Hannes Tschofenig
/
aes-gcm-test-program
Example program to test AES-GCM functionality. Used for a workshop
SSL/include/polarssl/ecdsa.h@0:796d0f61a05b, 2018-09-27 (annotated)
- Committer:
- HannesTschofenig
- Date:
- Thu Sep 27 06:34:22 2018 +0000
- Revision:
- 0:796d0f61a05b
Example AES-GCM test program
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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HannesTschofenig | 0:796d0f61a05b | 1 | /** |
HannesTschofenig | 0:796d0f61a05b | 2 | * \file ecdsa.h |
HannesTschofenig | 0:796d0f61a05b | 3 | * |
HannesTschofenig | 0:796d0f61a05b | 4 | * \brief Elliptic curve DSA |
HannesTschofenig | 0:796d0f61a05b | 5 | * |
HannesTschofenig | 0:796d0f61a05b | 6 | * Copyright (C) 2006-2013, Brainspark B.V. |
HannesTschofenig | 0:796d0f61a05b | 7 | * |
HannesTschofenig | 0:796d0f61a05b | 8 | * This file is part of PolarSSL (http://www.polarssl.org) |
HannesTschofenig | 0:796d0f61a05b | 9 | * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> |
HannesTschofenig | 0:796d0f61a05b | 10 | * |
HannesTschofenig | 0:796d0f61a05b | 11 | * All rights reserved. |
HannesTschofenig | 0:796d0f61a05b | 12 | * |
HannesTschofenig | 0:796d0f61a05b | 13 | * This program is free software; you can redistribute it and/or modify |
HannesTschofenig | 0:796d0f61a05b | 14 | * it under the terms of the GNU General Public License as published by |
HannesTschofenig | 0:796d0f61a05b | 15 | * the Free Software Foundation; either version 2 of the License, or |
HannesTschofenig | 0:796d0f61a05b | 16 | * (at your option) any later version. |
HannesTschofenig | 0:796d0f61a05b | 17 | * |
HannesTschofenig | 0:796d0f61a05b | 18 | * This program is distributed in the hope that it will be useful, |
HannesTschofenig | 0:796d0f61a05b | 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
HannesTschofenig | 0:796d0f61a05b | 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
HannesTschofenig | 0:796d0f61a05b | 21 | * GNU General Public License for more details. |
HannesTschofenig | 0:796d0f61a05b | 22 | * |
HannesTschofenig | 0:796d0f61a05b | 23 | * You should have received a copy of the GNU General Public License along |
HannesTschofenig | 0:796d0f61a05b | 24 | * with this program; if not, write to the Free Software Foundation, Inc., |
HannesTschofenig | 0:796d0f61a05b | 25 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
HannesTschofenig | 0:796d0f61a05b | 26 | */ |
HannesTschofenig | 0:796d0f61a05b | 27 | #ifndef POLARSSL_ECDSA_H |
HannesTschofenig | 0:796d0f61a05b | 28 | #define POLARSSL_ECDSA_H |
HannesTschofenig | 0:796d0f61a05b | 29 | |
HannesTschofenig | 0:796d0f61a05b | 30 | #include "ecp.h" |
HannesTschofenig | 0:796d0f61a05b | 31 | |
HannesTschofenig | 0:796d0f61a05b | 32 | #if defined(POLARSSL_ECDSA_DETERMINISTIC) |
HannesTschofenig | 0:796d0f61a05b | 33 | #include "md.h" |
HannesTschofenig | 0:796d0f61a05b | 34 | #endif |
