123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308 |
- /**
- * \file dhm.h
- *
- * \brief Diffie-Hellman-Merkle key exchange
- *
- * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
- * SPDX-License-Identifier: GPL-2.0
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * This file is part of mbed TLS (https://tls.mbed.org)
- */
- #ifndef MBEDTLS_DHM_H
- #define MBEDTLS_DHM_H
- #include "bignum.h"
- /*
- * DHM Error codes
- */
- #define MBEDTLS_ERR_DHM_BAD_INPUT_DATA -0x3080 /**< Bad input parameters to function. */
- #define MBEDTLS_ERR_DHM_READ_PARAMS_FAILED -0x3100 /**< Reading of the DHM parameters failed. */
- #define MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED -0x3180 /**< Making of the DHM parameters failed. */
- #define MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED -0x3200 /**< Reading of the public values failed. */
- #define MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED -0x3280 /**< Making of the public value failed. */
- #define MBEDTLS_ERR_DHM_CALC_SECRET_FAILED -0x3300 /**< Calculation of the DHM secret failed. */
- #define MBEDTLS_ERR_DHM_INVALID_FORMAT -0x3380 /**< The ASN.1 data is not formatted correctly. */
- #define MBEDTLS_ERR_DHM_ALLOC_FAILED -0x3400 /**< Allocation of memory failed. */
- #define MBEDTLS_ERR_DHM_FILE_IO_ERROR -0x3480 /**< Read/write of file failed. */
- /**
- * RFC 3526 defines a number of standardized Diffie-Hellman groups
- * for IKE.
- * RFC 5114 defines a number of standardized Diffie-Hellman groups
- * that can be used.
- *
- * Some are included here for convenience.
- *
- * Included are:
- * RFC 3526 3. 2048-bit MODP Group
- * RFC 3526 4. 3072-bit MODP Group
- * RFC 3526 5. 4096-bit MODP Group
- * RFC 5114 2.2. 2048-bit MODP Group with 224-bit Prime Order Subgroup
- */
- #define MBEDTLS_DHM_RFC3526_MODP_2048_P \
- "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
- "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
- "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
- "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
- "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
- "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
- "83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
- "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
- "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
- "DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
- "15728E5A8AACAA68FFFFFFFFFFFFFFFF"
- #define MBEDTLS_DHM_RFC3526_MODP_2048_G "02"
- #define MBEDTLS_DHM_RFC3526_MODP_3072_P \
- "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
- "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
- "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
- "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
- "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
- "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
- "83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
- "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
- "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
- "DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
- "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
- "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
- "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
- "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
- "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
- "43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF"
- #define MBEDTLS_DHM_RFC3526_MODP_3072_G "02"
- #define MBEDTLS_DHM_RFC3526_MODP_4096_P \
- "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
- "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
- "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
- "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
- "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
- "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
- "83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
- "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
- "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
- "DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
- "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
- "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
- "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
- "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
- "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
- "43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7" \
- "88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA" \
- "2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6" \
- "287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED" \
- "1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9" \
- "93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934063199" \
- "FFFFFFFFFFFFFFFF"
- #define MBEDTLS_DHM_RFC3526_MODP_4096_G "02"
- #define MBEDTLS_DHM_RFC5114_MODP_2048_P \
- "AD107E1E9123A9D0D660FAA79559C51FA20D64E5683B9FD1" \
- "B54B1597B61D0A75E6FA141DF95A56DBAF9A3C407BA1DF15" \
- "EB3D688A309C180E1DE6B85A1274A0A66D3F8152AD6AC212" \
- "9037C9EDEFDA4DF8D91E8FEF55B7394B7AD5B7D0B6C12207" \
- "C9F98D11ED34DBF6C6BA0B2C8BBC27BE6A00E0A0B9C49708" \
- "B3BF8A317091883681286130BC8985DB1602E714415D9330" \
- "278273C7DE31EFDC7310F7121FD5A07415987D9ADC0A486D" \
- "CDF93ACC44328387315D75E198C641A480CD86A1B9E587E8" \
- "BE60E69CC928B2B9C52172E413042E9B23F10B0E16E79763" \
- "C9B53DCF4BA80A29E3FB73C16B8E75B97EF363E2FFA31F71" \
