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			As a result, the copyright of contributors other than Arm is now
acknowledged, and the years of publishing are no longer tracked in the
source files.
Also remove the now-redundant lines declaring that the files are part of
MbedTLS.
This commit was generated using the following script:
# ========================
#!/bin/sh
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# Replace copyright attribution line
s/Copyright.*Arm.*/Copyright The Mbed TLS Contributors/I
# Remove redundant declaration and the preceding line
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# ========================
Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
		
	
			
		
			
				
	
	
		
			145 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			145 lines
		
	
	
		
			5.4 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
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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_PEM_H
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| #define MBEDTLS_PEM_H
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| 
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| #if !defined(MBEDTLS_CONFIG_FILE)
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| #include "mbedtls/config.h"
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| #else
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| #include MBEDTLS_CONFIG_FILE
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| #endif
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| 
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| #include <stddef.h>
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| 
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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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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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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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| /**
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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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| /**
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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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| /**
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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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| 
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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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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif /* pem.h */
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