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Update EDSA

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This commit is contained in:
Zhi Guan
2026-06-25 10:37:57 +08:00
parent d8ce43ffef
commit 8bd870d354
17 changed files with 2192 additions and 99 deletions
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46
include/gmssl/ecdsa.h
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@@ -7,16 +7,13 @@
* http://www.apache.org/licenses/LICENSE-2.0
*/
#ifndef GMSSL_ECDSA_H
#define GMSSL_ECDSA_H
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <gmssl/digest.h>
#include <gmssl/secp256r1_key.h>
#include <gmssl/ec.h>
#ifdef __cplusplus
@@ -24,43 +21,12 @@ extern "C" {
#endif
typedef struct {
secp256r1_t r;
secp256r1_t s;
} ECDSA_SIGNATURE;
#define ECDSA_SIGNATURE_COMPACT_SIZE 70
#define ECDSA_SIGNATURE_TYPICAL_SIZE 71
#define ECDSA_SIGNATURE_MAX_SIZE 72
int ecdsa_signature_to_der(const ECDSA_SIGNATURE *sig, uint8_t **out, size_t *outlen);
int ecdsa_signature_from_der(ECDSA_SIGNATURE *sig, const uint8_t **in, size_t *inlen);
int ecdsa_signature_print_ex(FILE *fp, int fmt, int ind, const char *label, const ECDSA_SIGNATURE *sig);
int ecdsa_signature_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *sig, size_t siglen);
int ecdsa_do_sign_ex(const SECP256R1_KEY *key, const secp256r1_t k, const uint8_t dgst[32], ECDSA_SIGNATURE *sig);
int ecdsa_do_sign(const SECP256R1_KEY *key, const uint8_t dgst[32], ECDSA_SIGNATURE *sig);
int ecdsa_do_verify(const SECP256R1_KEY *key, const uint8_t dgst[32], const ECDSA_SIGNATURE *sig);
int ecdsa_sign(const SECP256R1_KEY *key, const uint8_t dgst[32], uint8_t *sig, size_t *siglen);
int ecdsa_sign_fixlen(const SECP256R1_KEY *key, const uint8_t dgst[32], size_t siglen, uint8_t *sig);
int ecdsa_verify(const SECP256R1_KEY *key, const uint8_t dgst[32], const uint8_t *sig, size_t siglen);
typedef struct {
DIGEST_CTX digest_ctx;
SECP256R1_KEY key;
ECDSA_SIGNATURE sig;
} ECDSA_SIGN_CTX;
int ecdsa_sign_init(ECDSA_SIGN_CTX *ctx, const SECP256R1_KEY *key, const DIGEST *digest);
int ecdsa_sign_update(ECDSA_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
int ecdsa_sign_finish(ECDSA_SIGN_CTX *ctx, uint8_t *sig, size_t *siglen);
int ecdsa_sign_finish_fixlen(ECDSA_SIGN_CTX *ctx, size_t siglen, uint8_t *sig);
int ecdsa_verify_init(ECDSA_SIGN_CTX *ctx, const SECP256R1_KEY *key, const DIGEST *digest,
int ecdsa_sign(const EC_KEY *key, const uint8_t *dgst, size_t dgstlen,
uint8_t *sig, size_t *siglen);
int ecdsa_sign_fixed_len(const EC_KEY *key, const uint8_t *dgst, size_t dgstlen,
size_t siglen, uint8_t *sig);
int ecdsa_verify(const EC_KEY *key, const uint8_t *dgst, size_t dgstlen,
const uint8_t *sig, size_t siglen);
int ecdsa_verify_update(ECDSA_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
int ecdsa_verify_finish(ECDSA_SIGN_CTX *ctx);
#ifdef __cplusplus