diff options
| -rw-r--r-- | sha3.c | 273 |
1 files changed, 254 insertions, 19 deletions
@@ -25,7 +25,7 @@ * - TupleHash256 and TupleHash256-XOF * - ParallelHash128 and ParallelHash128-XOF * - ParallelHash256 and ParallelHash256-XOF - * - TurboHash128 and TurboHash256 (incomplete) + * - TurboHash128 and TurboHash256 */ #include <stdbool.h> // true, false @@ -1695,11 +1695,8 @@ void parallelhash256_xof_once(const parallelhash_params_t params, const uint8_t // default turboshake pad byte (can be customized for domain separation) #define TURBOSHAKE_PAD 0x1f -typedef struct { - sha3_xof_t xof; - uint8_t pad; -} turboshake_t; - +// init turboeshake context with given pad byte. returns false if the +// pad byte is out of range. static inline _Bool turboshake_init(turboshake_t * const ts, const uint8_t pad) { // check for valid pad if (!pad || pad > 0x1f) { @@ -1715,14 +1712,18 @@ static inline _Bool turboshake_init(turboshake_t * const ts, const uint8_t pad) return true; } +// init turboeshake128 context with custom pad byte. returns false if the +// pad byte is out of range. _Bool turboshake128_init_custom(turboshake_t * const ts, const uint8_t pad) { return turboshake_init(ts, pad); } +// init turboeshake128 context. void turboshake128_init(turboshake_t * const ts) { (void) turboshake_init(ts, TURBOSHAKE_PAD); } +// absorb bytes into turboshake128 context. _Bool turboshake128_absorb(turboshake_t * const ts, const uint8_t * const m, const size_t len) { return xof_absorb(&(ts->xof), SHAKE128_XOF_RATE, TURBOSHAKE_NUM_ROUNDS, m, len); } @@ -5951,34 +5952,127 @@ static void test_hmac_sha3_512_ctx(void) { } static void test_turboshake128(void) { - // FIXME: these tests do not work at the moment; going to revisit - // turboshake later - return; // currently disabled + // test pattern + // src: https://www.ietf.org/archive/id/draft-irtf-cfrg-kangarootwelve-10.html#name-test-vectors + static const uint8_t PATTERN[] = { + 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, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, + 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, + 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, + 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, + 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, + 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, + 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, + 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, + 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, + }; + static