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- /*
- * Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the License); you may
- * not use this file except in compliance with the License.
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- */
- #ifndef GMSSL_EC_H
- #define GMSSL_EC_H
- #include <time.h>
- #include <string.h>
- #include <stdint.h>
- #include <stdlib.h>
- #include <gmssl/sm2.h>
- #include <gmssl/oid.h>
- #include <gmssl/asn1.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- /*
- NamedCurve:
- OID_sm2
- OID_prime192v1
- OID_prime256v1
- OID_secp256k1
- OID_secp384r1
- OID_secp521r1
- */
- const char *ec_named_curve_name(int curve);
- int ec_named_curve_from_name(const char *name);
- int ec_named_curve_to_der(int curve, uint8_t **out, size_t *outlen);
- int ec_named_curve_from_der(int *curve, const uint8_t **in, size_t *inlen);
- /*
- ECPoint ::= OCTET STRING -- uncompressed point
- */
- int ec_point_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
- /*
- ECPrivateKey ::= SEQUENCE {
- version INTEGER, -- value MUST be (1)
- privateKey OCTET STRING, -- big endian encoding of integer
- parameters [0] EXPLICIT OBJECT IDENTIFIER OPTIONAL, -- namedCurve
- publicKey [1] EXPLICIT BIT STRING OPTIONAL -- ECPoint
- }
- */
- enum {
- EC_private_key_version = 1,
- };
- int ec_private_key_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
- #ifdef __cplusplus
- }
- #endif
- #endif
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