Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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49 lines
1.9 KiB
49 lines
1.9 KiB
/* Copyright (c) 2014, Google Inc. |
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
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#ifndef OPENSSL_HEADER_POLY1305_H |
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#define OPENSSL_HEADER_POLY1305_H |
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#include <openssl/base.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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typedef uint8_t poly1305_state[512]; |
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// CRYPTO_poly1305_init sets up |state| so that it can be used to calculate an |
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// authentication tag with the one-time key |key|. Note that |key| is a |
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// one-time key and therefore there is no `reset' method because that would |
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// enable several messages to be authenticated with the same key. |
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OPENSSL_EXPORT void CRYPTO_poly1305_init(poly1305_state *state, |
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const uint8_t key[32]); |
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// CRYPTO_poly1305_update processes |in_len| bytes from |in|. It can be called |
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// zero or more times after poly1305_init. |
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OPENSSL_EXPORT void CRYPTO_poly1305_update(poly1305_state *state, |
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const uint8_t *in, size_t in_len); |
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// CRYPTO_poly1305_finish completes the poly1305 calculation and writes a 16 |
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// byte authentication tag to |mac|. |
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OPENSSL_EXPORT void CRYPTO_poly1305_finish(poly1305_state *state, |
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uint8_t mac[16]); |
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#if defined(__cplusplus) |
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} // extern C |
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#endif |
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#endif // OPENSSL_HEADER_POLY1305_H
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