Joined copyright on original XySSL code with: Christophe Devine
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.
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Definition in file dhm.h.
#include "polarssl/bignum.h"
Go to the source code of this file.
Data Structures | |
struct | dhm_context |
Defines | |
#define | POLARSSL_ERR_DHM_BAD_INPUT_DATA 0x0480 |
#define | POLARSSL_ERR_DHM_CALC_SECRET_FAILED 0x04D0 |
#define | POLARSSL_ERR_DHM_MAKE_PARAMS_FAILED 0x04A0 |
#define | POLARSSL_ERR_DHM_MAKE_PUBLIC_FAILED 0x04C0 |
#define | POLARSSL_ERR_DHM_READ_PARAMS_FAILED 0x0490 |
#define | POLARSSL_ERR_DHM_READ_PUBLIC_FAILED 0x04B0 |
Functions | |
int | dhm_calc_secret (dhm_context *ctx, unsigned char *output, int *olen) |
Derive and export the shared secret (G^Y)^X mod P. | |
void | dhm_free (dhm_context *ctx) |
int | dhm_make_params (dhm_context *ctx, int s_size, unsigned char *output, int *olen, int(*f_rng)(void *), void *p_rng) |
Setup and write the ServerKeyExchange parameters. | |
int | dhm_make_public (dhm_context *ctx, int s_size, unsigned char *output, int olen, int(*f_rng)(void *), void *p_rng) |
Create own private value X and export G^X. | |
int | dhm_read_params (dhm_context *ctx, unsigned char **p, unsigned char *end) |
Parse the ServerKeyExchange parameters. | |
int | dhm_read_public (dhm_context *ctx, unsigned char *input, int ilen) |
Import the peer's public value G^Y. | |
int | dhm_self_test (int verbose) |
Checkup routine. |
int dhm_calc_secret | ( | dhm_context * | ctx, | |
unsigned char * | output, | |||
int * | olen | |||
) |
Derive and export the shared secret (G^Y)^X mod P.
ctx | DHM context | |
output | destination buffer | |
olen | number of chars written |
void dhm_free | ( | dhm_context * | ctx | ) |
int dhm_make_params | ( | dhm_context * | ctx, | |
int | s_size, | |||
unsigned char * | output, | |||
int * | olen, | |||
int(*)(void *) | f_rng, | |||
void * | p_rng | |||
) |
Setup and write the ServerKeyExchange parameters.
ctx | DHM context | |
s_size | private value size in bits | |
output | destination buffer | |
olen | number of chars written | |
f_rng | RNG function | |
p_rng | RNG parameter |
int dhm_make_public | ( | dhm_context * | ctx, | |
int | s_size, | |||
unsigned char * | output, | |||
int | olen, | |||
int(*)(void *) | f_rng, | |||
void * | p_rng | |||
) |
Create own private value X and export G^X.
ctx | DHM context | |
s_size | private value size in bits | |
output | destination buffer | |
olen | must be equal to ctx->P.len | |
f_rng | RNG function | |
p_rng | RNG parameter |
int dhm_read_params | ( | dhm_context * | ctx, | |
unsigned char ** | p, | |||
unsigned char * | end | |||
) |
Parse the ServerKeyExchange parameters.
ctx | DHM context | |
p | &(start of input buffer) | |
end | end of buffer |
int dhm_read_public | ( | dhm_context * | ctx, | |
unsigned char * | input, | |||
int | ilen | |||
) |
Import the peer's public value G^Y.
ctx | DHM context | |
input | input buffer | |
ilen | size of buffer |
int dhm_self_test | ( | int | verbose | ) |
Checkup routine.