1 | /**
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2 | * \file pk_internal.h
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3 | *
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4 | * \brief Public Key abstraction layer: wrapper functions
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5 | */
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6 | /*
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7 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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8 | * SPDX-License-Identifier: Apache-2.0
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9 | *
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10 | * Licensed under the Apache License, Version 2.0 (the "License"); you may
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11 | * not use this file except in compliance with the License.
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12 | * You may obtain a copy of the License at
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13 | *
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14 | * http://www.apache.org/licenses/LICENSE-2.0
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15 | *
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16 | * Unless required by applicable law or agreed to in writing, software
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17 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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18 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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19 | * See the License for the specific language governing permissions and
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20 | * limitations under the License.
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21 | *
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22 | * This file is part of mbed TLS (https://tls.mbed.org)
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23 | */
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24 |
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25 | #ifndef MBEDTLS_PK_WRAP_H
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26 | #define MBEDTLS_PK_WRAP_H
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27 |
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28 | #if !defined(MBEDTLS_CONFIG_FILE)
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29 | #include "config.h"
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30 | #else
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31 | #include MBEDTLS_CONFIG_FILE
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32 | #endif
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33 |
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34 | #include "pk.h"
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35 |
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36 | struct mbedtls_pk_info_t
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37 | {
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38 | /** Public key type */
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39 | mbedtls_pk_type_t type;
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40 |
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41 | /** Type name */
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42 | const char *name;
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43 |
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44 | /** Get key size in bits */
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45 | size_t (*get_bitlen)( const void * );
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46 |
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47 | /** Tell if the context implements this type (e.g. ECKEY can do ECDSA) */
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48 | int (*can_do)( mbedtls_pk_type_t type );
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49 |
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50 | /** Verify signature */
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51 | int (*verify_func)( void *ctx, mbedtls_md_type_t md_alg,
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52 | const unsigned char *hash, size_t hash_len,
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53 | const unsigned char *sig, size_t sig_len );
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54 |
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55 | /** Make signature */
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56 | int (*sign_func)( void *ctx, mbedtls_md_type_t md_alg,
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57 | const unsigned char *hash, size_t hash_len,
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58 | unsigned char *sig, size_t *sig_len,
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59 | int (*f_rng)(void *, unsigned char *, size_t),
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60 | void *p_rng );
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61 |
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62 | #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
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63 | /** Verify signature (restartable) */
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64 | int (*verify_rs_func)( void *ctx, mbedtls_md_type_t md_alg,
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65 | const unsigned char *hash, size_t hash_len,
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66 | const unsigned char *sig, size_t sig_len,
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67 | void *rs_ctx );
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68 |
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69 | /** Make signature (restartable) */
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70 | int (*sign_rs_func)( void *ctx, mbedtls_md_type_t md_alg,
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71 | const unsigned char *hash, size_t hash_len,
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72 | unsigned char *sig, size_t *sig_len,
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73 | int (*f_rng)(void *, unsigned char *, size_t),
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74 | void *p_rng, void *rs_ctx );
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75 | #endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
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76 |
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77 | /** Decrypt message */
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78 | int (*decrypt_func)( void *ctx, const unsigned char *input, size_t ilen,
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79 | unsigned char *output, size_t *olen, size_t osize,
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80 | int (*f_rng)(void *, unsigned char *, size_t),
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81 | void *p_rng );
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82 |
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83 | /** Encrypt message */
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84 | int (*encrypt_func)( void *ctx, const unsigned char *input, size_t ilen,
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85 | unsigned char *output, size_t *olen, size_t osize,
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86 | int (*f_rng)(void *, unsigned char *, size_t),
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87 | void *p_rng );
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88 |
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89 | /** Check public-private key pair */
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90 | int (*check_pair_func)( const void *pub, const void *prv );
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91 |
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92 | /** Allocate a new context */
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93 | void * (*ctx_alloc_func)( void );
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94 |
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95 | /** Free the given context */
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96 | void (*ctx_free_func)( void *ctx );
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97 |
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98 | #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
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99 | /** Allocate the restart context */
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100 | void * (*rs_alloc_func)( void );
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101 |
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102 | /** Free the restart context */
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103 | void (*rs_free_func)( void *rs_ctx );
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104 | #endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
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105 |
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106 | /** Interface with the debug module */
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107 | void (*debug_func)( const void *ctx, mbedtls_pk_debug_item *items );
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108 |
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109 | };
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110 | #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
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111 | /* Container for RSA-alt */
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112 | typedef struct
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113 | {
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114 | void *key;
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115 | mbedtls_pk_rsa_alt_decrypt_func decrypt_func;
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116 | mbedtls_pk_rsa_alt_sign_func sign_func;
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117 | mbedtls_pk_rsa_alt_key_len_func key_len_func;
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118 | } mbedtls_rsa_alt_context;
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119 | #endif
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120 |
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121 | #if defined(MBEDTLS_RSA_C)
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122 | extern const mbedtls_pk_info_t mbedtls_rsa_info;
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123 | #endif
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124 |
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125 | #if defined(MBEDTLS_ECP_C)
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126 | extern const mbedtls_pk_info_t mbedtls_eckey_info;
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127 | extern const mbedtls_pk_info_t mbedtls_eckeydh_info;
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128 | #endif
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129 |
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130 | #if defined(MBEDTLS_ECDSA_C)
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131 | extern const mbedtls_pk_info_t mbedtls_ecdsa_info;
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132 | #endif
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133 |
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134 | #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
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135 | extern const mbedtls_pk_info_t mbedtls_rsa_alt_info;
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136 | #endif
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137 |
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138 | #endif /* MBEDTLS_PK_WRAP_H */
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