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72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#ifndef GMSSL_EC_H
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#define GMSSL_EC_H
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#include <time.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <gmssl/sm2.h>
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#include <gmssl/oid.h>
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#include <gmssl/asn1.h>
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#include <gmssl/x509_key.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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NamedCurve:
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OID_sm2
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OID_prime192v1
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OID_prime256v1
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OID_secp256k1
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OID_secp384r1
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OID_secp521r1
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*/
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const char *ec_named_curve_name(int curve);
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int ec_named_curve_from_name(const char *name);
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int ec_named_curve_to_der(int curve, uint8_t **out, size_t *outlen);
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int ec_named_curve_from_der(int *curve, const uint8_t **in, size_t *inlen);
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/*
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ECPoint ::= OCTET STRING -- uncompressed point
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*/
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int ec_point_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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/*
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ECPrivateKey ::= SEQUENCE {
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version INTEGER, -- value MUST be (1)
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privateKey OCTET STRING, -- big endian encoding of integer
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parameters [0] EXPLICIT OBJECT IDENTIFIER OPTIONAL, -- namedCurve
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publicKey [1] EXPLICIT BIT STRING OPTIONAL -- ECPoint
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}
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*/
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// ECPrivateKey when key->algor == OID_ec_public_key
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int ec_private_key_to_der(const X509_KEY *key, int encode_params, int encode_pubkey, uint8_t **out, size_t *outlen);
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int ec_private_key_from_der(X509_KEY *key, int opt_curve, const uint8_t **in, size_t *inlen);
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int ec_private_key_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen); // from <gmssl/ec.h>
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// X509_KEY lost some information of ECPrivateKey. so no ec_private_key_print_ex(X509_KEY)
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enum {
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EC_private_key_version = 1,
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};
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int ec_private_key_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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