ^ m;
|
||||||
|
}
|
||||||
|
|
||||||
|
constexpr uint8_t multiply(uint8_t x, uint8_t y) {
|
||||||
|
uint8_t result = 0;
|
||||||
|
while (y) {
|
||||||
|
if (y & 1) result ^= x;
|
||||||
|
x = xtime(x);
|
||||||
|
y >>= 1;
|
||||||
|
}
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
constexpr void generateTBoxes() {
|
||||||
|
for (int i = 0; i < 256; i++) {
|
||||||
|
uint8_t s = SBOX[i];
|
||||||
|
T0[i] = word(multiply(s, 0x02), s, s, multiply(s, 0x03));
|
||||||
|
T1[i] = word(multiply(s, 0x03), multiply(s, 0x02), s, s);
|
||||||
|
T2[i] = word(s, multiply(s, 0x03), multiply(s, 0x02), s);
|
||||||
|
T3[i] = word(s, s, multiply(s, 0x03), multiply(s, 0x02));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void addRoundKey(t_state s, uint32_t ek[], short index) {
|
||||||
|
for (int i = 0; i < 4; i++) {
|
||||||
|
s[i] ^= ek[index + i];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void aesRound(uint32_t state[4]) {
|
||||||
|
uint32_t tmp[4];
|
||||||
|
tmp[0] = T0[wbyte(state[0], 0)] ^ T1[wbyte(state[1], 1)] ^ T2[wbyte(state[2], 2)] ^ T3[wbyte(state[3], 3)];
|
||||||
|
tmp[1] = T0[wbyte(state[1], 0)] ^ T1[wbyte(state[2], 1)] ^ T2[wbyte(state[3], 2)] ^ T3[wbyte(state[0], 3)];
|
||||||
|
tmp[2] = T0[wbyte(state[2], 0)] ^ T1[wbyte(state[3], 1)] ^ T2[wbyte(state[0], 2)] ^ T3[wbyte(state[1], 3)];
|
||||||
|
tmp[3] = T0[wbyte(state[3], 0)] ^ T1[wbyte(state[0], 1)] ^ T2[wbyte(state[1], 2)] ^ T3[wbyte(state[2], 3)];
|
||||||
|
for (int i = 0; i < 4; i++) state[i] = tmp[i];
|
||||||
|
}
|
||||||
|
|
||||||
|
void shiftRows(t_state s) {
|
||||||
|
uint32_t tmp[4];
|
||||||
|
|
||||||
|
tmp[0] = s[0] & 0x0000FF00;
|
||||||
|
tmp[1] = s[1] & 0x0000FF00;
|
||||||
|
tmp[2] = s[2] & 0x0000FF00;
|
||||||
|
tmp[3] = s[3] & 0x0000FF00;
|
||||||
|
|
||||||
|
s[0] = (s[0] & 0xFFFF00FF) | tmp[1];
|
||||||
|
s[1] = (s[1] & 0xFFFF00FF) | tmp[2];
|
||||||
|
s[2] = (s[2] & 0xFFFF00FF) | tmp[3];
|
||||||
|
s[3] = (s[3] & 0xFFFF00FF) | tmp[0];
|
||||||
|
|
||||||
|
tmp[0] = s[0] & 0x00FF0000;
|
||||||
|
tmp[1] = s[1] & 0x00FF0000;
|
||||||
|
tmp[2] = s[2] & 0x00FF0000;
|
||||||
|
tmp[3] = s[3] & 0x00FF0000;
|
||||||
|
|
||||||
|
s[0] = (s[0] & 0xFF00FFFF) | tmp[2];
|
||||||
|
s[1] = (s[1] & 0xFF00FFFF) | tmp[3];
|
||||||
|
s[2] = (s[2] & 0xFF00FFFF) | tmp[0];
|
||||||
|
s[3] = (s[3] & 0xFF00FFFF) | tmp[1];
|
||||||
|
|
||||||
|
tmp[0] = s[0] & 0xFF000000;
|
||||||
|
tmp[1] = s[1] & 0xFF000000;
|
||||||
|
tmp[2] = s[2] & 0xFF000000;
|
||||||
|
tmp[3] = s[3] & 0xFF000000;
|
||||||
|
|
||||||
|
s[0] = (s[0] & 0x00FFFFFF) | tmp[3];
|
||||||
|
s[1] = (s[1] & 0x00FFFFFF) | tmp[0];
|
||||||
|
s[2] = (s[2] & 0x00FFFFFF) | tmp[1];
|
||||||
|
s[3] = (s[3] & 0x00FFFFFF) | tmp[2];
|
||||||
|
}
|
||||||
|
|
||||||
|
void aesFinalRound(uint32_t state[4], uint32_t * expKey) {
|
||||||
|
t_state tmp;
|
||||||
|
tmp[0] = word(SBOX[wbyte(state[0], 0)], SBOX[wbyte(state[1], 1)], SBOX[wbyte(state[2], 2)], SBOX[wbyte(state[3], 3)]);