const struct { const char *name; // test name const uint8_t pad; // padding byte (domain separator) - const uint8_t msg[256]; // input data - const size_t len; // message length, in bytes + const size_t len; // message length, in bytes (data itself comes from PATTERN) const uint8_t exp[32]; // expected hash } tests[] = {{ - // src: https://www.ietf.org/archive/id/draft-irtf-cfrg-kangarootwelve-10.html#name-test-vectors - .name = "empty", + .name = "len=0, d=7", .pad = 0x07, - .msg = { 0 - }, .len = 0, .exp = { 0x5A, 0x22, 0x3A, 0xD3, 0x0B, 0x3B, 0x8C, 0x66, 0xA2, 0x43, 0x04, 0x8C, 0xFC, 0xED, 0x43, 0x0F, 0x54, 0xE7, 0x52, 0x92, 0x87, 0xD1, 0x51, 0x50, 0xB9, 0x73, 0x13, 0x3A, 0xDF, 0xAC, 0x6A, 0x2F, }, + }, { + .name = "len=1, d=7", + .pad = 0x07, + .len = 1, + .exp = { + 0x1A, 0xC2, 0xD4, 0x50, 0xFC, 0x3B, 0x42, 0x05, 0xD1, 0x9D, 0xA7, 0xBF, 0xCA, 0x1B, 0x37, 0x51, + 0x3C, 0x08, 0x03, 0x57, 0x7A, 0xC7, 0x16, 0x7F, 0x06, 0xFE, 0x2C, 0xE1, 0xF0, 0xEF, 0x39, 0xE5, + }, + }, { + .name = "len=17, d=7", + .pad = 0x07, + .len = 17, + .exp = { + 0xAC, 0xBD, 0x4A, 0xA5, 0x75, 0x07, 0x04, 0x3B, 0xCE, 0xE5, 0x5A, 0xD3, 0xF4, 0x85, 0x04, 0xD8, + 0x15, 0xE7, 0x07, 0xFE, 0x82, 0xEE, 0x3D, 0xAD, 0x6D, 0x58, 0x52, 0xC8, 0x92, 0x0B, 0x90, 0x5E, + }, + }, { + .name = "len=17**2, d=7", + .pad = 0x07, + .len = 17*17, + .exp = { + 0x7A, 0x4D, 0xE8, 0xB1, 0xD9, 0x27, 0xA6, 0x82, 0xB9, 0x29, 0x61, 0x01, 0x03, 0xF0, 0xE9, 0x64, + 0x55, 0x9B, 0xD7, 0x45, 0x42, 0xCF, 0xAD, 0x74, 0x0E, 0xE3, 0xD9, 0xB0, 0x36, 0x46, 0x9E, 0x0A, + }, + }, { + .name = "len=17**3, d=7", + .pad = 0x07, + .len = 17*17*17, + .exp = { + 0x74, 0x52, 0xED, 0x0E, 0xD8, 0x60, 0xAA, 0x8F, 0xE8, 0xE7, 0x96, 0x99, 0xEC, 0xE3, 0x24, 0xF8, + 0xD9, 0x32, 0x71, 0x46, 0x36, 0x10, 0xDA, 0x76, 0x80, 0x1E, 0xBC, 0xEE, 0x4F, 0xCA, 0xFE, 0x42, + }, + }, { + .name = "len=17**4, d=7", + .pad = 0x07, + .len = 17*17*17*17, + .exp = { + 0xCA, 0x5F, 0x1F, 0x3E, 0xEA, 0xC9, 0x92, 0xCD, 0xC2, 0xAB, 0xEB, 0xCA, 0x0E, 0x21, 0x67, 0x65, + 0xDB, 0xF7, 0x79, 0xC3, 0xC1, 0x09, 0x46, 0x05, 0x5A, 0x94, 0xAB, 0x32, 0x72, 0x57, 0x35, 0x22, + }, + }, { + .name = "len=17**5, d=7", + .pad = 0x07, + .len = 17*17*17*17*17, + .exp = { + 0xE9, 0x88, 0x19, 0x3F, 0xB9, 0x11, 0x9F, 0x11, 0xCD, 0x34, 0x46, 0x79, 0x14, 0xE2, 0xA2, 0x6D, + 0xA9, 0xBD, 0xF9, 0x6C, 0x8B, 0xEF, 0x07, 0x6A, 0xEE, 0xAD, 0x1A, 0x89, 0x7B, 0x86, 0x63, 0x83, + }, + }, { + .name = "len=17**6, d=7", + .pad = 0x07, + .len = 17*17*17*17*17*17, + .exp = { + 