mbedtls/library/base64_invasive.h
Gilles Peskine 16c2102de2 Fix copypasta in #endif comment
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-11-03 18:28:40 +01:00

56 lines
1.9 KiB
C

/**
* \file base_invasive.h
*
* \brief Base64 module: interfaces for invasive testing only.
*
* The interfaces in this file are intended for testing purposes only.
* They SHOULD NOT be made available in library integrations except when
* building the library for testing.
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBEDTLS_BASE64_INVASIVE_H
#define MBEDTLS_BASE64_INVASIVE_H
#include "common.h"
#if defined(MBEDTLS_TEST_HOOKS)
/* Return 0xff if low <= c <= high, 0 otherwise.
*
* Constant flow with respect to c.
*/
unsigned char mbedtls_base64_mask_of_range( unsigned char low,
unsigned char high,
unsigned char c );
/* Given a value in the range 0..63, return the corresponding Base64 digit.
*
* Operates in constant time (no branches or memory access depending on val).
*/
unsigned char mbedtls_base64_enc_char( unsigned char val );
/* Given a Base64 digit, return its value.
* If c is not a Base64 digit ('A'..'Z', 'a'..'z', '0'..'9', '+' or '/'),
* return -1.
*
* Operates in constant time (no branches or memory access depending on c).
*/
signed char mbedtls_base64_dec_value( unsigned char c );
#endif /* MBEDTLS_TEST_HOOKS */
#endif /* MBEDTLS_BASE64_INVASIVE_H */