|
||||||
|
tmp[1] = word(SBOX[wbyte(state[1], 0)], SBOX[wbyte(state[2], 1)], SBOX[wbyte(state[3], 2)], SBOX[wbyte(state[0], 3)]);
|
||||||
|
tmp[2] = word(SBOX[wbyte(state[2], 0)], SBOX[wbyte(state[3], 1)], SBOX[wbyte(state[0], 2)], SBOX[wbyte(state[1], 3)]);
|
||||||
|
tmp[3] = word(SBOX[wbyte(state[3], 0)], SBOX[wbyte(state[0], 1)], SBOX[wbyte(state[1], 2)], SBOX[wbyte(state[2], 3)]);
|
||||||
|
for (int i = 0; i < 4; ++i)
|
||||||
|
state[i] = tmp[i] ^ expKey[10 * 4 + i];
|
||||||
|
}
|
||||||
|
|
||||||
|
void aes128_5(uint8_t *in, uint8_t *out, uint32_t * expKey) {
|
||||||
|
if (!t) generateTBoxes();
|
||||||
|
t = true;
|
||||||
|
|
||||||
|
uint32_t state[4] = {
|
||||||
|
word(in[0], in[1], in[2], in[3]),
|
||||||
|
word(in[4], in[5], in[6], in[7]),
|
||||||
|
word(in[8], in[9], in[10], in[11]),
|
||||||
|
word(in[12], in[13], in[14], in[15])
|
||||||
|
};
|
||||||
|
|
||||||
|
addRoundKey(state, expKey, 0);
|
||||||
|
for (int round = 0; round < 9; round++) {
|
||||||
|
aesRound(state);
|
||||||
|
addRoundKey(state, expKey, round * 4 + 4);
|
||||||
|
}
|
||||||
|
aesFinalRound(state, expKey);
|
||||||
|
|
||||||
|
|
||||||
|
for (int i = 0; i < 4; i++) {
|
||||||
|
out[i * 4 + 0] = wbyte(state[i], 0);
|
||||||
|
out[i * 4 + 1] = wbyte(state[i], 1);
|
||||||
|
out[i * 4 + 2] = wbyte(state[i], 2);
|
||||||
|
out[i * 4 + 3] = wbyte(state[i], 3);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -9,6 +9,7 @@
|
||||||
#include <type_traits>
|
#include <type_traits>
|
||||||
#include "aes_4.cpp"
|
#include "aes_4.cpp"
|
||||||
#include "aes_5a.cpp"
|
#include "aes_5a.cpp"
|
||||||
|
#include "aes_5b.cpp"
|
||||||
|
|
||||||
// AES constants
|
// AES constants
|
||||||
constexpr size_t blockSize = 16;
|
constexpr size_t blockSize = 16;
|
||||||
|
|
@ -71,7 +72,7 @@ void test(void (*aes)(uint8_t *in, uint8_t *out, uint32_t *expKey), uint8_t *in,
|
||||||
std::chrono::duration<double, CycleTimeUnit> time = end - start;
|
std::chrono::duration<double, CycleTimeUnit> time = end - start;
|
||||||
double timeAVG = time.count() / numTests;
|
double timeAVG = time.count() / numTests;
|
||||||
|
|
||||||
std::cout << "time :" << time.count()/std::ratio_divide<CycleTimeUnit, TestTimeUnit>::den << "ms\navg time: " << timeAVG << "ns\navg cpu cycles: " << cycles/numTests << std::endl;
|
std::cout << "time: " << time.count()/std::ratio_divide<CycleTimeUnit, TestTimeUnit>::den << "ms\navg time: " << timeAVG << "ns\navg cpu cycles: " << cycles/numTests << std::endl;
|
||||||
std::free(tmpBlock);
|
std::free(tmpBlock);
|
||||||
std::free(outBuf);
|
std::free(outBuf);
|
||||||
}
|
}
|
||||||
|
|
@ -107,112 +108,19 @@ int main() {
|
||||||
}
|
}
|
||||||
opensslCycles = __rdtsc() - opensslCycles;
|
opensslCycles = __rdtsc() - opensslCycles;
|
||||||
auto end = std::chrono::high_resolution_clock::now();
|
auto end = std::chrono::high_resolution_clock::now();
|
||||||
std::chrono::duration<double, std::nano> opensslTime = end - start;
