#include #include #include #include #include #include #include #define BUFFER_SIZE 270 static uint8_t key[] = "aixiao"; char *buff; long file_size; static int Nb = 4; static int Nk = 4; static int Nr = 10; bool EncryptDataToCipherTxt(uint8_t * orign, uint8_t * result, uint16_t length); uint8_t gadd(uint8_t a, uint8_t b) { return a ^ b; } uint8_t gsub(uint8_t a, uint8_t b) { return a ^ b; } uint8_t gmult(uint8_t a, uint8_t b) { uint8_t p = 0, i = 0, hbs = 0; for (i = 0; i < 8; i++) { if (b & 1) { p ^= a; } hbs = a & 0x80; a <<= 1; if (hbs) a ^= 0x1b; b >>= 1; } return (uint8_t) p; } void coef_add(uint8_t a[], uint8_t b[], uint8_t d[]) { d[0] = a[0] ^ b[0]; d[1] = a[1] ^ b[1]; d[2] = a[2] ^ b[2]; d[3] = a[3] ^ b[3]; } void coef_mult(uint8_t * a, uint8_t * b, uint8_t * d) { d[0] = gmult(a[0], b[0]) ^ gmult(a[3], b[1]) ^ gmult(a[2], b[2]) ^ gmult(a[1], b[3]); d[1] = gmult(a[1], b[0]) ^ gmult(a[0], b[1]) ^ gmult(a[3], b[2]) ^ gmult(a[2], b[3]); d[2] = gmult(a[2], b[0]) ^ gmult(a[1], b[1]) ^ gmult(a[0], b[2]) ^ gmult(a[3], b[3]); d[3] = gmult(a[3], b[0]) ^ gmult(a[2], b[1]) ^ gmult(a[1], b[2]) ^ gmult(a[0], b[3]); } static uint8_t s_box[256] = { 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 uint8_t inv_s_box[256] = { 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 R[] = { 0x02, 0x00, 0x00, 0x00 }; uint8_t *Rcon(uint8_t i) { if (i == 1) { R[0] = 0x01; } else if (i > 1) { R[0] = 0x02; i--; while (i - 1 > 0) { R[0] = gmult(R[0], 0x02); i--; } } return R; } void add_round_key(uint8_t * state, uint8_t * w, uint8_t r) { uint8_t c; for (c = 0; c < Nb; c++) { state[Nb * 0 + c] = state[Nb * 0 + c] ^ w[4 * Nb * r + 4 * c + 0]; state[Nb * 1 + c] = state[Nb * 1 + c] ^ w[4 * Nb * r + 4 * c + 1]; state[Nb * 2 + c] = state[Nb * 2 + c] ^ w[4 * Nb * r + 4 * c + 2]; state[Nb * 3 + c] = state[Nb * 3 + c] ^ w[4 * Nb * r + 4 * c + 3]; } } void mix_columns(uint8_t * state) { uint8_t a[] = { 0x02, 0x01, 0x01, 0x03 }; uint8_t i, j, col[4], res[4]; for (j = 0; j < Nb; j++) { for (i = 0; i < 4; i++) { col[i] = state[Nb * i + j]; } coef_mult(a, col, res); for (i = 0; i < 4; i++) { state[Nb * i + j] = res[i]; } } } void inv_mix_columns(uint8_t * state) { uint8_t a[] = { 0x0e, 0x09, 0x0d, 0x0b }; uint8_t i, j, col[4], res[4]; for (j = 0; j < Nb; j++) { for (i = 0; i < 4; i++) { col[i] = state[Nb * i + j]; } coef_mult(a, col, res); for (i = 0; i < 4; i++) { state[Nb * i + j] = res[i]; } } } void shift_rows(uint8_t * state) { uint8_t i, k, s, tmp; for (i = 1; i < 4; i++) { s = 0; while (s < i) { tmp = state[Nb * i + 0]; for (k = 1; k < Nb; k++) { state[Nb * i + k - 1] = state[Nb * i + k]; } state[Nb * i + Nb - 1] = tmp; s++; } } } void inv_shift_rows(uint8_t * state) { uint8_t i, k, s, tmp; for (i = 1; i < 4; i++) { s = 0; while (s < i) { tmp = state[Nb * i + Nb - 1]; for (k = Nb - 1; k > 0; k--) { state[Nb * i + k] = state[Nb * i + k - 1]; } state[Nb * i + 0] = tmp; s++; } } } void sub_bytes(uint8_t * state) { uint8_t i, j; uint8_t