67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
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/* MIT License
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*
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* Copyright (c) 2016-2017 INRIA and Microsoft Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "Hacl_Policies.h"
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uint8_t Hacl_Policies_declassify_u8(uint8_t x)
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{
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return x;
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}
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uint32_t Hacl_Policies_declassify_u32(uint32_t x)
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{
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return x;
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}
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uint64_t Hacl_Policies_declassify_u64(uint64_t x)
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{
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return x;
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}
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FStar_UInt128_t Hacl_Policies_declassify_u128(FStar_UInt128_t x)
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{
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return x;
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}
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uint8_t Hacl_Policies_cmp_bytes_(uint8_t *b1, uint8_t *b2, uint32_t len, uint8_t *tmp)
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{
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for (uint32_t i = (uint32_t)0U; i < len; i = i + (uint32_t)1U)
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{
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uint8_t bi1 = b1[i];
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uint8_t bi2 = b2[i];
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uint8_t z0 = tmp[0U];
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tmp[0U] = FStar_UInt8_eq_mask(bi1, bi2) & z0;
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}
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return tmp[0U];
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}
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uint8_t Hacl_Policies_cmp_bytes(uint8_t *b1, uint8_t *b2, uint32_t len)
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{
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uint8_t tmp[1U];
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tmp[0U] = (uint8_t)255U;
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uint8_t z = Hacl_Policies_cmp_bytes_(b1, b2, len, tmp);
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return ~z;
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}
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