From e26070c47ea592946c26efefe973813b9716918e Mon Sep 17 00:00:00 2001 From: Giacomo Pope Date: Wed, 31 Jul 2024 14:44:11 +0100 Subject: [PATCH] test and document blake3 --- README.md | 26 ++- benchmarks/benchmark_xof.py | 3 +- tests/assets/blake3/test_vectors.json | 217 ++++++++++++++++++++++++++ tests/test_blake3.py | 43 +++++ tests/test_turbo_shake_data.py | 37 +---- tests/utilities.py | 34 ++++ 6 files changed, 315 insertions(+), 45 deletions(-) create mode 100644 tests/assets/blake3/test_vectors.json create mode 100644 tests/test_blake3.py create mode 100644 tests/utilities.py diff --git a/README.md b/README.md index 36251f9..2159be5 100644 --- a/README.md +++ b/README.md @@ -26,6 +26,10 @@ We currently have pyO3 bindings for the four Shake XOF available in the [`sha3`] - [AsconXof()](https://xoflib.readthedocs.io/en/stable/xoflib.html#xoflib.AsconXof) - [AsconAXof()](https://xoflib.readthedocs.io/en/stable/xoflib.html#xoflib.AsconAXof) +### BLAKE3 + +- [Blake3()](https://xoflib.readthedocs.io/en/stable/xoflib.html#xoflib.Blake3) + ### Sha3 - [Shake128()](https://xoflib.readthedocs.io/en/stable/xoflib.html#xoflib.Shake128) @@ -100,6 +104,11 @@ The purpose of this package is to implement XOF for their intended use case, wit `AsconXOF` and `AsconAXof` are tested by comparing the output with the KAT vectors generated from [`pyascon`](https://github.com/meichlseder/pyascon). For more information, see the test file: [tests/test_ascon.py](https://github.com/GiacomoPope/xoflib/blob/main/tests/test_ascon.py) +### BLAKE3 + +`Blake3` is tested by comparing the output with the KAT vectors downloaded from +the [BLAKE3 team implementation](https://github.com/BLAKE3-team) [`test_vectors.json`](https://github.com/BLAKE3-team/BLAKE3/blob/master/test_vectors/test_vectors.json). For more information, see the test file: [tests/test_blake3.py](https://github.com/GiacomoPope/xoflib/blob/main/tests/test_blake3.py). + ### Sha3 `Shake128` and `Shake256` are tested by comparing the output with the KAT vectors downloaded from the "SHA-3 XOF Test Vectors for Byte-Oriented Output" section from [Cryptographic Algorithm Validation Program (CAVP)](https://csrc.nist.gov/projects/cryptographic-algorithm-validation-program/secure-hashing). For more information, see the test file: [tests/test_shake.py](https://github.com/GiacomoPope/xoflib/blob/main/tests/test_shake.py). @@ -120,14 +129,15 @@ We include rough benchmarks of the time it takes to read and absorb 100MB of data into each XOF in chunk sizes of 32B, 1KB and 1MB. Results are displayed in MB/s and are computed as the average throughput for running the test 100 times. -| Algorithm | Absorb (32B) | Read (32B) | Absorb (1KB) | Read (1KB) | Absorb (1MB) | Read (1MB) | -|---------------|----------------|--------------|----------------|--------------|----------------|--------------| -| Ascon | 82 MB/s | 102 MB/s | 147 MB/s | 145 MB/s | 145 MB/s | 152 MB/s | -| AsconA | 96 MB/s | 129 MB/s | 209 MB/s | 160 MB/s | 164 MB/s | 153 MB/s | -| Shake128 | 89 MB/s | 102 MB/s | 271 MB/s | 193 MB/s | 348 MB/s | 316 MB/s | -| Shake256 | 79 MB/s | 103 MB/s | 222 MB/s | 216 MB/s | 234 MB/s | 222 MB/s | -| TurboShake128 | 104 MB/s | 144 MB/s | 425 MB/s | 477 MB/s | 414 MB/s | 505 MB/s | -| TurboShake256 | 126 MB/s | 183 MB/s | 477 MB/s | 513 MB/s | 534 MB/s | 581 MB/s | +| Algorithm | Absorb (32B) | Read (32B) | Absorb (1KB) | Read (1KB) | Absorb (1MB) | Read (1MB) | +|----------------|----------------|--------------|----------------|--------------|----------------|--------------| +| AsconXof | 84 MB/s | 104 MB/s | 147 MB/s | 154 MB/s | 160 MB/s | 157 MB/s | +| AsconAXof | 100 MB/s | 130 MB/s | 210 MB/s | 221 MB/s | 222 MB/s | 223 MB/s | +| Blake3 | 141 MB/s | 195 MB/s | 793 MB/s | 900 MB/s | 2935 MB/s | 1022 MB/s | +| Shake128 | 116 MB/s | 158 MB/s | 320 MB/s | 341 MB/s | 368 MB/s | 358 MB/s | +| Shake256 | 106 MB/s | 144 MB/s | 268 MB/s | 281 MB/s | 287 MB/s | 297 MB/s | +| TurboShaker128 | 138 MB/s | 197 MB/s | 564 MB/s | 615 MB/s | 689 MB/s | 709 MB/s | +| TurboShaker256 | 130 MB/s | 185 MB/s | 470 MB/s | 513 MB/s | 556 MB/s | 572 MB/s | ### Benchmarking against `hashlib` diff --git a/benchmarks/benchmark_xof.py b/benchmarks/benchmark_xof.py index 93029fb..5eefa3c 100644 --- a/benchmarks/benchmark_xof.py +++ b/benchmarks/benchmark_xof.py @@ -1,6 +1,6 @@ import os from timeit import timeit -from xoflib import Shake128, Shake256, AsconXof, AsconAXof, TurboShake128, TurboShake256 +from xoflib import Blake3, Shake128, Shake256, AsconXof, AsconAXof, TurboShake128, TurboShake256 from tabulate import tabulate REPEAT = 1 @@ -35,6 +35,7 @@ def read_chunks(xof_sponge, read_amount, read_count): for xof_shaker in [ AsconXof(), AsconAXof(), + Blake3(), Shake128(), Shake256(), TurboShake128(1), diff --git a/tests/assets/blake3/test_vectors.json b/tests/assets/blake3/test_vectors.json new file mode 100644 index 0000000..0ae86e6 --- /dev/null +++ b/tests/assets/blake3/test_vectors.json @@ -0,0 +1,217 @@ +{ + "_comment": "Each test is an input length and three outputs, one for each of the hash, keyed_hash, and derive_key modes. The input in each case is filled with a repeating sequence of 251 bytes: 0, 1, 2, ..., 249, 250, 0, 1, ..., and so on. The key used with keyed_hash is the 32-byte ASCII string \"whats the Elvish word for friend\", also given in the `key` field below. The context string used with derive_key is the ASCII string \"BLAKE3 2019-12-27 16:29:52 test vectors context\", also given