HannesTschofenig | 0:796d0f61a05b | 35 | |
HannesTschofenig | 0:796d0f61a05b | 36 | /** |
HannesTschofenig | 0:796d0f61a05b | 37 | * \brief ECDSA context structure |
HannesTschofenig | 0:796d0f61a05b | 38 | * |
HannesTschofenig | 0:796d0f61a05b | 39 | * \note Purposefully begins with the same members as struct ecp_keypair. |
HannesTschofenig | 0:796d0f61a05b | 40 | */ |
HannesTschofenig | 0:796d0f61a05b | 41 | typedef struct |
HannesTschofenig | 0:796d0f61a05b | 42 | { |
HannesTschofenig | 0:796d0f61a05b | 43 | ecp_group grp; /*!< ellipitic curve used */ |
HannesTschofenig | 0:796d0f61a05b | 44 | mpi d; /*!< secret signature key */ |
HannesTschofenig | 0:796d0f61a05b | 45 | ecp_point Q; /*!< public signature key */ |
HannesTschofenig | 0:796d0f61a05b | 46 | mpi r; /*!< first integer from signature */ |
HannesTschofenig | 0:796d0f61a05b | 47 | mpi s; /*!< second integer from signature */ |
HannesTschofenig | 0:796d0f61a05b | 48 | } |
HannesTschofenig | 0:796d0f61a05b | 49 | ecdsa_context; |
HannesTschofenig | 0:796d0f61a05b | 50 | |
HannesTschofenig | 0:796d0f61a05b | 51 | #ifdef __cplusplus |
HannesTschofenig | 0:796d0f61a05b | 52 | extern "C" { |
HannesTschofenig | 0:796d0f61a05b | 53 | #endif |
HannesTschofenig | 0:796d0f61a05b | 54 | |
HannesTschofenig | 0:796d0f61a05b | 55 | /** |
HannesTschofenig | 0:796d0f61a05b | 56 | * \brief Compute ECDSA signature of a previously hashed message |
HannesTschofenig | 0:796d0f61a05b | 57 | * |
HannesTschofenig | 0:796d0f61a05b | 58 | * \param grp ECP group |
HannesTschofenig | 0:796d0f61a05b | 59 | * \param r First output integer |
HannesTschofenig | 0:796d0f61a05b | 60 | * \param s Second output integer |
HannesTschofenig | 0:796d0f61a05b | 61 | * \param d Private signing key |
HannesTschofenig | 0:796d0f61a05b | 62 | * \param buf Message hash |
HannesTschofenig | 0:796d0f61a05b | 63 | * \param blen Length of buf |
HannesTschofenig | 0:796d0f61a05b | 64 | * \param f_rng RNG function |
HannesTschofenig | 0:796d0f61a05b | 65 | * \param p_rng RNG parameter |
HannesTschofenig | 0:796d0f61a05b | 66 | * |
HannesTschofenig | 0:796d0f61a05b | 67 | * \return 0 if successful, |
HannesTschofenig | 0:796d0f61a05b | 68 | * or a POLARSSL_ERR_ECP_XXX or POLARSSL_MPI_XXX error code |
HannesTschofenig | 0:796d0f61a05b | 69 | */ |
HannesTschofenig | 0:796d0f61a05b | 70 | int ecdsa_sign( ecp_group *grp, mpi *r, mpi *s, |
HannesTschofenig | 0:796d0f61a05b | 71 | const mpi *d, const unsigned char *buf, size_t blen, |
HannesTschofenig | 0:796d0f61a05b | 72 | int (*f_rng)(void *, unsigned char *, size_t), void *p_rng ); |
HannesTschofenig | 0:796d0f61a05b | 73 | |
HannesTschofenig | 0:796d0f61a05b | 74 | #if defined(POLARSSL_ECDSA_DETERMINISTIC) |
HannesTschofenig | 0:796d0f61a05b | 75 | /** |
HannesTschofenig | 0:796d0f61a05b | 76 | * \brief Compute ECDSA signature of a previously hashed message |
