C++ EC_GROUP_free函数代码示例

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本文整理汇总了C++中EC_GROUP_free函数的典型用法代码示例。如果您正苦于以下问题：C++ EC_GROUP_free函数的具体用法？C++ EC_GROUP_free怎么用？C++ EC_GROUP_free使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了EC_GROUP_free函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: MKEMParams_teardown

void
MKEMParams_teardown(MKEMParams *params)
{
  /* none of the values in an MKEMParams are secret, so don't bother
     clearing them */
  if (params->ctx)  BN_CTX_free(params->ctx);

  if (params->m)    BN_free((BIGNUM *)params->m);
  if (params->b)    BN_free((BIGNUM *)params->b);
  if (params->a0)   BN_free((BIGNUM *)params->a0);
  /* a1 is the static BN_value_one() constant and should not be freed */
  if (params->p0)   BN_free((BIGNUM *)params->p0);
  if (params->p1)   BN_free((BIGNUM *)params->p1);
  if (params->n0)   BN_free((BIGNUM *)params->n0);
  if (params->n1)   BN_free((BIGNUM *)params->n1);
  if (params->maxu) BN_free((BIGNUM *)params->maxu);

  if (params->c0)   EC_GROUP_free((EC_GROUP *)params->c1);
  if (params->c1)   EC_GROUP_free((EC_GROUP *)params->c1);

  if (params->g0)   EC_POINT_free((EC_POINT *)params->g0);
  if (params->g1)   EC_POINT_free((EC_POINT *)params->g1);

  memset(params, 0, sizeof(MKEMParams));
}

开发者ID:zackw，项目名称:moeller-ref，代码行数:25，代码来源:mref-o.c

示例2: e

blob WSService::pubkey_from_cert(X509* x509) {
	std::runtime_error e("Certificate error");

	EC_GROUP* ec_group = EC_GROUP_new_by_curve_name(OBJ_sn2nid("prime256v1"));
	BN_CTX* bn_ctx = BN_CTX_new();

	std::vector<uint8_t> raw_public(33);

	try {
		if(ec_group == NULL || bn_ctx == NULL) throw e;

		EVP_PKEY* remote_pkey = X509_get_pubkey(x509);	if(remote_pkey == NULL) throw e;
		EC_KEY* remote_eckey = EVP_PKEY_get1_EC_KEY(remote_pkey);	if(remote_eckey == NULL) throw e;
		const EC_POINT* remote_pubkey = EC_KEY_get0_public_key(remote_eckey);	if(remote_pubkey == NULL) throw e;

		EC_POINT_point2oct(ec_group, remote_pubkey, POINT_CONVERSION_COMPRESSED, raw_public.data(), raw_public.size(), bn_ctx);
	}catch(...){
		BN_CTX_free(bn_ctx); EC_GROUP_free(ec_group);
		bn_ctx = NULL; ec_group = NULL;

		throw;
	}

	BN_CTX_free(bn_ctx); EC_GROUP_free(ec_group);

	return raw_public;
}

开发者ID:arno01，项目名称:librevault，代码行数:27，代码来源:WSService.cpp

示例3: verify_x962_octets_are_on_p256

int verify_x962_octets_are_on_p256(const unsigned char* octets, size_t len) {
  assert(octets);
  assert(len);

  EC_GROUP* p256group = EC_GROUP_new_by_curve_name(NID_X9_62_prime256v1);
  if (!p256group) {
    fprintf(stderr, "error: EC_GROUP_new_by_curve_name() failed.\n");
    return 4;
  }

  EC_POINT* point = EC_POINT_new(p256group);
  if (!point) {
    fprintf(stderr, "error: EC_POINT_new() failed.\n");
    EC_GROUP_free(p256group);
    return 4;
  }

  if (0 == EC_POINT_oct2point(p256group, point, octets, len, NULL)) {
    fprintf(stderr, "error: EC_POINT_oct2point() failed.\n");
    EC_POINT_free(point);
    EC_GROUP_free(p256group);
    return 4;
  }

  if (0 == EC_POINT_is_on_curve(p256group, point, NULL)) {
    fprintf(stderr, "error: Public key point isn't on P-256 curve.\n");
    EC_POINT_free(point);
    EC_GROUP_free(p256group);
    return 4;
  }