|
std::chrono::duration<double, CycleTimeUnit> opensslTime = end - start;
|
||||||
double timeAVG = opensslTime.count() / numTests;
|
double timeAVG = opensslTime.count() / numTests;
|
||||||
std::cout << "avg time: " << timeAVG << "ns\navg cycles: " << opensslCycles/numTests << std::endl;
|
std::cout << "time: " << opensslTime.count()/std::ratio_divide<CycleTimeUnit, TestTimeUnit>::den << "ms\navg time: " << timeAVG << "ns\navg cycles: " << opensslCycles/numTests << std::endl;
|
||||||
std::free(tmpBlock);
|
std::free(tmpBlock);
|
||||||
#pragma GCC diagnostic pop
|
#pragma GCC diagnostic pop
|
||||||
|
|
||||||
expandKey(key, expandedKey);
|
expandKey(key, expandedKey);
|
||||||
|
|
||||||
test(aes128_4, input, opensslOutput, expandedKey, iv, "My original implementation");
|
test(aes128_4, input, opensslOutput, expandedKey, iv, "My original implementation (4)");
|
||||||
test(aes128_5a::aes128_5a, input, opensslOutput, expandedKey, iv, "My original implementation");
|
test(aes128_5a::aes128_5, input, opensslOutput, expandedKey, iv, "With macro (5a)");
|
||||||
// test(aes128, input, opensslOutput, expandedKey, iv, "My original implementation");
|
test(aes128_5b::aes128_5, input, opensslOutput, expandedKey, iv, "With T-Box (5b)");
|
||||||
|
|
||||||
std::free(input);
|
std::free(input);
|
||||||
std::free(opensslOutput);
|
std::free(opensslOutput);
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
// int main() {
|
|
||||||
|
|
||||||
// uint8_t key[keySize];
|
|
||||||
|
|
||||||
// uint8_t* opensslOutput = new uint8_t[payloadSize];
|
|
||||||
// uint8_t* myOutput = new uint8_t[payloadSize];
|
|
||||||
// uint8_t* myOptimOutput = new uint8_t[payloadSize];
|
|
||||||
|
|
||||||
// uint8_t* opensslInput = new uint8_t[payloadSize];
|
|
||||||
// uint8_t* myInput = new uint8_t[payloadSize];
|
|
||||||
// uint8_t* myOptimInput = new uint8_t[payloadSize];
|
|
||||||
|
|
||||||
// std::unique_ptr<uint8_t> iv(static_cast<uint8_t*>(std::aligned_alloc(blockSize, blockSize)));
|
|
||||||
// uint32_t expandedKey[44];
|
|
||||||
|
|
||||||
// std::chrono::duration<double, std::nano> opensslTime(0);
|
|
||||||
// std::chrono::duration<double, std::nano> myTime(0);
|
|
||||||
// std::chrono::duration<double, std::nano> myOptimTime(0);
|
|
||||||
|
|
||||||
// uint64_t opensslCycles;
|
|
||||||
// uint64_t myCycles;
|
|
||||||
// uint64_t myOptimCycles;
|
|
||||||
|
|
||||||
// AES_KEY opensslKey;
|
|
||||||
|
|
||||||
// RAND_bytes(key, keySize);
|
|
||||||
// RAND_bytes(opensslInput, payloadSize);
|
|
||||||
|
|
||||||
// RAND_bytes(iv.get(), blockSize);
|
|
||||||
// xor_into_128bit_u(opensslInput, iv.get());
|
|
||||||
// memcpy(myInput, opensslInput, payloadSize);
|
|
||||||
// memcpy(myOptimInput, opensslInput, payloadSize);
|
|
||||||
|
|
||||||
// expandKey(key, expandedKey);
|
|
||||||
// #pragma GCC diagnostic push
|
|
||||||
// #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
