d76a26e086
Keep applying the windows entropy patch (UWP support).
Remove no longer needed padlock patch.
Update thirdparty README to reflect changes, and new source inclusion
criteria.
(cherry picked from commit e375cbd094)
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/**
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* \file constant_time_invasive.h
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*
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* \brief Constant-time module: interfaces for invasive testing only.
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*
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* The interfaces in this file are intended for testing purposes only.
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* They SHOULD NOT be made available in library integrations except when
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* building the library for testing.
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBEDTLS_CONSTANT_TIME_INVASIVE_H
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#define MBEDTLS_CONSTANT_TIME_INVASIVE_H
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#include "common.h"
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#if defined(MBEDTLS_TEST_HOOKS)
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/** Turn a value into a mask:
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* - if \p low <= \p c <= \p high,
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* return the all-bits 1 mask, aka (unsigned) -1
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* - otherwise, return the all-bits 0 mask, aka 0
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*
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* \param low The value to analyze.
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* \param high The value to analyze.
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* \param c The value to analyze.
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*
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* \return All-bits-one if \p low <= \p c <= \p high, otherwise zero.
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*/
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unsigned char mbedtls_ct_uchar_mask_of_range( unsigned char low,
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unsigned char high,
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unsigned char c );
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#endif /* MBEDTLS_TEST_HOOKS */
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#endif /* MBEDTLS_CONSTANT_TIME_INVASIVE_H */
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