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32 #ifndef MBEDTLS_ECDSA_H
33 #define MBEDTLS_ECDSA_H
35 #if !defined(MBEDTLS_CONFIG_FILE)
38 #include MBEDTLS_CONFIG_FILE
58 #if MBEDTLS_ECP_MAX_BYTES > 124
59 #error "MBEDTLS_ECP_MAX_BYTES bigger than expected, please fix MBEDTLS_ECDSA_MAX_LEN"
62 #define MBEDTLS_ECDSA_MAX_LEN ( 3 + 2 * ( 3 + MBEDTLS_ECP_MAX_BYTES ) )
77 #if defined(MBEDTLS_ECP_RESTARTABLE)
84 typedef struct mbedtls_ecdsa_restart_ver mbedtls_ecdsa_restart_ver_ctx;
91 typedef struct mbedtls_ecdsa_restart_sig mbedtls_ecdsa_restart_sig_ctx;
93 #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
99 typedef struct mbedtls_ecdsa_restart_det mbedtls_ecdsa_restart_det_ctx;
109 mbedtls_ecdsa_restart_ver_ctx *ver;
110 mbedtls_ecdsa_restart_sig_ctx *sig;
111 #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
112 mbedtls_ecdsa_restart_det_ctx *det;
160 const mbedtls_mpi *d,
const unsigned char *buf,
size_t blen,
161 int (*f_rng)(
void *,
unsigned char *,
size_t),
void *p_rng );
163 #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
214 const unsigned char *buf,
size_t blen,
257 const unsigned char *buf,
size_t blen,
259 int (*f_rng_blind)(
void *,
unsigned char *,
297 const unsigned char *buf,
size_t blen,
350 const unsigned char *hash,
size_t hlen,
351 unsigned char *sig,
size_t *slen,
352 int (*f_rng)(
void *,
unsigned char *,
size_t),
396 const unsigned char *hash,
size_t hlen,
397 unsigned char *sig,
size_t *slen,
398 int (*f_rng)(
void *,
unsigned char *,
size_t),
402 #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
403 #if ! defined(MBEDTLS_DEPRECATED_REMOVED)
404 #if defined(MBEDTLS_DEPRECATED_WARNING)
405 #define MBEDTLS_DEPRECATED __attribute__((deprecated))
407 #define MBEDTLS_DEPRECATED
453 const unsigned char *hash,
size_t hlen,
454 unsigned char *sig,
size_t *slen,
456 #undef MBEDTLS_DEPRECATED
488 const unsigned char *hash,
size_t hlen,
489 const unsigned char *sig,
size_t slen );
523 const unsigned char *hash,
size_t hlen,
524 const unsigned char *sig,
size_t slen,
544 int (*f_rng)(
void *,
unsigned char *,
size_t),
void *p_rng );
581 #if defined(MBEDTLS_ECP_RESTARTABLE)
mbedtls_md_type_t
Supported message digests.
int mbedtls_ecdsa_sign(mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s, const mbedtls_mpi *d, const unsigned char *buf, size_t blen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
This function computes the ECDSA signature of a previously-hashed message.
This file provides an API for Elliptic Curves over GF(P) (ECP).
int mbedtls_ecdsa_sign_det(mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s, const mbedtls_mpi *d, const unsigned char *buf, size_t blen, mbedtls_md_type_t md_alg)
This function computes the ECDSA signature of a previously-hashed message, deterministic version.
#define MBEDTLS_DEPRECATED
int mbedtls_ecdsa_write_signature(mbedtls_ecdsa_context *ctx, mbedtls_md_type_t md_alg, const unsigned char *hash, size_t hlen, unsigned char *sig, size_t *slen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
This function computes the ECDSA signature and writes it to a buffer, serialized as defined in RFC-44...
This file contains the generic message-digest wrapper.
void mbedtls_ecp_restart_ctx
void mbedtls_ecdsa_restart_ctx
int mbedtls_ecdsa_from_keypair(mbedtls_ecdsa_context *ctx, const mbedtls_ecp_keypair *key)
This function sets up an ECDSA context from an EC key pair.
void mbedtls_ecdsa_init(mbedtls_ecdsa_context *ctx)
This function initializes an ECDSA context.
int mbedtls_ecdsa_read_signature(mbedtls_ecdsa_context *ctx, const unsigned char *hash, size_t hlen, const unsigned char *sig, size_t slen)
This function reads and verifies an ECDSA signature.
void mbedtls_ecdsa_free(mbedtls_ecdsa_context *ctx)
This function frees an ECDSA context.
The ECP key-pair structure.
int mbedtls_ecdsa_verify(mbedtls_ecp_group *grp, const unsigned char *buf, size_t blen, const mbedtls_ecp_point *Q, const mbedtls_mpi *r, const mbedtls_mpi *s)
This function verifies the ECDSA signature of a previously-hashed message.
int mbedtls_ecdsa_sign_det_ext(mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s, const mbedtls_mpi *d, const unsigned char *buf, size_t blen, mbedtls_md_type_t md_alg, int(*f_rng_blind)(void *, unsigned char *, size_t), void *p_rng_blind)
This function computes the ECDSA signature of a previously-hashed message, deterministic version.
int mbedtls_ecdsa_read_signature_restartable(mbedtls_ecdsa_context *ctx, const unsigned char *hash, size_t hlen, const unsigned char *sig, size_t slen, mbedtls_ecdsa_restart_ctx *rs_ctx)
This function reads and verifies an ECDSA signature, in a restartable way.
int mbedtls_ecdsa_genkey(mbedtls_ecdsa_context *ctx, mbedtls_ecp_group_id gid, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)
This function generates an ECDSA keypair on the given curve.
Configuration options (set of defines)
int mbedtls_ecdsa_write_signature_det(mbedtls_ecdsa_context *ctx, const unsigned char *hash, size_t hlen, unsigned char *sig, size_t *slen, mbedtls_md_type_t md_alg) MBEDTLS_DEPRECATED
This function computes an ECDSA signature and writes it to a buffer, serialized as defined in RFC-449...
The ECP point structure, in Jacobian coordinates.
mbedtls_ecp_keypair mbedtls_ecdsa_context
The ECDSA context structure.
int mbedtls_ecdsa_write_signature_restartable(mbedtls_ecdsa_context *ctx, mbedtls_md_type_t md_alg, const unsigned char *hash, size_t hlen, unsigned char *sig, size_t *slen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng, mbedtls_ecdsa_restart_ctx *rs_ctx)
This function computes the ECDSA signature and writes it to a buffer, in a restartable way.