Hannes Tschofenig / Mbed 2 deprecated aes-gcm-test-program

Example program to test AES-GCM functionality. Used for a workshop

Dependencies:   mbed

SSL/include/polarssl/dhm.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?

UserRevisionLine numberNew contents of line
HannesTschofenig 0:796d0f61a05b 1 /**
HannesTschofenig 0:796d0f61a05b 2 * \file dhm.h
HannesTschofenig 0:796d0f61a05b 3 *
HannesTschofenig 0:796d0f61a05b 4 * \brief Diffie-Hellman-Merkle key exchange
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_DHM_H
HannesTschofenig 0:796d0f61a05b 28 #define POLARSSL_DHM_H
HannesTschofenig 0:796d0f61a05b 29
HannesTschofenig 0:796d0f61a05b 30 #include "bignum.h"
HannesTschofenig 0:796d0f61a05b 31
HannesTschofenig 0:796d0f61a05b 32 /*
HannesTschofenig 0:796d0f61a05b 33 * DHM Error codes
HannesTschofenig 0:796d0f61a05b 34 */
HannesTschofenig 0:796d0f61a05b 35 #define POLARSSL_ERR_DHM_BAD_INPUT_DATA -0x3080 /**< Bad input parameters to function. */
HannesTschofenig 0:796d0f61a05b 36 #define POLARSSL_ERR_DHM_READ_PARAMS_FAILED -0x3100 /**< Reading of the DHM parameters failed. */
HannesTschofenig 0:796d0f61a05b 37 #define POLARSSL_ERR_DHM_MAKE_PARAMS_FAILED -0x3180 /**< Making of the DHM parameters failed. */
HannesTschofenig 0:796d0f61a05b 38 #define POLARSSL_ERR_DHM_READ_PUBLIC_FAILED -0x3200 /**< Reading of the public values failed. */
HannesTschofenig 0:796d0f61a05b 39 #define POLARSSL_ERR_DHM_MAKE_PUBLIC_FAILED -0x3280 /**< Making of the public value failed. */
HannesTschofenig 0:796d0f61a05b 40 #define POLARSSL_ERR_DHM_CALC_SECRET_FAILED -0x3300 /**< Calculation of the DHM secret failed. */
HannesTschofenig 0:796d0f61a05b 41 #define POLARSSL_ERR_DHM_INVALID_FORMAT -0x3380 /**< The ASN.1 data is not formatted correctly. */
HannesTschofenig 0:796d0f61a05b 42 #define POLARSSL_ERR_DHM_MALLOC_FAILED -0x3400 /**< Allocation of memory failed. */
HannesTschofenig 0:796d0f61a05b 43 #define POLARSSL_ERR_DHM_FILE_IO_ERROR -0x3480 /**< Read/write of file failed. */
HannesTschofenig 0:796d0f61a05b 44
HannesTschofenig 0:796d0f61a05b 45 /**
HannesTschofenig 0:796d0f61a05b 46 * RFC 3526 defines a number of standardized Diffie-Hellman groups
HannesTschofenig 0:796d0f61a05b 47 * for IKE.
HannesTschofenig 0:796d0f61a05b 48 * RFC 5114 defines a number of standardized Diffie-Hellman groups
HannesTschofenig 0:796d0f61a05b 49 * that can be used.
HannesTschofenig 0:796d0f61a05b 50 *
HannesTschofenig 0:796d0f61a05b 51 * Some are included here for convenience.
