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As a result, the copyright of contributors other than Arm is now
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source files.
Also remove the now-redundant lines declaring that the files are part of
MbedTLS.
This commit was generated using the following script:
# ========================
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find '(' -path './.git' -o -path './3rdparty' ')' -prune -o -type f -print | xargs sed -bi '
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# ========================
Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
172 lines
6.4 KiB
C
172 lines
6.4 KiB
C
/**
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* \file pem.h
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*
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* \brief Privacy Enhanced Mail (PEM) decoding
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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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* This file is provided under the Apache License 2.0, or the
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* GNU General Public License v2.0 or later.
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*
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* **********
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* Apache License 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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* **********
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*
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* **********
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* GNU General Public License v2.0 or later:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* **********
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*/
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#ifndef MBEDTLS_PEM_H
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#define MBEDTLS_PEM_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include <stddef.h>
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/**
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* \name PEM Error codes
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* These error codes are returned in case of errors reading the
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* PEM data.
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* \{
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*/
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#define MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT -0x1080 /**< No PEM header or footer found. */
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#define MBEDTLS_ERR_PEM_INVALID_DATA -0x1100 /**< PEM string is not as expected. */
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#define MBEDTLS_ERR_PEM_ALLOC_FAILED -0x1180 /**< Failed to allocate memory. */
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#define MBEDTLS_ERR_PEM_INVALID_ENC_IV -0x1200 /**< RSA IV is not in hex-format. */
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#define MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG -0x1280 /**< Unsupported key encryption algorithm. */
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#define MBEDTLS_ERR_PEM_PASSWORD_REQUIRED -0x1300 /**< Private key password can't be empty. */
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#define MBEDTLS_ERR_PEM_PASSWORD_MISMATCH -0x1380 /**< Given private key password does not allow for correct decryption. */
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#define MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE -0x1400 /**< Unavailable feature, e.g. hashing/encryption combination. */
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#define MBEDTLS_ERR_PEM_BAD_INPUT_DATA -0x1480 /**< Bad input parameters to function. */
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/* \} name */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(MBEDTLS_PEM_PARSE_C)
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/**
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* \brief PEM context structure
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*/
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typedef struct mbedtls_pem_context
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{
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unsigned char *buf; /*!< buffer for decoded data */
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size_t buflen; /*!< length of the buffer */
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unsigned char *info; /*!< buffer for extra header information */
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}
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mbedtls_pem_context;
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/**
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* \brief PEM context setup
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*
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* \param ctx context to be initialized
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*/
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void mbedtls_pem_init( mbedtls_pem_context *ctx );
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/**
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* \brief Read a buffer for PEM information and store the resulting
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* data into the specified context buffers.
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*
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* \param ctx context to use
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* \param header header string to seek and expect
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* \param footer footer string to seek and expect
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* \param data source data to look in (must be nul-terminated)
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* \param pwd password for decryption (can be NULL)
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* \param pwdlen length of password
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* \param use_len destination for total length used (set after header is
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* correctly read, so unless you get
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* MBEDTLS_ERR_PEM_BAD_INPUT_DATA or
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* MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT, use_len is
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* the length to skip)
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*
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* \note Attempts to check password correctness by verifying if
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* the decrypted text starts with an ASN.1 sequence of
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* appropriate length
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*
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* \return 0 on success, or a specific PEM error code
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*/
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int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const char *footer,
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const unsigned char *data,
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const unsigned char *pwd,
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size_t pwdlen, size_t *use_len );
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/**
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* \brief PEM context memory freeing
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*
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* \param ctx context to be freed
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*/
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void mbedtls_pem_free( mbedtls_pem_context *ctx );
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#endif /* MBEDTLS_PEM_PARSE_C */
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#if defined(MBEDTLS_PEM_WRITE_C)
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/**
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* \brief Write a buffer of PEM information from a DER encoded
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* buffer.
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*
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* \param header The header string to write.
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* \param footer The footer string to write.
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* \param der_data The DER data to encode.
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* \param der_len The length of the DER data \p der_data in Bytes.
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* \param buf The buffer to write to.
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* \param buf_len The length of the output buffer \p buf in Bytes.
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* \param olen The address at which to store the total length written
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* or required (if \p buf_len is not enough).
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*
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* \note You may pass \c NULL for \p buf and \c 0 for \p buf_len
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* to request the length of the resulting PEM buffer in
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* `*olen`.
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*
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* \note This function may be called with overlapping \p der_data
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* and \p buf buffers.
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*
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* \return \c 0 on success.
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* \return #MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL if \p buf isn't large
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* enough to hold the PEM buffer. In this case, `*olen` holds
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* the required minimum size of \p buf.
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* \return Another PEM or BASE64 error code on other kinds of failure.
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*/
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int mbedtls_pem_write_buffer( const char *header, const char *footer,
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const unsigned char *der_data, size_t der_len,
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unsigned char *buf, size_t buf_len, size_t *olen );
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#endif /* MBEDTLS_PEM_WRITE_C */
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#ifdef __cplusplus
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}
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#endif
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#endif /* pem.h */
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