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00049 #ifndef MBEDTLS_ECJPAKE_H
00050 #define MBEDTLS_ECJPAKE_H
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00068 #if !defined(MBEDTLS_CONFIG_FILE)
00069 #include "config.h"
00070 #else
00071 #include MBEDTLS_CONFIG_FILE
00072 #endif
00073
00074 #include "ecp.h"
00075 #include "md.h"
00076
00077 #if !defined(MBEDTLS_ECJPAKE_ALT)
00078
00079 #ifdef __cplusplus
00080 extern "C" {
00081 #endif
00082
00086 typedef enum {
00087 MBEDTLS_ECJPAKE_CLIENT = 0,
00088 MBEDTLS_ECJPAKE_SERVER,
00089 } mbedtls_ecjpake_role;
00090
00102 typedef struct
00103 {
00104 const mbedtls_md_info_t *md_info;
00105 mbedtls_ecp_group grp;
00106 mbedtls_ecjpake_role role;
00107 int point_format;
00109 mbedtls_ecp_point Xm1;
00110 mbedtls_ecp_point Xm2;
00111 mbedtls_ecp_point Xp1;
00112 mbedtls_ecp_point Xp2;
00113 mbedtls_ecp_point Xp;
00115 mbedtls_mpi xm1;
00116 mbedtls_mpi xm2;
00118 mbedtls_mpi s;
00119 } mbedtls_ecjpake_context;
00120
00127 void mbedtls_ecjpake_init( mbedtls_ecjpake_context *ctx );
00128
00145 int mbedtls_ecjpake_setup( mbedtls_ecjpake_context *ctx,
00146 mbedtls_ecjpake_role role,
00147 mbedtls_md_type_t hash,
00148 mbedtls_ecp_group_id curve,
00149 const unsigned char *secret,
00150 size_t len );
00151
00160 int mbedtls_ecjpake_check( const mbedtls_ecjpake_context *ctx );
00161
00177 int mbedtls_ecjpake_write_round_one( mbedtls_ecjpake_context *ctx,
00178 unsigned char *buf, size_t len, size_t *olen,
00179 int (*f_rng)(void *, unsigned char *, size_t),
00180 void *p_rng );
00181
00194 int mbedtls_ecjpake_read_round_one( mbedtls_ecjpake_context *ctx,
00195 const unsigned char *buf,
00196 size_t len );
00197
00212 int mbedtls_ecjpake_write_round_two( mbedtls_ecjpake_context *ctx,
00213 unsigned char *buf, size_t len, size_t *olen,
00214 int (*f_rng)(void *, unsigned char *, size_t),
00215 void *p_rng );
00216
00228 int mbedtls_ecjpake_read_round_two( mbedtls_ecjpake_context *ctx,
00229 const unsigned char *buf,
00230 size_t len );
00231
00246 int mbedtls_ecjpake_derive_secret( mbedtls_ecjpake_context *ctx,
00247 unsigned char *buf, size_t len, size_t *olen,
00248 int (*f_rng)(void *, unsigned char *, size_t),
00249 void *p_rng );
00250
00256 void mbedtls_ecjpake_free( mbedtls_ecjpake_context *ctx );
00257
00258 #ifdef __cplusplus
00259 }
00260 #endif
00261
00262 #else
00263 #include "ecjpake_alt.h"
00264 #endif
00265
00266 #if defined(MBEDTLS_SELF_TEST)
00267
00268 #ifdef __cplusplus
00269 extern "C" {
00270 #endif
00271
00277 int mbedtls_ecjpake_self_test( int verbose );
00278
00279 #ifdef __cplusplus
00280 }
00281 #endif
00282
00283 #endif
00284
00285 #endif