HannesTschofenig | 0:796d0f61a05b | 77 | * (deterministic version) |
HannesTschofenig | 0:796d0f61a05b | 78 | * |
HannesTschofenig | 0:796d0f61a05b | 79 | * \param grp ECP group |
HannesTschofenig | 0:796d0f61a05b | 80 | * \param r First output integer |
HannesTschofenig | 0:796d0f61a05b | 81 | * \param s Second output integer |
HannesTschofenig | 0:796d0f61a05b | 82 | * \param d Private signing key |
HannesTschofenig | 0:796d0f61a05b | 83 | * \param buf Message hash |
HannesTschofenig | 0:796d0f61a05b | 84 | * \param blen Length of buf |
HannesTschofenig | 0:796d0f61a05b | 85 | * \param md_alg MD algorithm used to hash the message |
HannesTschofenig | 0:796d0f61a05b | 86 | * |
HannesTschofenig | 0:796d0f61a05b | 87 | * \return 0 if successful, |
HannesTschofenig | 0:796d0f61a05b | 88 | * or a POLARSSL_ERR_ECP_XXX or POLARSSL_MPI_XXX error code |
HannesTschofenig | 0:796d0f61a05b | 89 | */ |
HannesTschofenig | 0:796d0f61a05b | 90 | int ecdsa_sign_det( ecp_group *grp, mpi *r, mpi *s, |
HannesTschofenig | 0:796d0f61a05b | 91 | const mpi *d, const unsigned char *buf, size_t blen, |
HannesTschofenig | 0:796d0f61a05b | 92 | md_type_t md_alg ); |
HannesTschofenig | 0:796d0f61a05b | 93 | #endif /* POLARSSL_ECDSA_DETERMINISTIC */ |
HannesTschofenig | 0:796d0f61a05b | 94 | |
HannesTschofenig | 0:796d0f61a05b | 95 | /** |
HannesTschofenig | 0:796d0f61a05b | 96 | * \brief Verify ECDSA signature of a previously hashed message |
HannesTschofenig | 0:796d0f61a05b | 97 | * |
HannesTschofenig | 0:796d0f61a05b | 98 | * \param grp ECP group |
HannesTschofenig | 0:796d0f61a05b | 99 | * \param buf Message hash |
HannesTschofenig | 0:796d0f61a05b | 100 | * \param blen Length of buf |
HannesTschofenig | 0:796d0f61a05b | 101 | * \param Q Public key to use for verification |
HannesTschofenig | 0:796d0f61a05b | 102 | * \param r First integer of the signature |
HannesTschofenig | 0:796d0f61a05b | 103 | * \param s Second integer of the signature |
HannesTschofenig | 0:796d0f61a05b | 104 | * |
HannesTschofenig | 0:796d0f61a05b | 105 | * \return 0 if successful, |
HannesTschofenig | 0:796d0f61a05b | 106 | * POLARSSL_ERR_ECP_BAD_INPUT_DATA if signature is invalid |
HannesTschofenig | 0:796d0f61a05b | 107 | * or a POLARSSL_ERR_ECP_XXX or POLARSSL_MPI_XXX error code |
HannesTschofenig | 0:796d0f61a05b | 108 | */ |
HannesTschofenig | 0:796d0f61a05b | 109 | int ecdsa_verify( ecp_group *grp, |
HannesTschofenig | 0:796d0f61a05b | 110 | const unsigned char *buf, size_t blen, |
HannesTschofenig | 0:796d0f61a05b | 111 | const ecp_point *Q, const mpi *r, const mpi *s); |
HannesTschofenig | 0:796d0f61a05b | 112 | |
HannesTschofenig | 0:796d0f61a05b | 113 | /** |
HannesTschofenig | 0:796d0f61a05b | 114 | * \brief Compute ECDSA signature and write it to buffer, |
HannesTschofenig | 0:796d0f61a05b | 115 | * serialized as defined in RFC 4492 page 20. |
HannesTschofenig | 0:796d0f61a05b | 116 | * (Not thread-safe to use same context in multiple threads) |