  EC_POINT_free(point);
  EC_GROUP_free(p256group);
  return 0;
}

开发者ID:0963682490，项目名称:omaha，代码行数:35，代码来源:eckeytool.c

示例4: eckey_pub_decode

static int eckey_pub_decode(EVP_PKEY *out, CBS *params, CBS *key) {
  // See RFC 5480, section 2.

  // The parameters are a named curve.
  EC_POINT *point = NULL;
  EC_KEY *eckey = NULL;
  EC_GROUP *group = EC_KEY_parse_curve_name(params);
  if (group == NULL || CBS_len(params) != 0) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_DECODE_ERROR);
    goto err;
  }

  eckey = EC_KEY_new();
  if (eckey == NULL || !EC_KEY_set_group(eckey, group)) {
    goto err;
  }

  point = EC_POINT_new(group);
  if (point == NULL ||
      !EC_POINT_oct2point(group, point, CBS_data(key), CBS_len(key), NULL) ||
      !EC_KEY_set_public_key(eckey, point)) {
    goto err;
  }

  EC_GROUP_free(group);
  EC_POINT_free(point);
  EVP_PKEY_assign_EC_KEY(out, eckey);
  return 1;

err:
  EC_GROUP_free(group);
  EC_POINT_free(point);
  EC_KEY_free(eckey);
  return 0;
}

开发者ID:0x64616E69656C，项目名称:boringssl，代码行数:35，代码来源:p_ec_asn1.c

示例5: ecdsa_private_key_import

static int
ecdsa_private_key_import(hx509_context context,
                         const AlgorithmIdentifier *keyai,
                         const void *data,
                         size_t len,
                         hx509_key_format_t format,
                         hx509_private_key private_key)
{
    const unsigned char *p = data;
    EC_KEY **pkey = NULL;
    EC_KEY *key;

    if (keyai->parameters) {
        EC_GROUP *group;
        int groupnid;
        int ret;

        ret = parse_ECParameters(context, keyai->parameters, &groupnid);
        if (ret)
            return ret;

        key = EC_KEY_new();
        if (key == NULL)
            return ENOMEM;

        group = EC_GROUP_new_by_curve_name(groupnid);
        if (group == NULL) {
            EC_KEY_free(key);
            return ENOMEM;
        }
        EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
        if (EC_KEY_set_group(key, group) == 0) {
            EC_KEY_free(key);
            EC_GROUP_free(group);
            return ENOMEM;
        }
        EC_GROUP_free(group);
        pkey = &key;
    }

    switch (format) {
    case HX509_KEY_FORMAT_DER:

        private_key->private_key.ecdsa = d2i_ECPrivateKey(pkey, &p, len);
        if (private_key->private_key.ecdsa == NULL) {
            hx509_set_error_string(context, 0, HX509_PARSING_KEY_FAILED,
                                   "Failed to parse EC private key");
            return HX509_PARSING_KEY_FAILED;
        }
        private_key->signature_alg = ASN1_OID_ID_ECDSA_WITH_SHA256;
        break;

    default:
        return HX509_CRYPTO_KEY_FORMAT_UNSUPPORTED;
    }

    return 0;
}

开发者ID:heimdal，项目名称:heimdal，代码行数:58，代码来源:crypto-ec.c

示例6: param_decode_gost01

static int
param_decode_gost01(EVP_PKEY *pkey, const unsigned char **pder, int derlen)
{
	ASN1_OBJECT *obj = NULL;
	int nid;
	GOST_KEY *ec;
	EC_GROUP *group;
	int ret;

	/* New format */
	if ((V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED) == **pder)
		return decode_gost01_algor_params(pkey, pder, derlen);