HannesTschofenig 0:796d0f61a05b 52 *
HannesTschofenig 0:796d0f61a05b 53 * Included are:
HannesTschofenig 0:796d0f61a05b 54 * RFC 3526 3. 2048-bit MODP Group
HannesTschofenig 0:796d0f61a05b 55 * RFC 3526 4. 3072-bit MODP Group
HannesTschofenig 0:796d0f61a05b 56 * RFC 5114 2.1. 1024-bit MODP Group with 160-bit Prime Order Subgroup
HannesTschofenig 0:796d0f61a05b 57 * RFC 5114 2.2. 2048-bit MODP Group with 224-bit Prime Order Subgroup
HannesTschofenig 0:796d0f61a05b 58 */
HannesTschofenig 0:796d0f61a05b 59 #define POLARSSL_DHM_RFC3526_MODP_2048_P \
HannesTschofenig 0:796d0f61a05b 60 "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
HannesTschofenig 0:796d0f61a05b 61 "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
HannesTschofenig 0:796d0f61a05b 62 "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
HannesTschofenig 0:796d0f61a05b 63 "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
HannesTschofenig 0:796d0f61a05b 64 "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
HannesTschofenig 0:796d0f61a05b 65 "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
HannesTschofenig 0:796d0f61a05b 66 "83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
HannesTschofenig 0:796d0f61a05b 67 "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
HannesTschofenig 0:796d0f61a05b 68 "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
HannesTschofenig 0:796d0f61a05b 69 "DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
HannesTschofenig 0:796d0f61a05b 70 "15728E5A8AACAA68FFFFFFFFFFFFFFFF"
HannesTschofenig 0:796d0f61a05b 71
HannesTschofenig 0:796d0f61a05b 72 #define POLARSSL_DHM_RFC3526_MODP_2048_G "02"
HannesTschofenig 0:796d0f61a05b 73
HannesTschofenig 0:796d0f61a05b 74 #define POLARSSL_DHM_RFC3526_MODP_3072_P \
HannesTschofenig 0:796d0f61a05b 75 "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
HannesTschofenig 0:796d0f61a05b 76 "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
HannesTschofenig 0:796d0f61a05b 77 "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
HannesTschofenig 0:796d0f61a05b 78 "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
HannesTschofenig 0:796d0f61a05b 79 "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
HannesTschofenig 0:796d0f61a05b 80 "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
HannesTschofenig 0:796d0f61a05b 81 "83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
HannesTschofenig 0:796d0f61a05b 82 "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
HannesTschofenig 0:796d0f61a05b 83 "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
HannesTschofenig 0:796d0f61a05b 84 "DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
HannesTschofenig 0:796d0f61a05b 85 "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
HannesTschofenig 0:796d0f61a05b 86 "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
HannesTschofenig 0:796d0f61a05b 87 "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
HannesTschofenig 0:796d0f61a05b 88 "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
HannesTschofenig 0:796d0f61a05b 89 "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
HannesTschofenig 0:796d0f61a05b 90 "43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF"
