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00058 #ifndef MBEDTLS_ECDSA_H
00059 #define MBEDTLS_ECDSA_H
00060
00061 #if !defined(MBEDTLS_CONFIG_FILE)
00062 #include "config.h"
00063 #else
00064 #include MBEDTLS_CONFIG_FILE
00065 #endif
00066
00067 #include "ecp.h"
00068 #include "md.h"
00069
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00083
00084 #if MBEDTLS_ECP_MAX_BYTES > 124
00085 #error "MBEDTLS_ECP_MAX_BYTES bigger than expected, please fix MBEDTLS_ECDSA_MAX_LEN"
00086 #endif
00087
00088 #define MBEDTLS_ECDSA_MAX_LEN ( 3 + 2 * ( 3 + MBEDTLS_ECP_MAX_BYTES ) )
00089
00093 typedef mbedtls_ecp_keypair mbedtls_ecdsa_context;
00094
00095 #ifdef __cplusplus
00096 extern "C" {
00097 #endif
00098
00125 int mbedtls_ecdsa_sign( mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s,
00126 const mbedtls_mpi *d, const unsigned char *buf, size_t blen,
00127 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
00128
00129 #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
00130
00171 int mbedtls_ecdsa_sign_det( mbedtls_ecp_group *grp, mbedtls_mpi *r,
00172 mbedtls_mpi *s, const mbedtls_mpi *d,
00173 const unsigned char *buf, size_t blen,
00174 mbedtls_md_type_t md_alg );
00214 int mbedtls_ecdsa_sign_det_ext( mbedtls_ecp_group *grp, mbedtls_mpi *r,
00215 mbedtls_mpi *s, const mbedtls_mpi *d,
00216 const unsigned char *buf, size_t blen,
00217 mbedtls_md_type_t md_alg,
00218 int (*f_rng_blind)(void *, unsigned char *,
00219 size_t),
00220 void *p_rng_blind );
00221 #endif
00222
00247 int mbedtls_ecdsa_verify( mbedtls_ecp_group *grp,
00248 const unsigned char *buf, size_t blen,
00249 const mbedtls_ecp_point *Q, const mbedtls_mpi *r, const mbedtls_mpi *s);
00250
00292 int mbedtls_ecdsa_write_signature( mbedtls_ecdsa_context *ctx, mbedtls_md_type_t md_alg,
00293 const unsigned char *hash, size_t hlen,
00294 unsigned char *sig, size_t *slen,
00295 int (*f_rng)(void *, unsigned char *, size_t),
00296 void *p_rng );
00297
00298 #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
00299 #if ! defined(MBEDTLS_DEPRECATED_REMOVED)
00300 #if defined(MBEDTLS_DEPRECATED_WARNING)
00301 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
00302 #else
00303 #define MBEDTLS_DEPRECATED
00304 #endif
00305
00344 int mbedtls_ecdsa_write_signature_det( mbedtls_ecdsa_context *ctx,
00345 const unsigned char *hash, size_t hlen,
00346 unsigned char *sig, size_t *slen,
00347 mbedtls_md_type_t md_alg ) MBEDTLS_DEPRECATED;
00348 #undef MBEDTLS_DEPRECATED
00349 #endif
00350 #endif
00351
00376 int mbedtls_ecdsa_read_signature( mbedtls_ecdsa_context *ctx,
00377 const unsigned char *hash, size_t hlen,
00378 const unsigned char *sig, size_t slen );
00379
00394 int mbedtls_ecdsa_genkey( mbedtls_ecdsa_context *ctx, mbedtls_ecp_group_id gid,
00395 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
00396
00408 int mbedtls_ecdsa_from_keypair( mbedtls_ecdsa_context *ctx, const mbedtls_ecp_keypair *key );
00409
00415 void mbedtls_ecdsa_init( mbedtls_ecdsa_context *ctx );
00416
00422 void mbedtls_ecdsa_free( mbedtls_ecdsa_context *ctx );
00423
00424 #ifdef __cplusplus
00425 }
00426 #endif
00427
00428 #endif