- "CF9DE5384E71B81C0AC4DFFE0C10E64F"
- #define MBEDTLS_DHM_RFC5114_MODP_2048_G \
- "AC4032EF4F2D9AE39DF30B5C8FFDAC506CDEBE7B89998CAF"\
- "74866A08CFE4FFE3A6824A4E10B9A6F0DD921F01A70C4AFA"\
- "AB739D7700C29F52C57DB17C620A8652BE5E9001A8D66AD7"\
- "C17669101999024AF4D027275AC1348BB8A762D0521BC98A"\
- "E247150422EA1ED409939D54DA7460CDB5F6C6B250717CBE"\
- "F180EB34118E98D119529A45D6F834566E3025E316A330EF"\
- "BB77A86F0C1AB15B051AE3D428C8F8ACB70A8137150B8EEB"\
- "10E183EDD19963DDD9E263E4770589EF6AA21E7F5F2FF381"\
- "B539CCE3409D13CD566AFBB48D6C019181E1BCFE94B30269"\
- "EDFE72FE9B6AA4BD7B5A0F1C71CFFF4C19C418E1F6EC0179"\
- "81BC087F2A7065B384B890D3191F2BFA"
- #ifdef __cplusplus
- extern "C" {
- #endif
- /**
- * \brief DHM context structure
- */
- typedef struct
- {
- size_t len; /*!< size(P) in chars */
- mbedtls_mpi P; /*!< prime modulus */
- mbedtls_mpi G; /*!< generator */
- mbedtls_mpi X; /*!< secret value */
- mbedtls_mpi GX; /*!< self = G^X mod P */
- mbedtls_mpi GY; /*!< peer = G^Y mod P */
- mbedtls_mpi K; /*!< key = GY^X mod P */
- mbedtls_mpi RP; /*!< cached R^2 mod P */
- mbedtls_mpi Vi; /*!< blinding value */
- mbedtls_mpi Vf; /*!< un-blinding value */
- mbedtls_mpi pX; /*!< previous X */
- }
- mbedtls_dhm_context;
- /**
- * \brief Initialize DHM context
- *
- * \param ctx DHM context to be initialized
- */
- void mbedtls_dhm_init( mbedtls_dhm_context *ctx );
- /**
- * \brief Parse the ServerKeyExchange parameters
- *
- * \param ctx DHM context
- * \param p &(start of input buffer)
- * \param end end of buffer
- *
- * \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
- */
- int mbedtls_dhm_read_params( mbedtls_dhm_context *ctx,
- unsigned char **p,
- const unsigned char *end );
- /**
- * \brief Setup and write the ServerKeyExchange parameters
- *
- * \param ctx DHM context
- * \param x_size private value size in bytes
- * \param output destination buffer
- * \param olen number of chars written
- * \param f_rng RNG function
- * \param p_rng RNG parameter
- *
- * \note This function assumes that ctx->P and ctx->G
- * have already been properly set (for example
- * using mbedtls_mpi_read_string or mbedtls_mpi_read_binary).
- *
- * \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
- */
- int mbedtls_dhm_make_params( mbedtls_dhm_context *ctx, int x_size,
- unsigned char *output, size_t *olen,
- int (*f_rng)(void *, unsigned char *, size_t),
- void *p_rng );
- /**
- * \brief Import the peer's public value G^Y
- *
- * \param ctx DHM context
- * \param input input buffer
- * \param ilen size of buffer
- *
- * \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
- */
- int mbedtls_dhm_read_public( mbedtls_dhm_context *ctx,
- const unsigned char *input, size_t ilen );
- /**
- * \brief Create own private value X and export G^X
- *
- * \param ctx DHM context
- * \param x_size private value size in bytes
- * \param output destination buffer
- * \param olen must be at least equal to the size of P, ctx->len
- * \param f_rng RNG function
- * \param p_rng RNG parameter
- *
- * \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
- */
- int mbedtls_dhm_make_public( mbedtls_dhm_context *ctx, int x_size,
- unsigned char *output, size_t olen,
- int (*f_rng)(void *, unsigned char *, size_t),
- void *p_rng );
- /**
- * \brief Derive and export the shared secret (G^Y)^X mod P
- *
- * \param ctx DHM context
- * \param output destination buffer
- * \param output_size size of the destination buffer
- * \param olen on exit, holds the actual number of bytes written
- * \param f_rng RNG function, for blinding purposes
- * \param p_rng RNG parameter
- *
- * \return 0 if successful, or an MBEDTLS_ERR_DHM_XXX error code
- *
- * \note If non-NULL, f_rng is used to blind the input as
- * countermeasure against timing attacks. Blinding is
- * automatically used if and only if our secret value X is
- * re-used and costs nothing otherwise, so it is recommended
- * to always pass a non-NULL f_rng argument.
- */
- int mbedtls_dhm_calc_secret( mbedtls_dhm_context *ctx,
- unsigned char *output, size_t output_size, size_t *olen,
- int (*f_rng)(void *, unsigned char *, size_t),
- void *p_rng );
- /**
- * \brief Free and clear the components of a DHM key
- *
- * \param ctx DHM context to free and clear
- */
- void mbedtls_dhm_free( mbedtls_dhm_context *ctx );
- #if defined(MBEDTLS_ASN1_PARSE_C)
- /** \ingroup x509_module */
- /**
- * \brief Parse DHM parameters in PEM or DER format
- *
- * \param dhm DHM context to be initialized
- * \param dhmin input buffer
- * \param dhminlen size of the buffer
- * (including the terminating null byte for PEM data)
- *
- * \return 0 if successful, or a specific DHM or PEM error code
- */
- int mbedtls_dhm_parse_dhm( mbedtls_dhm_context *dhm, const unsigned char *dhmin,
- size_t dhminlen );
- #if defined(MBEDTLS_FS_IO)
- /** \ingroup x509_module */
- /**
- * \brief Load and parse DHM parameters
- *
- * \param dhm DHM context to be initialized
- * \param path filename to read the DHM Parameters from
- *
- * \return 0 if successful, or a specific DHM or PEM error code
- */
- int mbedtls_dhm_parse_dhmfile( mbedtls_dhm_context *dhm, const char *path );
- #endif /* MBEDTLS_FS_IO */
- #endif /* MBEDTLS_ASN1_PARSE_C */
- /**
- * \brief Checkup routine
- *
- * \return 0 if successful, or 1 if the test failed
- */
- int mbedtls_dhm_self_test( int verbose );
- #ifdef __cplusplus
- }
- #endif
- #endif /* dhm.h */
|