HannesTschofenig 0:796d0f61a05b 91
HannesTschofenig 0:796d0f61a05b 92 #define POLARSSL_DHM_RFC3526_MODP_3072_G "02"
HannesTschofenig 0:796d0f61a05b 93
HannesTschofenig 0:796d0f61a05b 94 #define POLARSSL_DHM_RFC5114_MODP_1024_P \
HannesTschofenig 0:796d0f61a05b 95 "B10B8F96A080E01DDE92DE5EAE5D54EC52C99FBCFB06A3C6" \
HannesTschofenig 0:796d0f61a05b 96 "9A6A9DCA52D23B616073E28675A23D189838EF1E2EE652C0" \
HannesTschofenig 0:796d0f61a05b 97 "13ECB4AEA906112324975C3CD49B83BFACCBDD7D90C4BD70" \
HannesTschofenig 0:796d0f61a05b 98 "98488E9C219A73724EFFD6FAE5644738FAA31A4FF55BCCC0" \
HannesTschofenig 0:796d0f61a05b 99 "A151AF5F0DC8B4BD45BF37DF365C1A65E68CFDA76D4DA708" \
HannesTschofenig 0:796d0f61a05b 100 "DF1FB2BC2E4A4371"
HannesTschofenig 0:796d0f61a05b 101
HannesTschofenig 0:796d0f61a05b 102 #define POLARSSL_DHM_RFC5114_MODP_1024_G \
HannesTschofenig 0:796d0f61a05b 103 "A4D1CBD5C3FD34126765A442EFB99905F8104DD258AC507F" \
HannesTschofenig 0:796d0f61a05b 104 "D6406CFF14266D31266FEA1E5C41564B777E690F5504F213" \
HannesTschofenig 0:796d0f61a05b 105 "160217B4B01B886A5E91547F9E2749F4D7FBD7D3B9A92EE1" \
HannesTschofenig 0:796d0f61a05b 106 "909D0D2263F80A76A6A24C087A091F531DBF0A0169B6A28A" \
HannesTschofenig 0:796d0f61a05b 107 "D662A4D18E73AFA32D779D5918D08BC8858F4DCEF97C2A24" \
HannesTschofenig 0:796d0f61a05b 108 "855E6EEB22B3B2E5"
HannesTschofenig 0:796d0f61a05b 109
HannesTschofenig 0:796d0f61a05b 110 #define POLARSSL_DHM_RFC5114_MODP_2048_P \
HannesTschofenig 0:796d0f61a05b 111 "AD107E1E9123A9D0D660FAA79559C51FA20D64E5683B9FD1" \
HannesTschofenig 0:796d0f61a05b 112 "B54B1597B61D0A75E6FA141DF95A56DBAF9A3C407BA1DF15" \
HannesTschofenig 0:796d0f61a05b 113 "EB3D688A309C180E1DE6B85A1274A0A66D3F8152AD6AC212" \
HannesTschofenig 0:796d0f61a05b 114 "9037C9EDEFDA4DF8D91E8FEF55B7394B7AD5B7D0B6C12207" \
HannesTschofenig 0:796d0f61a05b 115 "C9F98D11ED34DBF6C6BA0B2C8BBC27BE6A00E0A0B9C49708" \
HannesTschofenig 0:796d0f61a05b 116 "B3BF8A317091883681286130BC8985DB1602E714415D9330" \
HannesTschofenig 0:796d0f61a05b 117 "278273C7DE31EFDC7310F7121FD5A07415987D9ADC0A486D" \
HannesTschofenig 0:796d0f61a05b 118 "CDF93ACC44328387315D75E198C641A480CD86A1B9E587E8" \
HannesTschofenig 0:796d0f61a05b 119 "BE60E69CC928B2B9C52172E413042E9B23F10B0E16E79763" \
HannesTschofenig 0:796d0f61a05b 120 "C9B53DCF4BA80A29E3FB73C16B8E75B97EF363E2FFA31F71" \
HannesTschofenig 0:796d0f61a05b 121 "CF9DE5384E71B81C0AC4DFFE0C10E64F"
HannesTschofenig 0:796d0f61a05b 122
HannesTschofenig 0:796d0f61a05b 123 #define POLARSSL_DHM_RFC5114_MODP_2048_G \
HannesTschofenig 0:796d0f61a05b 124 "AC4032EF4F2D9AE39DF30B5C8FFDAC506CDEBE7B89998CAF"\
HannesTschofenig 0:796d0f61a05b 125 "74866A08CFE4FFE3A6824A4E10B9A6F0DD921F01A70C4AFA"\
HannesTschofenig 0:796d0f61a05b 126 "AB739D7700C29F52C57DB17C620A8652BE5E9001A8D66AD7"\
HannesTschofenig 0:796d0f61a05b 127 "C17669101999024AF4D027275AC1348BB8A762D0521BC98A"\
HannesTschofenig 0:796d0f61a05b 128 "E247150422EA1ED409939D54DA7460CDB5F6C6B250717CBE"\
HannesTschofenig 0:796d0f61a05b 129 "F180EB34118E98D119529A45D6F834566E3025E316A330EF"\
HannesTschofenig 0:796d0f61a05b 130 "BB77A86F0C1AB15B051AE3D428C8F8ACB70A8137150B8EEB"\
HannesTschofenig 0:796d0f61a05b 131 "10E183EDD19963DDD9E263E4770589EF6AA21E7F5F2FF381"\
