4 * \brief Wrapper for PKCS#11 library libpkcs11-helper
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6 * \author Adriaan de Jong <dejong@fox-it.com>
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9 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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10 * SPDX-License-Identifier: Apache-2.0
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12 * Licensed under the Apache License, Version 2.0 (the "License"); you may
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13 * not use this file except in compliance with the License.
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14 * You may obtain a copy of the License at
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16 * http://www.apache.org/licenses/LICENSE-2.0
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18 * Unless required by applicable law or agreed to in writing, software
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19 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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21 * See the License for the specific language governing permissions and
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22 * limitations under the License.
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24 * This file is part of mbed TLS (https://tls.mbed.org)
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26 #ifndef MBEDTLS_PKCS11_H
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27 #define MBEDTLS_PKCS11_H
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29 #if !defined(MBEDTLS_CONFIG_FILE)
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32 #include MBEDTLS_CONFIG_FILE
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35 #if defined(MBEDTLS_PKCS11_C)
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37 #include "x509_crt.h"
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39 #include <pkcs11-helper-1.0/pkcs11h-certificate.h>
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41 #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
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42 !defined(inline) && !defined(__cplusplus)
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43 #define inline __inline
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51 * Context for PKCS #11 private keys.
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53 typedef struct mbedtls_pkcs11_context
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55 pkcs11h_certificate_t pkcs11h_cert;
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57 } mbedtls_pkcs11_context;
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60 * Initialize a mbedtls_pkcs11_context.
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61 * (Just making memory references valid.)
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63 void mbedtls_pkcs11_init( mbedtls_pkcs11_context *ctx );
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66 * Fill in a mbed TLS certificate, based on the given PKCS11 helper certificate.
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68 * \param cert X.509 certificate to fill
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69 * \param pkcs11h_cert PKCS #11 helper certificate
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71 * \return 0 on success.
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73 int mbedtls_pkcs11_x509_cert_bind( mbedtls_x509_crt *cert, pkcs11h_certificate_t pkcs11h_cert );
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76 * Set up a mbedtls_pkcs11_context storing the given certificate. Note that the
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77 * mbedtls_pkcs11_context will take over control of the certificate, freeing it when
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80 * \param priv_key Private key structure to fill.
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81 * \param pkcs11_cert PKCS #11 helper certificate
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83 * \return 0 on success
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85 int mbedtls_pkcs11_priv_key_bind( mbedtls_pkcs11_context *priv_key,
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86 pkcs11h_certificate_t pkcs11_cert );
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89 * Free the contents of the given private key context. Note that the structure
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90 * itself is not freed.
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92 * \param priv_key Private key structure to cleanup
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94 void mbedtls_pkcs11_priv_key_free( mbedtls_pkcs11_context *priv_key );
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97 * \brief Do an RSA private key decrypt, then remove the message
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100 * \param ctx PKCS #11 context
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101 * \param mode must be MBEDTLS_RSA_PRIVATE, for compatibility with rsa.c's signature
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102 * \param input buffer holding the encrypted data
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103 * \param output buffer that will hold the plaintext
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104 * \param olen will contain the plaintext length
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105 * \param output_max_len maximum length of the output buffer
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107 * \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code
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109 * \note The output buffer must be as large as the size
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110 * of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
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111 * an error is thrown.
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113 int mbedtls_pkcs11_decrypt( mbedtls_pkcs11_context *ctx,
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114 int mode, size_t *olen,
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115 const unsigned char *input,
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116 unsigned char *output,
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117 size_t output_max_len );
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120 * \brief Do a private RSA to sign a message digest
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122 * \param ctx PKCS #11 context
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123 * \param mode must be MBEDTLS_RSA_PRIVATE, for compatibility with rsa.c's signature
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124 * \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data)
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125 * \param hashlen message digest length (for MBEDTLS_MD_NONE only)
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126 * \param hash buffer holding the message digest
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127 * \param sig buffer that will hold the ciphertext
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129 * \return 0 if the signing operation was successful,
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130 * or an MBEDTLS_ERR_RSA_XXX error code
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132 * \note The "sig" buffer must be as large as the size
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133 * of ctx->N (eg. 128 bytes if RSA-1024 is used).
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135 int mbedtls_pkcs11_sign( mbedtls_pkcs11_context *ctx,
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137 mbedtls_md_type_t md_alg,
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138 unsigned int hashlen,
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139 const unsigned char *hash,
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140 unsigned char *sig );
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143 * SSL/TLS wrappers for PKCS#11 functions
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145 static inline int mbedtls_ssl_pkcs11_decrypt( void *ctx, int mode, size_t *olen,
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146 const unsigned char *input, unsigned char *output,
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147 size_t output_max_len )
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149 return mbedtls_pkcs11_decrypt( (mbedtls_pkcs11_context *) ctx, mode, olen, input, output,
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153 static inline int mbedtls_ssl_pkcs11_sign( void *ctx,
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154 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
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155 int mode, mbedtls_md_type_t md_alg, unsigned int hashlen,
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156 const unsigned char *hash, unsigned char *sig )
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160 return mbedtls_pkcs11_sign( (mbedtls_pkcs11_context *) ctx, mode, md_alg,
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161 hashlen, hash, sig );
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164 static inline size_t mbedtls_ssl_pkcs11_key_len( void *ctx )
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166 return ( (mbedtls_pkcs11_context *) ctx )->len;
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173 #endif /* MBEDTLS_PKCS11_C */
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175 #endif /* MBEDTLS_PKCS11_H */
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