0x9C, 0x0F, 0xFB, 0x98, 0x7E, 0xEE, 0xED, 0xAD, 0xFA, 0x55, 0x94, 0x89, 0x87, 0x75, 0x6D, 0x09, + 0x0B, 0x67, 0xCC, 0xB6, 0x12, 0x36, 0xE3, 0x06, 0xAC, 0x8A, 0x24, 0xDE, 0x1D, 0x0A, 0xF7, 0x74, + }, + }, { + .name = "len=0, d=6", + .pad = 0x06, + .len = 0, + .exp = { + 0xC7, 0x90, 0x29, 0x30, 0x6B, 0xFA, 0x2F, 0x17, 0x83, 0x6A, 0x3D, 0x65, 0x16, 0xD5, 0x56, 0x63, + 0x40, 0xFE, 0xA6, 0xEB, 0x1A, 0x11, 0x39, 0xAD, 0x90, 0x0B, 0x41, 0x24, 0x3C, 0x49, 0x4B, 0x37, + }, + }, { + .name = "len=0, d=B", + .pad = 0x0B, + .len = 0, + .exp = { + 0x8B, 0x03, 0x5A, 0xB8, 0xF8, 0xEA, 0x7B, 0x41, 0x02, 0x17, 0x16, 0x74, 0x58, 0x33, 0x2E, 0x46, + 0xF5, 0x4B, 0xE4, 0xFF, 0x83, 0x54, 0xBA, 0xF3, 0x68, 0x71, 0x04, 0xA6, 0xD2, 0x4B, 0x0E, 0xAB, + }, }}; for (size_t i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) { - // run - uint8_t got[32]; + // init turboshake_t ts; turboshake128_init_custom(&ts, tests[i].pad); - turboshake128_absorb(&ts, tests[i].msg, tests[i].len); + + // absorb + for (size_t ofs = 0; ofs < tests[i].len; ofs += sizeof(PATTERN)) { + const size_t len = MIN(tests[i].len - ofs, sizeof(PATTERN)); + turboshake128_absorb(&ts, PATTERN, len); + } + + // squeeze + uint8_t got[32]; turboshake128_squeeze(&ts, got, sizeof(got)); // check @@ -5993,7 +6087,148 @@ static void test_turboshake128(void) { } static void test_turboshake256(void) { - // TODO + // test pattern + // src: https://www.ietf.org/archive/id/draft-irtf-cfrg-kangarootwelve-10.html#name-test-vectors + static const uint8_t PATTERN[] = { + 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, + 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, + 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, + 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, + 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, + 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, + 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, + 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, + 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, + 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, + 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, + 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, + 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, + }; + + static const struct { + const char *name; // test name + const uint8_t pad; // padding byte (domain separator) + const size_t len; // message length, in bytes (data itself comes from PATTERN) + const uint8_t exp[64]; // expected