	/* Compatibility */
	if (d2i_ASN1_OBJECT(&obj, pder, derlen) == NULL) {
		GOSTerr(GOST_F_PARAM_DECODE_GOST01, ERR_R_MALLOC_FAILURE);
		return 0;
	}
	nid = OBJ_obj2nid(obj);
	ASN1_OBJECT_free(obj);

	ec = GOST_KEY_new();
	if (ec == NULL) {
		GOSTerr(GOST_F_PARAM_DECODE_GOST01, ERR_R_MALLOC_FAILURE);
		return 0;
	}
	group = EC_GROUP_new_by_curve_name(nid);
	if (group == NULL) {
		GOSTerr(GOST_F_PARAM_DECODE_GOST01,
		    EC_R_EC_GROUP_NEW_BY_NAME_FAILURE);
		GOST_KEY_free(ec);
		return 0;
	}

	EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
	if (GOST_KEY_set_group(ec, group) == 0) {
		GOSTerr(GOST_F_PARAM_DECODE_GOST01, ERR_R_EC_LIB);
		EC_GROUP_free(group);
		GOST_KEY_free(ec);
		return 0;
	}
	EC_GROUP_free(group);
	if (GOST_KEY_set_digest(ec,
	    NID_id_GostR3411_94_CryptoProParamSet) == 0) {
		GOSTerr(GOST_F_PARAM_DECODE_GOST01, GOST_R_INVALID_DIGEST_TYPE);
		GOST_KEY_free(ec);
		return 0;
	}
	ret = EVP_PKEY_assign_GOST(pkey, ec);
	if (ret == 0)
		GOST_KEY_free(ec);
	return ret;
}

开发者ID:ajinkya93，项目名称:OpenBSD，代码行数:53，代码来源:gostr341001_ameth.c

示例7: internal_curve_test

void internal_curve_test(void)
	{
	EC_builtin_curve *curves = NULL;
	size_t crv_len = 0, n = 0;
	int    ok = 1;

	crv_len = EC_get_builtin_curves(NULL, 0);

	curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);

	if (curves == NULL)
		return;

	if (!EC_get_builtin_curves(curves, crv_len))
		{
		OPENSSL_free(curves);
		return;
		}

	fprintf(stdout, "testing internal curves: ");
		
	for (n = 0; n < crv_len; n++)
		{
		EC_GROUP *group = NULL;
		int nid = curves[n].nid;
		if ((group = EC_GROUP_new_by_curve_name(nid)) == NULL)
			{
			ok = 0;
			fprintf(stdout, "\nEC_GROUP_new_curve_name() failed with"
				" curve %s\n", OBJ_nid2sn(nid));
			/* try next curve */
			continue;
			}
		if (!EC_GROUP_check(group, NULL))
			{
			ok = 0;
			fprintf(stdout, "\nEC_GROUP_check() failed with"
				" curve %s\n", OBJ_nid2sn(nid));
			EC_GROUP_free(group);
			/* try the next curve */
			continue;
			}
		fprintf(stdout, ".");
		fflush(stdout);
		EC_GROUP_free(group);
		}
	if (ok)
		fprintf(stdout, " ok\n");
	else
		fprintf(stdout, " failed\n");
	OPENSSL_free(curves);
	return;
	}

开发者ID:174high，项目名称:openssl-0.9.8e_linux_porting，代码行数:53，代码来源:ectest.c

示例8: decode_user_key

u2fs_rc decode_user_key(const unsigned char *data, u2fs_EC_KEY_t ** key)
{

  if (key == NULL)
    return U2FS_MEMORY_ERROR;

  EC_GROUP *ecg = EC_GROUP_new_by_curve_name(NID_X9_62_prime256v1);
  *key = (u2fs_EC_KEY_t *) EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);