in the `context_string` field below. Outputs are encoded as hexadecimal. Each case is an extended output, and implementations should also check that the first 32 bytes match their default-length output.", + "key": "whats the Elvish word for friend", + "context_string": "BLAKE3 2019-12-27 16:29:52 test vectors context", + "cases": [ + { + "input_len": 0, + "hash": "af1349b9f5f9a1a6a0404dea36dcc9499bcb25c9adc112b7cc9a93cae41f3262e00f03e7b69af26b7faaf09fcd333050338ddfe085b8cc869ca98b206c08243a26f5487789e8f660afe6c99ef9e0c52b92e7393024a80459cf91f476f9ffdbda7001c22e159b402631f277ca96f2defdf1078282314e763699a31c5363165421cce14d", + "keyed_hash": "92b2b75604ed3c761f9d6f62392c8a9227ad0ea3f09573e783f1498a4ed60d26b18171a2f22a4b94822c701f107153dba24918c4bae4d2945c20ece13387627d3b73cbf97b797d5e59948c7ef788f54372df45e45e4293c7dc18c1d41144a9758be58960856be1eabbe22c2653190de560ca3b2ac4aa692a9210694254c371e851bc8f", + "derive_key": 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self.assertEqual(kat_hash, blake3_xof(input_bytes).read(131)) + +class TestBlake(unittest.TestCase): + def class_function_comparison(self, ClassHash, function_hash): + for _ in range(50): + # bytes to consume + init = os.urandom(32) + absorb = os.urandom(64) + + # create XOF from class or hash + xof_class = ClassHash(init).absorb(absorb).finalize() + xof_function = function_hash(init + absorb) + + # Read a bunch of bytes and make sure everything matches + for _ in range(50): + n = random.randint(1, 1000) + self.assertEqual(xof_class.read(n), xof_function.read(n)) + + def test_blake3(self): + self.class_function_comparison(Blake3, blake3_xof) + + def test_accept_buffer_api(self): + data = bytearray(b"bytearrays support __buffer__") + xof1 = Blake3(data).finalize() + xof2 = blake3_xof(data) + self.assertEqual(xof1.read(100), xof2.read(100)) diff --git a/tests/test_turbo_shake_data.py b/tests/test_turbo_shake_data.py index 7d7626f..daedced 100644 --- a/tests/test_turbo_shake_data.py +++ b/tests/test_turbo_shake_data.py @@ -2,42 +2,7 @@ # https://datatracker.ietf.org/doc/draft-irtf-cfrg-kangarootwelve/ # Formatted into python dictionaries for easier parsing... - -def create_pattern(byte_val, length): - """ - Create test vector patterns - """ - return bytes([x % (byte_val + 1) for x in range(length)]) - - -def test_create_pattern(): - """ - Check that pattern creation works as documented - """ - ptn_17 = "00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10".replace(" ", "") - ptn_17_2 = """00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F - 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F - 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F - 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F - 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F - 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F - 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F - 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F - 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F - 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F - A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF - B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF - C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF - D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF - E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF - F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA - 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F - 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F - 20 21 22 23 24 25""".replace("\n", "").replace(" ", "") - - assert bytes.fromhex(ptn_17) == create_pattern(0xFA, 17) - assert bytes.fromhex(ptn_17_2) == create_pattern(0xFA, 17**2) - +from utilities import create_pattern turbo_shake_128_test_vectors = [ { diff --git a/tests/utilities.py b/tests/utilities.py new file mode 100644 index 0000000..40206d5 --- /dev/null +++ b/tests/utilities.py @@ -0,0 +1,34 @@ +def create_pattern(byte_val, length): + """ + Create test vector patterns + """ + return bytes([x % (byte_val + 1) for x in range(length)]) + + +def test_create_pattern(): + """ + Check that pattern creation works as documented + """ + ptn_17 = "00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10".replace(" ", "") + ptn_17_2 = """00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F + 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F + 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F + 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F + 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F + 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F + 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F + 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F + 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F + 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F + A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF + B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF + C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF + D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF + E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF + F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA + 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F + 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F + 20 21 22 23 24 25""".replace("\n", "").replace(" ", "") + + assert bytes.fromhex(ptn_17) == create_pattern(0xFA, 17) + assert bytes.fromhex(ptn_17_2) == create_pattern(0xFA, 17**2)