Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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68 lines
2.4 KiB
68 lines
2.4 KiB
/* Copyright (c) 2018, 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_HRSS_INTERNAL_H |
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#define OPENSSL_HEADER_HRSS_INTERNAL_H |
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#include <openssl/base.h> |
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#include "../internal.h" |
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#if defined(__cplusplus) |
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extern "C" { |
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#endif |
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#define N 701 |
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#define BITS_PER_WORD (sizeof(crypto_word_t) * 8) |
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#define WORDS_PER_POLY ((N + BITS_PER_WORD - 1) / BITS_PER_WORD) |
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#define BITS_IN_LAST_WORD (N % BITS_PER_WORD) |
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struct poly2 { |
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crypto_word_t v[WORDS_PER_POLY]; |
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}; |
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struct poly3 { |
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struct poly2 s, a; |
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}; |
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OPENSSL_EXPORT void HRSS_poly3_mul(struct poly3 *out, const struct poly3 *x, |
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const struct poly3 *y); |
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OPENSSL_EXPORT void HRSS_poly3_invert(struct poly3 *out, |
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const struct poly3 *in); |
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// On x86-64, we can use the AVX2 code from [HRSS]. (The authors have given |
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// explicit permission for this and signed a CLA.) However it's 57KB of object |
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// code, so it's not used if |OPENSSL_SMALL| is defined. |
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#if !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_SMALL) && \ |
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defined(OPENSSL_X86_64) && defined(OPENSSL_LINUX) |
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#define POLY_RQ_MUL_ASM |
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// POLY_MUL_RQ_SCRATCH_SPACE is the number of bytes of scratch space needed |
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// by the assembly function poly_Rq_mul. |
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#define POLY_MUL_RQ_SCRATCH_SPACE (6144 + 6144 + 12288 + 512 + 9408 + 32) |
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// poly_Rq_mul is defined in assembly. Inputs and outputs must be 16-byte- |
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// aligned. |
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extern void poly_Rq_mul( |
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uint16_t r[N + 3], const uint16_t a[N + 3], const uint16_t b[N + 3], |
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// The following should be `scratch[POLY_MUL_RQ_SCRATCH_SPACE]` but |
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// GCC 11.1 has a bug with unions that breaks that. |
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uint8_t scratch[]); |
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#endif |
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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_HRSS_INTERNAL_H
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