  EC_POINT *point = EC_POINT_new(ecg);
  point_conversion_form_t pcf = POINT_CONVERSION_UNCOMPRESSED;
  EC_GROUP_set_point_conversion_form(ecg, pcf);

  if (EC_POINT_oct2point(ecg, point, data, U2FS_PUBLIC_KEY_LEN, NULL) == 0) {
    if (debug) {
      unsigned long err = 0;
      err = ERR_get_error();
      fprintf(stderr, "Error: %s, %s, %s\n",
              ERR_lib_error_string(err),
              ERR_func_error_string(err), ERR_reason_error_string(err));
    }
    *key = NULL;
    EC_GROUP_free(ecg);
    ecg = NULL;
    EC_POINT_free(point);
    point = NULL;
    return U2FS_CRYPTO_ERROR;
  }

  EC_GROUP_free(ecg);
  ecg = NULL;

  if (EC_KEY_set_public_key((EC_KEY *) * key, point) == 0) {
    if (debug) {
      unsigned long err = 0;
      err = ERR_get_error();
      fprintf(stderr, "Error: %s, %s, %s\n",
              ERR_lib_error_string(err),
              ERR_func_error_string(err), ERR_reason_error_string(err));
    }
    *key = NULL;
    EC_POINT_free(point);
    point = NULL;
    return U2FS_CRYPTO_ERROR;
  }

  EC_POINT_free(point);
  point = NULL;

  return U2FS_OK;

}

开发者ID:Yubico，项目名称:libu2f-server-dpkg，代码行数:52，代码来源:openssl.c

示例9: SecretToPublicKey

int SecretToPublicKey(const ec_secret& secret, ec_point& out)
{
    // -- public key = private * G
    int rv = 0;
    
    EC_GROUP* ecgrp = EC_GROUP_new_by_curve_name(NID_secp256k1);
    
    if (!ecgrp)
    {
        LogPrintf("SecretToPublicKey(): EC_GROUP_new_by_curve_name failed.\n");
        return 1;
    };

    BIGNUM* bnIn = BN_bin2bn(&secret.e[0], ec_secret_size, BN_new());
    if (!bnIn)
    {
        EC_GROUP_free(ecgrp);
        LogPrintf("SecretToPublicKey(): BN_bin2bn failed\n");
        return 1;
    };
    
    EC_POINT* pub = EC_POINT_new(ecgrp);
    
    
    EC_POINT_mul(ecgrp, pub, bnIn, NULL, NULL, NULL);
    
    BIGNUM* bnOut = EC_POINT_point2bn(ecgrp, pub, POINT_CONVERSION_COMPRESSED, BN_new(), NULL);
    if (!bnOut)
    {
        LogPrintf("SecretToPublicKey(): point2bn failed\n");
        rv = 1;
    } else
    {
        out.resize(ec_compressed_size);
        if (BN_num_bytes(bnOut) != (int) ec_compressed_size
            || BN_bn2bin(bnOut, &out[0]) != (int) ec_compressed_size)
        {
            LogPrintf("SecretToPublicKey(): bnOut incorrect length.\n");
            rv = 1;
        };
        
        BN_free(bnOut);
    };
    
    
    EC_POINT_free(pub);
    BN_free(bnIn);
    EC_GROUP_free(ecgrp);
    
    return rv;
};

开发者ID:BitTokenDev，项目名称:BitToken，代码行数:51，代码来源:stealth.cpp

示例10: BN_CTX_new

EC_GROUP * ECDSAKeyPair::createGroup(const EllipticCurve& curve) {
	BN_CTX *ctx;
	EC_GROUP *group;
	EC_POINT *generator;

	/* Set up the BN_CTX */
	ctx = BN_CTX_new();
	if (ctx == NULL){
		throw AsymmetricKeyException(AsymmetricKeyException::INTERNAL_ERROR,
				"Failed to create BN_CTX", "ECDSAKeyPair::createGroup");
	}