HannesTschofenig | 0:796d0f61a05b | 117 | * |
HannesTschofenig | 0:796d0f61a05b | 118 | * \param ctx ECDSA context |
HannesTschofenig | 0:796d0f61a05b | 119 | * \param hash Message hash |
HannesTschofenig | 0:796d0f61a05b | 120 | * \param hlen Length of hash |
HannesTschofenig | 0:796d0f61a05b | 121 | * \param sig Buffer that will hold the signature |
HannesTschofenig | 0:796d0f61a05b | 122 | * \param slen Length of the signature written |
HannesTschofenig | 0:796d0f61a05b | 123 | * \param f_rng RNG function |
HannesTschofenig | 0:796d0f61a05b | 124 | * \param p_rng RNG parameter |
HannesTschofenig | 0:796d0f61a05b | 125 | * |
HannesTschofenig | 0:796d0f61a05b | 126 | * \note The "sig" buffer must be at least as large as twice the |
HannesTschofenig | 0:796d0f61a05b | 127 | * size of the curve used, plus 7 (eg. 71 bytes if a 256-bit |
HannesTschofenig | 0:796d0f61a05b | 128 | * curve is used). |
HannesTschofenig | 0:796d0f61a05b | 129 | * |
HannesTschofenig | 0:796d0f61a05b | 130 | * \return 0 if successful, |
HannesTschofenig | 0:796d0f61a05b | 131 | * or a POLARSSL_ERR_ECP, POLARSSL_ERR_MPI or |
HannesTschofenig | 0:796d0f61a05b | 132 | * POLARSSL_ERR_ASN1 error code |
HannesTschofenig | 0:796d0f61a05b | 133 | */ |
HannesTschofenig | 0:796d0f61a05b | 134 | int ecdsa_write_signature( ecdsa_context *ctx, |
HannesTschofenig | 0:796d0f61a05b | 135 | const unsigned char *hash, size_t hlen, |
HannesTschofenig | 0:796d0f61a05b | 136 | unsigned char *sig, size_t *slen, |
HannesTschofenig | 0:796d0f61a05b | 137 | int (*f_rng)(void *, unsigned char *, size_t), |
HannesTschofenig | 0:796d0f61a05b | 138 | void *p_rng ); |
HannesTschofenig | 0:796d0f61a05b | 139 | |
HannesTschofenig | 0:796d0f61a05b | 140 | #if defined(POLARSSL_ECDSA_DETERMINISTIC) |
HannesTschofenig | 0:796d0f61a05b | 141 | /** |
HannesTschofenig | 0:796d0f61a05b | 142 | * \brief Compute ECDSA signature and write it to buffer, |
HannesTschofenig | 0:796d0f61a05b | 143 | * serialized as defined in RFC 4492 page 20. |
HannesTschofenig | 0:796d0f61a05b | 144 | * Deterministic version, RFC 6979. |
HannesTschofenig | 0:796d0f61a05b | 145 | * (Not thread-safe to use same context in multiple threads) |
HannesTschofenig | 0:796d0f61a05b | 146 | * |
HannesTschofenig | 0:796d0f61a05b | 147 | * \param ctx ECDSA context |
HannesTschofenig | 0:796d0f61a05b | 148 | * \param hash Message hash |
HannesTschofenig | 0:796d0f61a05b | 149 | * \param hlen Length of hash |
HannesTschofenig | 0:796d0f61a05b | 150 | * \param sig Buffer that will hold the signature |
HannesTschofenig | 0:796d0f61a05b | 151 | * \param slen Length of the signature written |
HannesTschofenig | 0:796d0f61a05b | 152 | * \param md_alg MD algorithm used to hash the message |
HannesTschofenig | 0:796d0f61a05b | 153 | * |
HannesTschofenig | 0:796d0f61a05b | 154 | * \note The "sig" buffer must be at least as large as twice the |