HannesTschofenig 0:796d0f61a05b 132 "B539CCE3409D13CD566AFBB48D6C019181E1BCFE94B30269"\
HannesTschofenig 0:796d0f61a05b 133 "EDFE72FE9B6AA4BD7B5A0F1C71CFFF4C19C418E1F6EC0179"\
HannesTschofenig 0:796d0f61a05b 134 "81BC087F2A7065B384B890D3191F2BFA"
HannesTschofenig 0:796d0f61a05b 135
HannesTschofenig 0:796d0f61a05b 136 #ifdef __cplusplus
HannesTschofenig 0:796d0f61a05b 137 extern "C" {
HannesTschofenig 0:796d0f61a05b 138 #endif
HannesTschofenig 0:796d0f61a05b 139
HannesTschofenig 0:796d0f61a05b 140 /**
HannesTschofenig 0:796d0f61a05b 141 * \brief DHM context structure
HannesTschofenig 0:796d0f61a05b 142 */
HannesTschofenig 0:796d0f61a05b 143 typedef struct
HannesTschofenig 0:796d0f61a05b 144 {
HannesTschofenig 0:796d0f61a05b 145 size_t len; /*!< size(P) in chars */
HannesTschofenig 0:796d0f61a05b 146 mpi P; /*!< prime modulus */
HannesTschofenig 0:796d0f61a05b 147 mpi G; /*!< generator */
HannesTschofenig 0:796d0f61a05b 148 mpi X; /*!< secret value */
HannesTschofenig 0:796d0f61a05b 149 mpi GX; /*!< self = G^X mod P */
HannesTschofenig 0:796d0f61a05b 150 mpi GY; /*!< peer = G^Y mod P */
HannesTschofenig 0:796d0f61a05b 151 mpi K; /*!< key = GY^X mod P */
HannesTschofenig 0:796d0f61a05b 152 mpi RP; /*!< cached R^2 mod P */
HannesTschofenig 0:796d0f61a05b 153 mpi Vi; /*!< blinding value */
HannesTschofenig 0:796d0f61a05b 154 mpi Vf; /*!< un-blinding value */
HannesTschofenig 0:796d0f61a05b 155 mpi pX; /*!< previous X */
HannesTschofenig 0:796d0f61a05b 156 }
HannesTschofenig 0:796d0f61a05b 157 dhm_context;
HannesTschofenig 0:796d0f61a05b 158
HannesTschofenig 0:796d0f61a05b 159 /**
HannesTschofenig 0:796d0f61a05b 160 * \brief Parse the ServerKeyExchange parameters
HannesTschofenig 0:796d0f61a05b 161 *
HannesTschofenig 0:796d0f61a05b 162 * \param ctx DHM context
HannesTschofenig 0:796d0f61a05b 163 * \param p &(start of input buffer)
HannesTschofenig 0:796d0f61a05b 164 * \param end end of buffer
HannesTschofenig 0:796d0f61a05b 165 *
HannesTschofenig 0:796d0f61a05b 166 * \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
HannesTschofenig 0:796d0f61a05b 167 */
HannesTschofenig 0:796d0f61a05b 168 int dhm_read_params( dhm_context *ctx,
HannesTschofenig 0:796d0f61a05b 169 unsigned char **p,
HannesTschofenig 0:796d0f61a05b 170 const unsigned char *end );
HannesTschofenig 0:796d0f61a05b 171
HannesTschofenig 0:796d0f61a05b 172 /**
HannesTschofenig 0:796d0f61a05b 173 * \brief Setup and write the ServerKeyExchange parameters
HannesTschofenig 0:796d0f61a05b 174 *
HannesTschofenig 0:796d0f61a05b 175 * \param ctx DHM context
HannesTschofenig 0:796d0f61a05b 176 * \param x_size private value size in bytes
HannesTschofenig 0:796d0f61a05b 177 * \param output destination buffer
HannesTschofenig 0:796d0f61a05b 178 * \param olen number of chars written
HannesTschofenig 0:796d0f61a05b 179 * \param f_rng RNG function
HannesTschofenig 0:796d0f61a05b 180 * \param p_rng RNG parameter
HannesTschofenig 0:796d0f61a05b 181 *
HannesTschofenig 0:796d0f61a05b 182 * \note This function assumes that ctx->P and ctx->G
HannesTschofenig 0:796d0f61a05b 183 * have already been properly set (for example
HannesTschofenig 0:796d0f61a05b 184 * using mpi_read_string or mpi_read_binary).