row, col; for (i = 0; i < 4; i++) { for (j = 0; j < Nb; j++) { row = (state[Nb * i + j] & 0xf0) >> 4; col = state[Nb * i + j] & 0x0f; state[Nb * i + j] = s_box[16 * row + col]; } } } void inv_sub_bytes(uint8_t * state) { uint8_t i, j; uint8_t row, col; for (i = 0; i < 4; i++) { for (j = 0; j < Nb; j++) { row = (state[Nb * i + j] & 0xf0) >> 4; col = state[Nb * i + j] & 0x0f; state[Nb * i + j] = inv_s_box[16 * row + col]; } } } void sub_word(uint8_t * w) { uint8_t i; for (i = 0; i < 4; i++) { w[i] = s_box[16 * ((w[i] & 0xf0) >> 4) + (w[i] & 0x0f)]; } } void rot_word(uint8_t * w) { uint8_t tmp; uint8_t i; tmp = w[0]; for (i = 0; i < 3; i++) { w[i] = w[i + 1]; } w[3] = tmp; } void key_expansion(uint8_t * key, uint8_t * w) { uint8_t tmp[4]; uint8_t i; uint8_t len = Nb * (Nr + 1); for (i = 0; i < Nk; i++) { w[4 * i + 0] = key[4 * i + 0]; w[4 * i + 1] = key[4 * i + 1]; w[4 * i + 2] = key[4 * i + 2]; w[4 * i + 3] = key[4 * i + 3]; } for (i = Nk; i < len; i++) { tmp[0] = w[4 * (i - 1) + 0]; tmp[1] = w[4 * (i - 1) + 1]; tmp[2] = w[4 * (i - 1) + 2]; tmp[3] = w[4 * (i - 1) + 3]; if (i % Nk == 0) { rot_word(tmp); sub_word(tmp); coef_add(tmp, Rcon(i / Nk), tmp); } else if (Nk > 6 && i % Nk == 4) { sub_word(tmp); } w[4 * i + 0] = w[4 * (i - Nk) + 0] ^ tmp[0]; w[4 * i + 1] = w[4 * (i - Nk) + 1] ^ tmp[1]; w[4 * i + 2] = w[4 * (i - Nk) + 2] ^ tmp[2]; w[4 * i + 3] = w[4 * (i - Nk) + 3] ^ tmp[3]; } } void cipher(uint8_t * in, uint8_t * out, uint8_t * w) { uint8_t state[4 * Nb]; uint8_t r, i, j; for (i = 0; i < 4; i++) { for (j = 0; j < Nb; j++) { state[Nb * i + j] = in[i + 4 * j]; } } add_round_key(state, w, 0); for (r = 1; r < Nr; r++) { sub_bytes(state); shift_rows(state); mix_columns(state); add_round_key(state, w, r); } sub_bytes(state); shift_rows(state); add_round_key(state, w, Nr); for (i = 0; i < 4; i++) { for (j = 0; j < Nb; j++) { out[i + 4 * j] = state[Nb * i + j]; } } } void inv_cipher(uint8_t * in, uint8_t * out, uint8_t * w) { uint8_t state[4 * Nb]; uint8_t r, i, j; for (i = 0; i < 4; i++) { for (j = 0; j < Nb; j++) { state[Nb * i + j] = in[i + 4 * j]; } } add_round_key(state, w, Nr); for (r = Nr - 1; r >= 1; r--) { inv_shift_rows(state); inv_sub_bytes(state); add_round_key(state, w, r); inv_mix_columns(state); } inv_shift_rows(state); inv_sub_bytes(state); add_round_key(state, w, 0); for (i = 0; i < 4; i++) { for (j = 0; j < Nb; j++) { out[i + 4 * j] = state[Nb * i + j]; } } } bool EncryptDataToCipherTxt(uint8_t * orign, uint8_t * result, uint16_t length) { uint8_t w[240]; switch (sizeof(key)) { default: case 16: Nk = 4; Nr = 10; break; case 24: Nk = 6; Nr = 12; break; case 32: Nk = 8; Nr = 14; break; } key_expansion(key, w); if (length % 16 == 0) { uint16_t i; uint16_t counter = length / 16; uint8_t *p, *q; for (i = 0; i < counter; i++) { p = &orign[16 * i]; q = &result[16 * i]; cipher(p, q, w); } } else { return false; } return true; } int open_file(char *filename) { FILE *file; file = fopen(filename, "r"); if (file == NULL) { perror("cannot open config file."); exit(-1); } fseek(file, 0, SEEK_END); file_size = ftell(file); buff = (char *)malloc(file_size + 1); if (buff == NULL) perror("out of memory."); rewind(file); if (fread(buff, file_size, 1, file) < 1) { perror("fread"); } fclose(file); buff[file_size] = '\0'; return 0; } char *source_c[] = { "", "#include ", "#include ", "#include ", "#include ", "#include ", "#include ", "#include ", "#include ", "", "static uint8_t key[] = \"aixiao\";", "char *buff;", "long file_size;", "", "static int Nb = 4;", "static int Nk = 4;", "static int Nr = 10;", "", "", "uint8_t gadd(uint8_t a, uint8_t b)", "{", " return a ^ b;", "}", "", "uint8_t gsub(uint8_t a, uint8_t b)", "{", " return a ^ b;", "}", "", "uint8_t gmult(uint8_t a, uint8_t b)", "{", " uint8_t p = 0, i = 0, hbs = 0;", "", " for (i = 0; i < 8; i++) {", " if (b & 1) {", " p ^= a;", " }", "", " hbs = a & 0x80;", " a <<= 1;", " if (hbs)", " a ^= 0x1b;", " b >>= 1;", " }", "", " return (uint8_t) p;", "}", "", "void coef_add(uint8_t a[], uint8_t b[], uint8_t d[])", "{", " d[0] = a[0] ^ b[0];", " d[1] = a[1] ^ b[1];", " d[2] = a[2] ^ b[2];", " d[3] = a[3] ^ b[3];", "}", "", "void coef_mult(uint8_t * a, uint8_t * b, uint8_t * d)", "{", " d[0] = gmult(a[0], b[0]) ^ gmult(a[3], b[1]) ^ gmult(a[2], b[2]) ^ gmult(a[1], b[3]);", " d[1] = gmult(a[1], b[0]) ^ gmult(a[0], b[1]) ^ gmult(a[3], b[2]) ^ gmult(a[2], b[3]);", " d[2] = gmult(a[2], b[0]) ^ gmult(a[1], b[1]) ^ gmult(a[0], b[2]) ^ gmult(a[3], b[3]);", " d[3] = gmult(a[3], b[0]) ^ gmult(a[2], b[1]) ^ gmult(a[1], b[2]) ^ gmult(a[0], b[3]);", "}", "", "static uint8_t s_box[256] = {", " 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 uint8_t inv_s_box[256] = {", " 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 R[] = { 0x02, 0x00, 0x00, 0x00 };", "", "uint8_t *Rcon(uint8_t i)", "{", " if (i == 1) {", " R[0] = 0x01;", " } else if (i > 1) {", " R[0] = 0x02;", " i--;", " while (i - 1 > 0) {", " R[0] = gmult(R[0], 0x02);", " i--;", " }", " }", "", " return R;", "}", "", "void add_round_key(uint8_t * state, uint8_t * w, uint8_t r)", "{", " uint8_t c;", "", " for (c = 0; c < Nb; c++) {", " state[Nb * 0 + c] = state[Nb * 0 + c] ^ w[4 * Nb * r + 4 * c + 0];", " state[Nb * 1 + c] = state[Nb * 1 + c] ^ w[4 * Nb * r + 4 * c + 1];", " state[Nb * 2 + c] = state[Nb * 2 + c] ^ w[4 * Nb * r + 4 * c + 2];", " state[Nb * 3 + c] = state[Nb * 3 + c] ^ w[4 * Nb * r + 4 * c + 3];", " }", "}", "", "void mix_columns(uint8_t * state)", "{", " uint8_t a[] = { 0x02, 0x01, 0x01, 0x03 };", " uint8_t i, j, col[4], res[4];", "", " for (j = 0; j < Nb; j++) {", " for (i = 0; i < 4; i++) {", " col[i] = state[Nb * i + j];", " }", "", " coef_mult(a, col, res);", "", " for (i = 0; i < 4; i++) {", " state[Nb * i + j] = res[i];", " }", " }", "}", "", "void inv_mix_columns(uint8_t * state)", "{", " uint8_t a[] = { 0x0e, 0x09, 0x0d, 0x0b };", " uint8_t i, j, col[4], res[4];", "", " for (j = 0; j < Nb; j++) {", " for (i = 0; i < 4; i++) {", " col[i] = state[Nb * i + j];", " }", "", " coef_mult(a, col, res);", "", " for (i = 0; i < 4; i++) {", " state[Nb * i + j] = res[i];", " }", " }", "}", "", "void shift_rows(uint8_t * state)", "{", " uint8_t i, k, s, tmp;", "", " for (i = 1; i < 4; i++) {", "", " s = 0;", " while (s < i) {", " tmp = state[Nb * i + 0];", "", " for (k = 1; k < Nb; k++) {", " state[Nb * i + k - 1] = state[Nb * i + k];", " }", "", " state[Nb * i + Nb - 1] = tmp;", " s++;", " }", " }", "}", "", "void inv_shift_rows(uint8_t * state)", "{", " uint8_t i, k, s, tmp;", "", " for (i = 1; i < 4; i++) {", " s = 0;", " while (s < i) {", " tmp = state[Nb * i + Nb - 1];", "", " for (k = Nb - 1; k > 0; k--) {", " state[Nb * i + k] = state[Nb * i + k - 1];", " }", "", " state[Nb * i + 0] = tmp;", " s++;", " }", " }", "}", "", "void sub_bytes(uint8_t * state)", "{", " uint8_t i, j;", " uint8_t row, col;", "", " for (i = 0; i < 4; i++) {", " for (j = 0; j < Nb; j++) {", " row = (state[Nb * i + j] & 0xf0) >> 4;", " col = state[Nb * i + j] & 0x0f;", " state[Nb * i + j] = s_box[16 * row + col];", " }", " }", "}", "", "void inv_sub_bytes(uint8_t * state)", "{", " uint8_t i, j;", " uint8_t row, col;", "", " for (i = 0; i < 4; i++) {", " for (j = 0; j < Nb; j++) {", " row = (state[Nb * i + j] & 0xf0) >> 4;", " col = state[Nb * i + j] & 0x0f;", " state[Nb * i + j] = inv_s_box[16 * row + col];", " }", " }", "}", "", "void sub_word(uint8_t * w)", "{", " uint8_t i;", " for (i = 0; i < 4; i++) {", " w[i] = s_box[16 * ((w[i] & 0xf0) >> 4) + (w[i] & 0x0f)];", " }", "}", "", "void rot_word(uint8_t * w)", "{", " uint8_t tmp;", " uint8_t i;", "", " tmp = w[0];", "", " for (i = 0; i < 3; i++) {", " w[i] = w[i + 1];", " }", "", " w[3] = tmp;", "}", "", "void key_expansion(uint8_t * key, uint8_t * w)", "{", " uint8_t tmp[4];", " uint8_t i;", " uint8_t len = Nb * (Nr + 1);", "", " for (i = 0; i < Nk; i++) {", " w[4 * i + 0] = key[4 * i + 0];", " w[4 * i + 1] = key[4 * i + 1];", " w[4 * i + 2] = key[4 * i + 2];", " w[4 * i + 3] = key[4 * i + 3];", " }", "", " for (i = Nk; i < len; i++) {", " tmp[0] = w[4 * (i - 1) + 0];", " tmp[1] = w[4 * (i - 1) + 1];", " tmp[2] = w[4 * (i - 1) + 2];", " tmp[3] = w[4 * (i - 1) + 3];", "", " if (i % Nk == 0) {", "", " rot_word(tmp);", " sub_word(tmp);", " coef_add(tmp, Rcon(i / Nk), tmp);", "", " } else if (Nk > 6 && i % Nk == 4) {", "", " sub_word(tmp);", "", " }", "", " w[4 * i + 0] = w[4 * (i - Nk) + 0] ^ tmp[0];", " w[4 * i + 1] = w[4 * (i - Nk) + 1] ^ tmp[1];", " w[4 * i + 2] = w[4 * (i - Nk) + 2] ^ tmp[2];", " w[4 * i + 3] = w[4 * (i - Nk) + 3] ^ tmp[3];", " }", "}", "", "void cipher(uint8_t * in, uint8_t * out, uint8_t * w)", "{", " uint8_t state[4 * Nb];", " uint8_t r, i, j;", "", " for (i = 0; i < 4; i++) {", " for (j = 0; j < Nb; j++) {", " state[Nb * i + j] = in[i + 4 * j];", " }", " }", "", " add_round_key(state, w, 0);", "", " for (r = 1; r < Nr; r++) {", " sub_bytes(state);", " shift_rows(state);", " mix_columns(state);", " add_round_key(state, w, r);", " }", "", " sub_bytes(state);", " shift_rows(state);", " add_round_key(state, w, Nr);", "", " for (i = 0; i < 4; i++) {", " for (j = 0; j < Nb; j++) {", " out[i + 4 * j] = state[Nb * i + j];", " }", " }", "}", "", "void inv_cipher(uint8_t * in, uint8_t * out, uint8_t * w)", "{", " uint8_t state[4 * Nb];", " uint8_t r, i, j;", "", " for (i = 0; i < 4; i++) {", " for (j = 0; j < Nb; j++) {", " state[Nb * i + j] = in[i + 4 * j];", " }", " }", "", " add_round_key(state, w, Nr);", "", " for (r = Nr - 1; r >= 1; r--) {", " inv_shift_rows(state);", " inv_sub_bytes(state);", " add_round_key(state, w, r);", " inv_mix_columns(state);", " }", "", " inv_shift_rows(state);", " inv_sub_bytes(state);", " add_round_key(state, w, 0);", "", " for (i = 0; i < 4; i++) {", " for (j = 0; j < Nb; j++) {", " out[i + 4 * j] = state[Nb * i + j];", " }", " }", "}", "", "bool DecryptCipherTxtToData(uint8_t * orign, uint8_t * result, uint16_t length)", "{", " uint8_t w[240];", "", " switch (sizeof(key)) {", " default:", " case 16:", " Nk = 4;", " Nr = 10;", " break;", " case 24:", " Nk = 6;", " Nr = 12;", " break;", " case 32:", " Nk = 8;", " Nr = 14;", " break;", " }", "", " key_expansion(key, w);", " if (length % 16 == 0) {", " uint16_t i;", " uint16_t counter = length / 16;", " uint8_t *p, *q;", "", " for (i = 0; i < counter; i++) {", " p = &orign[16 * i];", " q = &result[16 * i];", " inv_cipher(p, q, w);", " }", " } else {", " return false;", " }", " return true;", "}", "", "int open_file(char *filename)", "{", " FILE *file;", "", " file = fopen(filename, \"r\");", " if (file == NULL) {", " perror(\"cannot open config file.\");", " exit(-1);", " }", " fseek(file, 0, SEEK_END);", " file_size = ftell(file);", " buff = (char *)malloc(file_size + 1);", " if (buff == NULL)", " perror(\"out of memory.\");", " rewind(file);", " if (fread(buff, file_size, 1, file) < 1) {", " perror(\"fread\");", " }", " fclose(file);", " buff[file_size] = '\\0';", " return 0;", "}", "", "", "static int oneHexChar2Hex(char hex)", "{", " int outHex = 0;", " if (isdigit(hex)) {", " outHex = hex - '0';", " } else if (isupper(hex)) {", " outHex = hex - 'A' + 10;", " } else {", " outHex = hex - 'a' + 10;", " }", " return outHex;", "}", "", "static int HexString2Hex(char *inHexString, char *outHex, int count)", "{", " int ret = -1;", " int len = 0;", " int i;", " char ch1, ch2;", " if (NULL == inHexString)", " return -1;", " len = count;", " if (len < 1)", " return -1;", " len &= ~1;", " for (i = 0; i < len; i += 2) {", " ch1 = inHexString[i];", " ch2 = inHexString[i + 1];", " outHex[i / 2 + 1] = 0;", " if (isxdigit(ch1) && isxdigit(ch2)) {", " ch1 = oneHexChar2Hex(ch1);", " ch2 = oneHexChar2Hex(ch2);", " outHex[i / 2] = (ch1 << 4) | ch2;", " } else {", " goto EXIT;", " }", " }", " return 0;", "EXIT:", " return ret;", "}", "", "int main(int argc, char *argv[])", "{", " uint8_t *Hex_string = (uint8_t *) malloc(encrypted_text_len*2);", " memset(Hex_string, 0, encrypted_text_len*2);", "", " uint8_t *Decrypt_data = (uint8_t *) malloc(encrypted_text_len*2);", " memset(Decrypt_data, 0, encrypted_text_len*2);", "", " int l = strlen((const char *)Encrypted_data);", " HexString2Hex((char *)Encrypted_data, (char *)Hex_string, l);", "", " DecryptCipherTxtToData(Hex_string, (uint8_t *)Decrypt_data, encrypted_text_len);", " //printf(\"%s\\n\", Decrypt_data);", "", " execlp(\"bash\", argv[0], \"-c\", Decrypt_data, (char *)0);", "", " free(buff);", " free(Hex_string);", " free(Decrypt_data);", "", " return 0;", "}", 0 }; static void hex2str(uint8_t * input, uint16_t input_len, char *output) { char *hexEncode = "0123456789ABCDEF"; int i = 0, j = 0; for (i = 0; i < input_len; i++) { output[j++] = hexEncode[(input[i] >> 4) & 0xf]; output[j++] = hexEncode[(input[i]) & 0xf]; } } int main(int argc, char *argv[]) { if (argv[1] == NULL) { printf("%s \"shell script file\"\n", argv[0]); exit(1); } open_file(argv[1]); char text_content[file_size * 2]; uint8_t text_content_out[file_size * 2]; uint16_t text_content_length = file_size; unsigned char encrypted_text[file_size * 3]; char encrypted_text_len[BUFFER_SIZE]; uint8_t *hexString = (uint8_t *) malloc(file_size * 3); FILE *sfile = NULL; char sourcefile[BUFFER_SIZE]; char binfile[BUFFER_SIZE]; char buildcmd[BUFFER_SIZE*10]; memset(text_content, 0, file_size * 2); memset(text_content_out, 0, file_size * 2); memset(encrypted_text, 0, file_size * 3); memset(encrypted_text_len, 0, BUFFER_SIZE); memset(hexString, 0, file_size * 3); memset(sourcefile, 0, BUFFER_SIZE); memset(binfile, 0, BUFFER_SIZE); memset(buildcmd, 0, BUFFER_SIZE*10); memcpy(text_content, buff, strlen(buff)); while (text_content_length % 16) { strcat(text_content, "\0"); text_content_length++; } EncryptDataToCipherTxt((uint8_t *) text_content, text_content_out, text_content_length); //16进制字符串 hex2str(text_content_out, text_content_length, (char *)hexString); //printf("%s\n", hexString); //拼接 strcat((char *)encrypted_text, "char Encrypted_data[]=\""); strcat((char *)encrypted_text, (const char *)hexString); strcat((char *)encrypted_text, "\";"); // 长度 sprintf(encrypted_text_len, "int encrypted_text_len=%d;\n", text_content_length); strcpy(sourcefile, argv[1]); strcat(sourcefile, ".c"); // 写入文件 sfile = fopen(sourcefile, "w"); if (sfile == NULL) { perror("fopen"); return 1; } fprintf(sfile, "%s\n", encrypted_text); fprintf(sfile, "%s\n", encrypted_text_len); fflush(sfile); for (int indx = 0; source_c[indx]; indx++) fprintf(sfile, "%s\n", source_c[indx]); fclose(sfile); strcpy(binfile, sourcefile); strcat(binfile, ".x"); sleep(1); sprintf(buildcmd, "gcc -Wall %s -o %s -static", sourcefile, binfile); system(buildcmd); //压缩 char upxcommand[BUFFER_SIZE]; memset(upxcommand, 0, BUFFER_SIZE); strcpy(upxcommand, "upx -9 "); strcat(upxcommand, binfile); sleep(1); system(upxcommand); remove(sourcefile); free(buff); return 0; }