2 * \file pk_internal.h
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4 * \brief Public Key abstraction layer: wrapper functions
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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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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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14 * http://www.apache.org/licenses/LICENSE-2.0
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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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22 * This file is part of mbed TLS (https://tls.mbed.org)
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25 #ifndef MBEDTLS_PK_WRAP_H
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26 #define MBEDTLS_PK_WRAP_H
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28 #if !defined(MBEDTLS_CONFIG_FILE)
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31 #include MBEDTLS_CONFIG_FILE
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36 struct mbedtls_pk_info_t
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38 /** Public key type */
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39 mbedtls_pk_type_t type;
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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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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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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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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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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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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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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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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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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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92 /** Allocate a new context */
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93 void * (*ctx_alloc_func)( void );
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95 /** Free the given context */
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96 void (*ctx_free_func)( void *ctx );
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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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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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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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110 #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
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111 /* Container for RSA-alt */
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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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121 #if defined(MBEDTLS_RSA_C)
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122 extern const mbedtls_pk_info_t mbedtls_rsa_info;
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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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130 #if defined(MBEDTLS_ECDSA_C)
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131 extern const mbedtls_pk_info_t mbedtls_ecdsa_info;
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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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138 #if defined(MBEDTLS_USE_PSA_CRYPTO)
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139 extern const mbedtls_pk_info_t mbedtls_pk_opaque_info;
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142 #endif /* MBEDTLS_PK_WRAP_H */
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