HannesTschofenig | 0:796d0f61a05b | 155 | * size of the curve used, plus 7 (eg. 71 bytes if a 256-bit |
HannesTschofenig | 0:796d0f61a05b | 156 | * curve is used). |
HannesTschofenig | 0:796d0f61a05b | 157 | * |
HannesTschofenig | 0:796d0f61a05b | 158 | * \return 0 if successful, |
HannesTschofenig | 0:796d0f61a05b | 159 | * or a POLARSSL_ERR_ECP, POLARSSL_ERR_MPI or |
HannesTschofenig | 0:796d0f61a05b | 160 | * POLARSSL_ERR_ASN1 error code |
HannesTschofenig | 0:796d0f61a05b | 161 | */ |
HannesTschofenig | 0:796d0f61a05b | 162 | int ecdsa_write_signature_det( ecdsa_context *ctx, |
HannesTschofenig | 0:796d0f61a05b | 163 | const unsigned char *hash, size_t hlen, |
HannesTschofenig | 0:796d0f61a05b | 164 | unsigned char *sig, size_t *slen, |
HannesTschofenig | 0:796d0f61a05b | 165 | md_type_t md_alg ); |
HannesTschofenig | 0:796d0f61a05b | 166 | #endif /* POLARSSL_ECDSA_DETERMINISTIC */ |
HannesTschofenig | 0:796d0f61a05b | 167 | |
HannesTschofenig | 0:796d0f61a05b | 168 | /** |
HannesTschofenig | 0:796d0f61a05b | 169 | * \brief Read and verify an ECDSA signature |
HannesTschofenig | 0:796d0f61a05b | 170 | * |
HannesTschofenig | 0:796d0f61a05b | 171 | * \param ctx ECDSA context |
HannesTschofenig | 0:796d0f61a05b | 172 | * \param hash Message hash |
HannesTschofenig | 0:796d0f61a05b | 173 | * \param hlen Size of hash |
HannesTschofenig | 0:796d0f61a05b | 174 | * \param sig Signature to read and verify |
HannesTschofenig | 0:796d0f61a05b | 175 | * \param slen Size of sig |
HannesTschofenig | 0:796d0f61a05b | 176 | * |
HannesTschofenig | 0:796d0f61a05b | 177 | * \return 0 if successful, |
HannesTschofenig | 0:796d0f61a05b | 178 | * POLARSSL_ERR_ECP_BAD_INPUT_DATA if signature is invalid, |
HannesTschofenig | 0:796d0f61a05b | 179 | * POLARSSL_ERR_ECP_SIG_LEN_MISTMATCH if the signature is |
HannesTschofenig | 0:796d0f61a05b | 180 | * valid but its actual length is less than siglen, |
HannesTschofenig | 0:796d0f61a05b | 181 | * or a POLARSSL_ERR_ECP or POLARSSL_ERR_MPI error code |
HannesTschofenig | 0:796d0f61a05b | 182 | */ |
HannesTschofenig | 0:796d0f61a05b | 183 | int ecdsa_read_signature( ecdsa_context *ctx, |
HannesTschofenig | 0:796d0f61a05b | 184 | const unsigned char *hash, size_t hlen, |
HannesTschofenig | 0:796d0f61a05b | 185 | const unsigned char *sig, size_t slen ); |
HannesTschofenig | 0:796d0f61a05b | 186 | |
HannesTschofenig | 0:796d0f61a05b | 187 | /** |
HannesTschofenig | 0:796d0f61a05b | 188 | * \brief Generate an ECDSA keypair on the given curve |
HannesTschofenig | 0:796d0f61a05b | 189 | * |
HannesTschofenig | 0:796d0f61a05b | 190 | * \param ctx ECDSA context in which the keypair should be stored |
HannesTschofenig | 0:796d0f61a05b | 191 | * \param gid Group (elliptic curve) to use. One of the various |
HannesTschofenig | 0:796d0f61a05b | 192 | * POLARSSL_ECP_DP_XXX macros depending on configuration. |