HannesTschofenig 0:796d0f61a05b 185 *
HannesTschofenig 0:796d0f61a05b 186 * \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
HannesTschofenig 0:796d0f61a05b 187 */
HannesTschofenig 0:796d0f61a05b 188 int dhm_make_params( dhm_context *ctx, int x_size,
HannesTschofenig 0:796d0f61a05b 189 unsigned char *output, size_t *olen,
HannesTschofenig 0:796d0f61a05b 190 int (*f_rng)(void *, unsigned char *, size_t),
HannesTschofenig 0:796d0f61a05b 191 void *p_rng );
HannesTschofenig 0:796d0f61a05b 192
HannesTschofenig 0:796d0f61a05b 193 /**
HannesTschofenig 0:796d0f61a05b 194 * \brief Import the peer's public value G^Y
HannesTschofenig 0:796d0f61a05b 195 *
HannesTschofenig 0:796d0f61a05b 196 * \param ctx DHM context
HannesTschofenig 0:796d0f61a05b 197 * \param input input buffer
HannesTschofenig 0:796d0f61a05b 198 * \param ilen size of buffer
HannesTschofenig 0:796d0f61a05b 199 *
HannesTschofenig 0:796d0f61a05b 200 * \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
HannesTschofenig 0:796d0f61a05b 201 */
HannesTschofenig 0:796d0f61a05b 202 int dhm_read_public( dhm_context *ctx,
HannesTschofenig 0:796d0f61a05b 203 const unsigned char *input, size_t ilen );
HannesTschofenig 0:796d0f61a05b 204
HannesTschofenig 0:796d0f61a05b 205 /**
HannesTschofenig 0:796d0f61a05b 206 * \brief Create own private value X and export G^X
HannesTschofenig 0:796d0f61a05b 207 *
HannesTschofenig 0:796d0f61a05b 208 * \param ctx DHM context
HannesTschofenig 0:796d0f61a05b 209 * \param x_size private value size in bytes
HannesTschofenig 0:796d0f61a05b 210 * \param output destination buffer
HannesTschofenig 0:796d0f61a05b 211 * \param olen must be equal to ctx->P.len
HannesTschofenig 0:796d0f61a05b 212 * \param f_rng RNG function
HannesTschofenig 0:796d0f61a05b 213 * \param p_rng RNG parameter
HannesTschofenig 0:796d0f61a05b 214 *
HannesTschofenig 0:796d0f61a05b 215 * \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
HannesTschofenig 0:796d0f61a05b 216 */
HannesTschofenig 0:796d0f61a05b 217 int dhm_make_public( dhm_context *ctx, int x_size,
HannesTschofenig 0:796d0f61a05b 218 unsigned char *output, size_t olen,
HannesTschofenig 0:796d0f61a05b 219 int (*f_rng)(void *, unsigned char *, size_t),
HannesTschofenig 0:796d0f61a05b 220 void *p_rng );
HannesTschofenig 0:796d0f61a05b 221
HannesTschofenig 0:796d0f61a05b 222 /**
HannesTschofenig 0:796d0f61a05b 223 * \brief Derive and export the shared secret (G^Y)^X mod P
HannesTschofenig 0:796d0f61a05b 224 *
HannesTschofenig 0:796d0f61a05b 225 * \param ctx DHM context
HannesTschofenig 0:796d0f61a05b 226 * \param output destination buffer
HannesTschofenig 0:796d0f61a05b 227 * \param olen number of chars written
HannesTschofenig 0:796d0f61a05b 228 * \param f_rng RNG function, for blinding purposes
HannesTschofenig 0:796d0f61a05b 229 * \param p_rng RNG parameter
HannesTschofenig 0:796d0f61a05b 230 *
HannesTschofenig 0:796d0f61a05b 231 * \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
HannesTschofenig 0:796d0f61a05b 232 *
HannesTschofenig 0:796d0f61a05b 233 * \note If non-NULL, f_rng is used to blind the input as
HannesTschofenig 0:796d0f61a05b 234 * countermeasure against timing attacks. Blinding is
HannesTschofenig 0:796d0f61a05b 235 * automatically used if and only if our secret value X is
HannesTschofenig 0:796d0f61a05b 236 * re-used and costs nothing otherwise, so it is recommended
HannesTschofenig 0:796d0f61a05b 237 * to always pass a non-NULL f_rng argument.
