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46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/**
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* \file base64_internal.h
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*
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* \brief RFC 1521 base64 encoding/decoding: interfaces for invasive 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 OR GPL-2.0-or-later
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*/
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#ifndef MBEDTLS_BASE64_INTERNAL
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#define MBEDTLS_BASE64_INTERNAL
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#include "common.h"
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#if defined(MBEDTLS_TEST_HOOKS)
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/** Given a value in the range 0..63, return the corresponding Base64 digit.
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*
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* The implementation assumes that letters are consecutive (e.g. ASCII
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* but not EBCDIC).
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*
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* \param value A value in the range 0..63.
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*
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* \return A base64 digit converted from \p value.
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*/
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unsigned char mbedtls_ct_base64_enc_char(unsigned char value);
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/** Given a Base64 digit, return its value.
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*
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* If c is not a Base64 digit ('A'..'Z', 'a'..'z', '0'..'9', '+' or '/'),
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* return -1.
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*
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* The implementation assumes that letters are consecutive (e.g. ASCII
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* but not EBCDIC).
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*
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* \param c A base64 digit.
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*
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* \return The value of the base64 digit \p c.
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*/
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signed char mbedtls_ct_base64_dec_value(unsigned char c);
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#endif /* MBEDTLS_TEST_HOOKS */
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#endif /* MBEDTLS_BASE64_INTERNAL */
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