HannesTschofenig | 0:796d0f61a05b | 193 | * \param f_rng RNG function |
HannesTschofenig | 0:796d0f61a05b | 194 | * \param p_rng RNG parameter |
HannesTschofenig | 0:796d0f61a05b | 195 | * |
HannesTschofenig | 0:796d0f61a05b | 196 | * \return 0 on success, or a POLARSSL_ERR_ECP code. |
HannesTschofenig | 0:796d0f61a05b | 197 | */ |
HannesTschofenig | 0:796d0f61a05b | 198 | int ecdsa_genkey( ecdsa_context *ctx, ecp_group_id gid, |
HannesTschofenig | 0:796d0f61a05b | 199 | int (*f_rng)(void *, unsigned char *, size_t), void *p_rng ); |
HannesTschofenig | 0:796d0f61a05b | 200 | |
HannesTschofenig | 0:796d0f61a05b | 201 | /** |
HannesTschofenig | 0:796d0f61a05b | 202 | * \brief Set an ECDSA context from an EC key pair |
HannesTschofenig | 0:796d0f61a05b | 203 | * |
HannesTschofenig | 0:796d0f61a05b | 204 | * \param ctx ECDSA context to set |
HannesTschofenig | 0:796d0f61a05b | 205 | * \param key EC key to use |
HannesTschofenig | 0:796d0f61a05b | 206 | * |
HannesTschofenig | 0:796d0f61a05b | 207 | * \return 0 on success, or a POLARSSL_ERR_ECP code. |
HannesTschofenig | 0:796d0f61a05b | 208 | */ |
HannesTschofenig | 0:796d0f61a05b | 209 | int ecdsa_from_keypair( ecdsa_context *ctx, const ecp_keypair *key ); |
HannesTschofenig | 0:796d0f61a05b | 210 | |
HannesTschofenig | 0:796d0f61a05b | 211 | /** |
HannesTschofenig | 0:796d0f61a05b | 212 | * \brief Initialize context |
HannesTschofenig | 0:796d0f61a05b | 213 | * |
HannesTschofenig | 0:796d0f61a05b | 214 | * \param ctx Context to initialize |
HannesTschofenig | 0:796d0f61a05b | 215 | */ |
HannesTschofenig | 0:796d0f61a05b | 216 | void ecdsa_init( ecdsa_context *ctx ); |
HannesTschofenig | 0:796d0f61a05b | 217 | |
HannesTschofenig | 0:796d0f61a05b | 218 | /** |
HannesTschofenig | 0:796d0f61a05b | 219 | * \brief Free context |
HannesTschofenig | 0:796d0f61a05b | 220 | * |
HannesTschofenig | 0:796d0f61a05b | 221 | * \param ctx Context to free |
HannesTschofenig | 0:796d0f61a05b | 222 | */ |
HannesTschofenig | 0:796d0f61a05b | 223 | void ecdsa_free( ecdsa_context *ctx ); |
HannesTschofenig | 0:796d0f61a05b | 224 | |
HannesTschofenig | 0:796d0f61a05b | 225 | /** |
HannesTschofenig | 0:796d0f61a05b | 226 | * \brief Checkup routine |
HannesTschofenig | 0:796d0f61a05b | 227 | * |
HannesTschofenig | 0:796d0f61a05b | 228 | * \return 0 if successful, or 1 if the test failed |
HannesTschofenig | 0:796d0f61a05b | 229 | */ |
HannesTschofenig | 0:796d0f61a05b | 230 | int ecdsa_self_test( int verbose ); |
HannesTschofenig | 0:796d0f61a05b | 231 | |
HannesTschofenig | 0:796d0f61a05b | 232 | #ifdef __cplusplus |
HannesTschofenig | 0:796d0f61a05b | 233 | } |
HannesTschofenig | 0:796d0f61a05b | 234 | #endif |
HannesTschofenig | 0:796d0f61a05b | 235 | |
HannesTschofenig | 0:796d0f61a05b | 236 | #endif /* ecdsa.h */ |
HannesTschofenig | 0:796d0f61a05b | 237 | |
HannesTschofenig | 0:796d0f61a05b | 238 |