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Merge pull request #12 from snej/blake3
Blake3 hash
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| [submodule "vendor/monocypher"] | ||
| path = vendor/monocypher | ||
| url = https://github.com/snej/Monocypher.git | ||
| [submodule "vendor/BLAKE3"] | ||
| path = vendor/BLAKE3 | ||
| url = https://github.com/BLAKE3-team/BLAKE3.git |
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| // | ||
| // monocypher/ext/blake3.hh | ||
| // | ||
| // Monocypher-Cpp: Unofficial idiomatic C++17 wrapper for Monocypher | ||
| // <https://monocypher.org> | ||
| // | ||
| // Copyright (c) 2024 Jens Alfke. All rights reserved. | ||
| // | ||
| // --- Standard 2-clause BSD licence follows --- | ||
| // Redistribution and use in source and binary forms, with or without | ||
| // modification, are permitted provided that the following conditions are | ||
| // met: | ||
| // | ||
| // 1. Redistributions of source code must retain the above copyright | ||
| // notice, this list of conditions and the following disclaimer. | ||
| // | ||
| // 2. Redistributions in binary form must reproduce the above copyright | ||
| // notice, this list of conditions and the following disclaimer in the | ||
| // documentation and/or other materials provided with the | ||
| // distribution. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
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|
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| #pragma once | ||
| #include "../hash.hh" | ||
| #include <memory> | ||
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| namespace monocypher::ext { | ||
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| struct Blake3Base { | ||
| static constexpr const char* name = "BLAKE3"; | ||
| using context = byte_array<1912>; | ||
| static void init_fn (context *ctx); | ||
| static void update_fn(context *ctx, const uint8_t *message, size_t message_size); | ||
| protected: | ||
| static void final_fn(context *ctx, uint8_t *hash, size_t hash_size); | ||
| static void create_fn(uint8_t *hash, size_t hash_size, const uint8_t *msg, size_t msg_size); | ||
| static void init_mac_fn(context *ctx, const uint8_t *key, size_t key_size); | ||
| static void create_mac_fn(uint8_t *hash, size_t hash_size, | ||
| const uint8_t *key, size_t key_size, | ||
| const uint8_t *message, size_t message_size); | ||
| }; | ||
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| /// The BLAKE3 digest algorithm, for use as the template parameter to `hash`. | ||
| /// | ||
| /// @note This functionality is NOT part of Monocypher itself. | ||
| /// It uses the C reference implementation, <https://github.com/BLAKE3-team/BLAKE3> | ||
| template <size_t Size = 32> | ||
| struct Blake3 : public Blake3Base { | ||
| static constexpr size_t hash_size = Size; | ||
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| static void final_fn (context *ctx, uint8_t hash[Size]) { | ||
| Blake3Base::final_fn(ctx, hash, hash_size); | ||
| } | ||
| static void create_fn(uint8_t hash[Size], const uint8_t *message, size_t message_size) { | ||
| Blake3Base::create_fn(hash, hash_size, message, message_size); | ||
| } | ||
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| /// Note: BLAKE3's HMAC algorithm requires the key to be exactly 32 bytes. | ||
| struct mac { | ||
| using context = Blake3::context; | ||
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| static void create_fn(uint8_t *hash, const uint8_t *key, size_t key_size, | ||
| const uint8_t *message, size_t message_size) | ||
| { | ||
| Blake3Base::create_mac_fn(hash, hash_size, key, key_size, message, message_size); | ||
| } | ||
| static void init_fn(context *ctx, const uint8_t *key, size_t key_size) { | ||
| Blake3Base::init_mac_fn(ctx, key, key_size); | ||
| } | ||
| static constexpr auto update_fn = Blake3::update_fn; | ||
| static constexpr auto final_fn = Blake3::final_fn; | ||
| }; | ||
| }; | ||
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| /// Blake3 hash class with default 256-bit (32-byte) hash size.. | ||
| using blake3 = hash<Blake3<>>; | ||
| } |
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| // | ||
| // monocypher/ext/sha512.hh | ||
| // | ||
| // Monocypher-Cpp: Unofficial idiomatic C++17 wrapper for Monocypher | ||
| // <https://monocypher.org> | ||
| // | ||
| // Copyright (c) 2022 Jens Alfke. All rights reserved. | ||
| // | ||
| // --- Standard 2-clause BSD licence follows --- | ||
| // Redistribution and use in source and binary forms, with or without | ||
| // modification, are permitted provided that the following conditions are | ||
| // met: | ||
| // | ||
| // 1. Redistributions of source code must retain the above copyright | ||
| // notice, this list of conditions and the following disclaimer. | ||
| // | ||
| // 2. Redistributions in binary form must reproduce the above copyright | ||
| // notice, this list of conditions and the following disclaimer in the | ||
| // documentation and/or other materials provided with the | ||
| // distribution. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|
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| #pragma once | ||
| #include "../hash.hh" | ||
| #include "../../../vendor/monocypher/src/optional/monocypher-ed25519.h" | ||
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| namespace monocypher { | ||
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| // This functionality is an extension that comes with Monocypher. | ||
| // It's not considered part of the core API, but is provided for compatibility. | ||
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| /// SHA-512 algorithm, for use as the template parameter to `hash`. | ||
| struct SHA512 { | ||
| static constexpr const char* name = "SHA-512"; | ||
| static constexpr size_t hash_size = 512 / 8; | ||
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| using context = c::crypto_sha512_ctx; | ||
| static constexpr auto create_fn = c::crypto_sha512; | ||
| static constexpr auto init_fn = c::crypto_sha512_init; | ||
| static constexpr auto update_fn = c::crypto_sha512_update; | ||
| static constexpr auto final_fn = c::crypto_sha512_final; | ||
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| struct mac { | ||
| using context = c::crypto_sha512_hmac_ctx; | ||
| static constexpr auto create_fn = c::crypto_sha512_hmac; | ||
| static constexpr auto init_fn = c::crypto_sha512_hmac_init; | ||
| static constexpr auto update_fn = c::crypto_sha512_hmac_update; | ||
| static constexpr auto final_fn = c::crypto_sha512_hmac_final; | ||
| }; | ||
| }; | ||
|
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| using sha512 = hash<SHA512>; | ||
| } |
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