HannesTschofenig 0:796d0f61a05b 238 */
HannesTschofenig 0:796d0f61a05b 239 int dhm_calc_secret( dhm_context *ctx,
HannesTschofenig 0:796d0f61a05b 240 unsigned char *output, size_t *olen,
HannesTschofenig 0:796d0f61a05b 241 int (*f_rng)(void *, unsigned char *, size_t),
HannesTschofenig 0:796d0f61a05b 242 void *p_rng );
HannesTschofenig 0:796d0f61a05b 243
HannesTschofenig 0:796d0f61a05b 244 /**
HannesTschofenig 0:796d0f61a05b 245 * \brief Free the components of a DHM key
HannesTschofenig 0:796d0f61a05b 246 */
HannesTschofenig 0:796d0f61a05b 247 void dhm_free( dhm_context *ctx );
HannesTschofenig 0:796d0f61a05b 248
HannesTschofenig 0:796d0f61a05b 249 #if defined(POLARSSL_ASN1_PARSE_C)
HannesTschofenig 0:796d0f61a05b 250 /** \ingroup x509_module */
HannesTschofenig 0:796d0f61a05b 251 /**
HannesTschofenig 0:796d0f61a05b 252 * \brief Parse DHM parameters
HannesTschofenig 0:796d0f61a05b 253 *
HannesTschofenig 0:796d0f61a05b 254 * \param dhm DHM context to be initialized
HannesTschofenig 0:796d0f61a05b 255 * \param dhmin input buffer
HannesTschofenig 0:796d0f61a05b 256 * \param dhminlen size of the buffer
HannesTschofenig 0:796d0f61a05b 257 *
HannesTschofenig 0:796d0f61a05b 258 * \return 0 if successful, or a specific DHM or PEM error code
HannesTschofenig 0:796d0f61a05b 259 */
HannesTschofenig 0:796d0f61a05b 260 int dhm_parse_dhm( dhm_context *dhm, const unsigned char *dhmin,
HannesTschofenig 0:796d0f61a05b 261 size_t dhminlen );
HannesTschofenig 0:796d0f61a05b 262
HannesTschofenig 0:796d0f61a05b 263 #if defined(POLARSSL_FS_IO)
HannesTschofenig 0:796d0f61a05b 264 /** \ingroup x509_module */
HannesTschofenig 0:796d0f61a05b 265 /**
HannesTschofenig 0:796d0f61a05b 266 * \brief Load and parse DHM parameters
HannesTschofenig 0:796d0f61a05b 267 *
HannesTschofenig 0:796d0f61a05b 268 * \param dhm DHM context to be initialized
HannesTschofenig 0:796d0f61a05b 269 * \param path filename to read the DHM Parameters from
HannesTschofenig 0:796d0f61a05b 270 *
HannesTschofenig 0:796d0f61a05b 271 * \return 0 if successful, or a specific DHM or PEM error code
HannesTschofenig 0:796d0f61a05b 272 */
HannesTschofenig 0:796d0f61a05b 273 int dhm_parse_dhmfile( dhm_context *dhm, const char *path );
HannesTschofenig 0:796d0f61a05b 274 #endif /* POLARSSL_FS_IO */
HannesTschofenig 0:796d0f61a05b 275 #endif /* POLARSSL_ASN1_PARSE_C */
HannesTschofenig 0:796d0f61a05b 276
HannesTschofenig 0:796d0f61a05b 277 /**
HannesTschofenig 0:796d0f61a05b 278 * \brief Checkup routine
HannesTschofenig 0:796d0f61a05b 279 *
HannesTschofenig 0:796d0f61a05b 280 * \return 0 if successful, or 1 if the test failed
HannesTschofenig 0:796d0f61a05b 281 */
HannesTschofenig 0:796d0f61a05b 282 int dhm_self_test( int verbose );
HannesTschofenig 0:796d0f61a05b 283
HannesTschofenig 0:796d0f61a05b 284 #ifdef __cplusplus
HannesTschofenig 0:796d0f61a05b 285 }
HannesTschofenig 0:796d0f61a05b 286 #endif
HannesTschofenig 0:796d0f61a05b 287
HannesTschofenig 0:796d0f61a05b 288 #endif /* dhm.h */
HannesTschofenig 0:796d0f61a05b 289
HannesTschofenig 0:796d0f61a05b 290