| /** |
| * \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 */ |