hash + } tests[] = {{ + .name = "len=0, d=7", + .pad = 0x07, + .len = 0, + .exp = { + 0x4A, 0x55, 0x5B, 0x06, 0xEC, 0xF8, 0xF1, 0x53, 0x8C, 0xCF, 0x5C, 0x95, 0x15, 0xD0, 0xD0, 0x49, + 0x70, 0x18, 0x15, 0x63, 0xA6, 0x23, 0x81, 0xC7, 0xF0, 0xC8, 0x07, 0xA6, 0xD1, 0xBD, 0x9E, 0x81, + 0x97, 0x80, 0x4B, 0xFD, 0xE2, 0x42, 0x8B, 0xF7, 0x29, 0x61, 0xEB, 0x52, 0xB4, 0x18, 0x9C, 0x39, + 0x1C, 0xEF, 0x6F, 0xEE, 0x66, 0x3A, 0x3C, 0x1C, 0xE7, 0x8B, 0x88, 0x25, 0x5B, 0xC1, 0xAC, 0xC3, + }, + }, { + .name = "len=17, d=7", + .pad = 0x07, + .len = 17, + .exp = { + 0x66, 0xD3, 0x78, 0xDF, 0xE4, 0xE9, 0x02, 0xAC, 0x4E, 0xB7, 0x8F, 0x7C, 0x2E, 0x5A, 0x14, 0xF0, + 0x2B, 0xC1, 0xC8, 0x49, 0xE6, 0x21, 0xBA, 0xE6, 0x65, 0x79, 0x6F, 0xB3, 0x34, 0x6E, 0x6C, 0x79, + 0x75, 0x70, 0x5B, 0xB9, 0x3C, 0x00, 0xF3, 0xCA, 0x8F, 0x83, 0xBC, 0xA4, 0x79, 0xF0, 0x69, 0x77, + 0xAB, 0x3A, 0x60, 0xF3, 0x97, 0x96, 0xB1, 0x36, 0x53, 0x8A, 0xAA, 0xE8, 0xBC, 0xAC, 0x85, 0x44, + }, + }, { + .name = "len=17**2, d=7", + .pad = 0x07, + .len = 17*17, + .exp = { + 0xC5, 0x21, 0x74, 0xAB, 0xF2, 0x82, 0x95, 0xE1, 0x5D, 0xFB, 0x37, 0xB9, 0x46, 0xAC, 0x36, 0xBD, + 0x3A, 0x6B, 0xCC, 0x98, 0xC0, 0x74, 0xFC, 0x25, 0x19, 0x9E, 0x05, 0x30, 0x42, 0x5C, 0xC5, 0xED, + 0xD4, 0xDF, 0xD4, 0x3D, 0xC3, 0xE7, 0xE6, 0x49, 0x1A, 0x13, 0x17, 0x98, 0x30, 0xC3, 0xC7, 0x50, + 0xC9, 0x23, 0x7E, 0x83, 0xFD, 0x9A, 0x3F, 0xEC, 0x46, 0x03, 0xFF, 0x57, 0xE4, 0x22, 0x2E, 0xF2, + }, + }, { + .name = "len=17**3, d=7", + .pad = 0x07, + .len = 17*17*17, + .exp = { + 0x62, 0xA5, 0xA0, 0xBF, 0xF0, 0x64, 0x26, 0xD7, 0x1A, 0x7A, 0x3E, 0x9E, 0x3F, 0x2F, 0xD6, 0xE2, + 0x52, 0xFF, 0x3F, 0xC1, 0x88, 0xA6, 0xA5, 0x36, 0xEC, 0xA4, 0x5A, 0x49, 0xA3, 0x43, 0x7C, 0xB3, + 0xBC, 0x3A, 0x0F, 0x81, 0x49, 0xC8, 0x50, 0xE6, 0xE7, 0xF4, 0x74, 0x7A, 0x70, 0x62, 0x7F, 0xD2, + 0x30, 0x30, 0x41, 0xC6, 0xC3, 0x36, 0x30, 0xF9, 0x43, 0xAD, 0x92, 0xF8, 0xE1, 0xFF, 0x43, 0x90, + }, + }, { + .name = "len=17**4, d=7", + .pad = 0x07, + .len = 17*17*17*17, + .exp = { + 0x52, 0x3C, 0x06, 0x47, 0x18, 0x2D, 0x89, 0x41, 0xF0, 0xDD, 0x5C, 0x5C, 0x0A, 0xB6, 0x2D, 0x4F, + 0xC2, 0x95, 0x61, 0x61, 0x53, 0x96, 0xBB, 0x5B, 0x9A, 0x9D, 0xEB, 0x02, 0x2B, 0x80, 0xC5, 0xBF, + 0x2D, 0x83, 0xA3, 0xBB, 0x36, 0xFF, 0xC0, 0x4F, 0xAC, 0x58, 0xCF, 0x11, 0x49, 0xC6, 0x6D, 0xEC, + 0x4A, 0x59, 0x52, 0x6E, 0x51, 0xF2, 0x95, 0x96, 0xD8, 0x24, 0x42, 0x1A, 0x4B, 0x84, 0xB4, 0x4D, + }, + }, { + .name = "len=17**5, d=7", + .pad = 0x07, + .len = 17*17*17*17*17, + .exp = { + 0xD1, 0x14, 0xA1, 0xC1, 0xA2, 