mirror of
https://github.com/AntelopeIO/boringssl.git
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Adam Langley
09050cb498
The added code is a one-shot function. A handful of instructions could be saved by having a context object for repeated use of the same key, but perhaps it's not needed. Selected the 2-4 variant to implement because it seems to be overwhelmingly the most commonly used. Change-Id: I1e4f699f7dd5a2d35e12245fa116bafbd3439979 Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/36664 Commit-Queue: Adam Langley <agl@google.com> Reviewed-by: David Benjamin <davidben@google.com>
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* Copyright (c) 2019, 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_SIPHASH_H
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#define OPENSSL_HEADER_SIPHASH_H
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#include <openssl/base.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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// SipHash is a fast, secure PRF that is often used for hash tables.
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// SIPHASH_24 implements SipHash-2-4. See https://131002.net/siphash/siphash.pdf
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OPENSSL_EXPORT uint64_t SIPHASH_24(const uint64_t key[2], const uint8_t *input,
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size_t input_len);
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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_SIPHASH_H
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