|
|
||||||
// AES_set_encrypt_key(key, 128, &opensslKey);
|
|
||||||
|
|
||||||
// // OPENSSL
|
|
||||||
// auto start = std::chrono::high_resolution_clock::now();
|
|
||||||
// opensslCycles = __rdtsc();
|
|
||||||
// for (int test = 0; test < numTests; ++test) {
|
|
||||||
// AES_encrypt(opensslInput + blockSize * test, opensslOutput + blockSize * test, &opensslKey);
|
|
||||||
// xor_into_128bit_u(opensslInput + blockSize * test, opensslOutput + blockSize * test);
|
|
||||||
// }
|
|
||||||
// #pragma GCC diagnostic pop
|
|
||||||
// opensslCycles = __rdtsc() - opensslCycles;
|
|
||||||
// auto end = std::chrono::high_resolution_clock::now();
|
|
||||||
// opensslTime += end - start;
|
|
||||||
|
|
||||||
// // My 4
|
|
||||||
// start = std::chrono::high_resolution_clock::now();
|
|
||||||
// myCycles = __rdtsc();
|
|
||||||
// for (int test = 0; test < numTests; ++test) {
|
|
||||||
// aes128(myInput + blockSize * test, myOutput + blockSize * test, expandedKey);
|
|
||||||
// xor_into_128bit_u(myInput + blockSize * test, myOutput + blockSize * test);
|
|
||||||
// }
|
|
||||||
// myCycles = __rdtsc() - myCycles;
|
|
||||||
// end = std::chrono::high_resolution_clock::now();
|
|
||||||
// myTime += end - start;
|
|
||||||
|
|
||||||
// // My 5a
|
|
||||||
// start = std::chrono::high_resolution_clock::now();
|
|
||||||
// myOptimCycles = __rdtsc();
|
|
||||||
// for (int test = 0; test < numTests; ++test) {
|
|
||||||
// aes128(myOptimInput + blockSize * test, myOptimOutput + blockSize * test, expandedKey);
|
|
||||||
// xor_into_128bit_u(myOptimInput + blockSize * test, myOptimOutput + blockSize * test);
|
|
||||||
// }
|
|
||||||
// myOptimCycles = __rdtsc() - myOptimCycles;
|
|
||||||
// end = std::chrono::high_resolution_clock::now();
|
|
||||||
// myOptimTime += end - start;
|
|
||||||
|
|
||||||
// // Verify
|
|
||||||
// if (std::memcmp(myOptimOutput, opensslOutput, payloadSize)) {
|
|
||||||
// std::cout << "Output differs\n";
|
|
||||||
// for (int i = 0; i < 16; ++i)
|
|
||||||
// std::cout << (int)myOutput[i] << "!=" << (int)opensslOutput[i] << '\n';
|
|
||||||
// } else {
|
|
||||||
// std::cout << "Output same\n";
|
|
||||||
// }
|
|
||||||
|
|
||||||
// // Print perf stats
|
|
||||||
// double opensslTimeAVG = opensslTime.count() / numTests;
|
|
||||||
// double myTimeAVG = myTime.count() / numTests;
|
|
||||||
// double myOptimTimeAVG = myOptimTime.count() / numTests;
|
|
||||||
|
|
||||||
// std::cout << "avg openssl time: " << opensslTimeAVG << "ns, cycles: " << opensslCycles/numTests << std::endl;
|
|
||||||
// std::cout << "avg my time: " << myTimeAVG << "ns, cycles: " << myCycles/numTests << std::endl;
|
|
||||||
// std::cout << "avg my optim time: " << myOptimTimeAVG << "ns, cycles: " << myOptimCycles/numTests << std::endl;
|
|
||||||
|
|
||||||
// return opensslOutput[0] ^ myOutput[0] ^ myOptimOutput[0];
|
|
||||||
// }
|
|
||||||
Loading…
Reference in New Issue