0x08, 0xFF, 0x05, 0xFD, 0x49, 0xD0, 0x9E, 0xE0, 0x35, 0x46, 0x5D, + 0x86, 0x54, 0x7E, 0xBA, 0xD8, 0xE9, 0xAF, 0x4F, 0x8E, 0x87, 0x53, 0x70, 0x57, 0x3D, 0x6B, 0x7B, + 0xB2, 0x0A, 0xB9, 0x60, 0x63, 0x5A, 0xB5, 0x74, 0xE2, 0x21, 0x95, 0xEF, 0x9D, 0x17, 0x1C, 0x9A, + 0x28, 0x01, 0x04, 0x4B, 0x6E, 0x2E, 0xDF, 0x27, 0x2E, 0x23, 0x02, 0x55, 0x4B, 0x3A, 0x77, 0xC9, + }, + }, { + .name = "len=17**6, d=7", + .pad = 0x07, + .len = 17*17*17*17*17*17, + .exp = { + 0x1E, 0x51, 0x34, 0x95, 0xD6, 0x16, 0x98, 0x75, 0xB5, 0x94, 0x53, 0xA5, 0x94, 0xE0, 0x8A, 0xE2, + 0x71, 0xCA, 0x20, 0xE0, 0x56, 0x43, 0xC8, 0x8A, 0x98, 0x7B, 0x5B, 0x6A, 0xB4, 0x23, 0xED, 0xE7, + 0x24, 0x0F, 0x34, 0xF2, 0xB3, 0x35, 0xFA, 0x94, 0xBC, 0x4B, 0x0D, 0x70, 0xE3, 0x1F, 0xB6, 0x33, + 0xB0, 0x79, 0x84, 0x43, 0x31, 0xFE, 0xA4, 0x2A, 0x9C, 0x4D, 0x79, 0xBB, 0x8C, 0x5F, 0x9E, 0x73, + }, + }, { + .name = "len=0, d=B", + .pad = 0x0B, + .len = 0, + .exp = { + 0xC7, 0x49, 0xF7, 0xFB, 0x23, 0x64, 0x4A, 0x02, 0x1D, 0x35, 0x65, 0x3D, 0x1B, 0xFD, 0xF7, 0x47, + 0xCE, 0xCE, 0x5F, 0x97, 0x39, 0xF9, 0xA3, 0x44, 0xAD, 0x16, 0x9F, 0x10, 0x90, 0x6C, 0x68, 0x17, + 0xC8, 0xEE, 0x12, 0x78, 0x4E, 0x42, 0xFF, 0x57, 0x81, 0x4E, 0xFC, 0x1C, 0x89, 0x87, 0x89, 0xD5, + 0xE4, 0x15, 0xDB, 0x49, 0x05, 0x2E, 0xA4, 0x3A, 0x09, 0x90, 0x1D, 0x7A, 0x82, 0xA2, 0x14, 0x5C, + }, + }, { + .name = "len=0, d=6", + .pad = 0x06, + .len = 0, + .exp = { + 0xFF, 0x23, 0xDC, 0xCD, 0x62, 0x16, 0x8F, 0x5A, 0x44, 0x46, 0x52, 0x49, 0xA8, 0x6D, 0xC1, 0x0E, + 0x8A, 0xAB, 0x4B, 0xD2, 0x6A, 0x22, 0xDE, 0xBF, 0x23, 0x48, 0x02, 0x0A, 0x83, 0x1C, 0xDB, 0xE1, + 0x2C, 0xDD, 0x36, 0xA7, 0xDD, 0xD3, 0x1E, 0x71, 0xC0, 0x1F, 0x7C, 0x97, 0xA0, 0xD4, 0xC3, 0xA0, + 0xCC, 0x1B, 0x21, 0x21, 0xE6, 0xB7, 0xCE, 0xAB, 0x38, 0x87, 0xA4, 0xC9, 0xA5, 0xAF, 0x8B, 0x03, + }, + }}; + + for (size_t i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) { + // init + turboshake_t ts; + turboshake256_init_custom(&ts, tests[i].pad); + + // absorb + for (size_t ofs = 0; ofs < tests[i].len; ofs += sizeof(PATTERN)) { + const size_t len = MIN(tests[i].len - ofs, sizeof(PATTERN)); + turboshake256_absorb(&ts, PATTERN, len); + } + + // squeeze + uint8_t got[64]; + turboshake256_squeeze(&ts, got, sizeof(got)); + + // check + if (memcmp(got, tests[i].exp, sizeof(got))) { + fprintf(stderr, "test_turboshake256(\"%s\") failed, got:\n", tests[i].name); + dump_hex(stderr, got, sizeof(got)); + + fprintf(stderr, "exp:\n"); + dump_hex(stderr, tests[i].exp, sizeof(got)); + } + } } int main(void) { |