	/* Create the curve */
	group = EC_GROUP_new_curve_GFp(curve.BN_p(), curve.BN_a(),	curve.BN_b(), ctx);
	if (group == NULL) {
		BN_CTX_free(ctx);
		throw AsymmetricKeyException(AsymmetricKeyException::INTERNAL_ERROR,
				"Failed to create group", "ECDSAKeyPair::createGroup");
	}

	/* Create the generator */
	generator = EC_POINT_new(group);
	if (generator == NULL) {
		BN_CTX_free(ctx);
		EC_GROUP_free(group);
		throw AsymmetricKeyException(AsymmetricKeyException::INTERNAL_ERROR,
				"Failed to create generator", "ECDSAKeyPair::createGroup");
	}

	if (1 != EC_POINT_set_affine_coordinates_GFp(group, generator, curve.BN_x(), curve.BN_y(), ctx)) {
		BN_CTX_free(ctx);
		EC_GROUP_free(group);
		throw AsymmetricKeyException(AsymmetricKeyException::INTERNAL_ERROR,
				"Failed to set the affine coordinates of a EC_POINT over GFp",
				"ECDSAKeyPair::createGroup");
	}

	/* Set the generator and the order */
	if (1 != EC_GROUP_set_generator(group, generator, curve.BN_order(),	curve.BN_cofactor())) {
		BN_CTX_free(ctx);
		EC_GROUP_free(group);
		EC_POINT_free(generator);
		throw AsymmetricKeyException(AsymmetricKeyException::INTERNAL_ERROR,
				"Failed to set generator and order", "ECDSAKeyPair::createGroup");
	}

	EC_POINT_free(generator);
	BN_CTX_free(ctx);

	return group;
}

开发者ID:GNakayama，项目名称:libcryptosec，代码行数:51，代码来源:ECDSAKeyPair.cpp

示例11: switch

void pki_evp::generate(int bits, int type, QProgressBar *progress, int curve_nid)
{
	RSA *rsakey;
	DSA *dsakey;
	EC_KEY *eckey;

	progress->setMinimum(0);
	progress->setMaximum(100);
	progress->setValue(50);

	switch (type) {
	case EVP_PKEY_RSA:
		rsakey = RSA_generate_key(bits, 0x10001, inc_progress_bar,
			progress);
		if (rsakey)
			EVP_PKEY_assign_RSA(key, rsakey);
		break;
	case EVP_PKEY_DSA:
		progress->setMaximum(500);
		dsakey = DSA_generate_parameters(bits, NULL, 0, NULL, NULL,
				inc_progress_bar, progress);
		DSA_generate_key(dsakey);
		if (dsakey)
			EVP_PKEY_assign_DSA(key, dsakey);
		break;
	case EVP_PKEY_EC:
		EC_GROUP *group = EC_GROUP_new_by_curve_name(curve_nid);
		if (!group)
			break;
		eckey = EC_KEY_new();
		if (eckey == NULL) {
			EC_GROUP_free(group);
			break;
		}
		EC_GROUP_set_asn1_flag(group, 1);
		if (EC_KEY_set_group(eckey, group)) {
			if (EC_KEY_generate_key(eckey)) {
				EVP_PKEY_assign_EC_KEY(key, eckey);
				EC_GROUP_free(group);
				break;
			}
		}
		EC_KEY_free(eckey);
		EC_GROUP_free(group);
		break;
	}
	pki_openssl_error();
	encryptKey();
}

开发者ID:J-Javan，项目名称:xca，代码行数:49，代码来源:pki_evp.cpp

示例12: ec_param_free

void ec_param_free(ec_param *ecp)
{
	if (ecp)
	{
		BN_free(ecp->p);
		ecp->p = NULL;
		BN_free(ecp->a);
		ecp->a = NULL;
		BN_free(ecp->b);
		ecp->b = NULL;
		BN_free(ecp->n);
		ecp->n = NULL;
		if (ecp->G)
		{
			xy_ecpoint_free(ecp->G);
			ecp->G = NULL;
		}
		if (ecp->group)
		{
			EC_GROUP_free(ecp->group);
			ecp->group = NULL;
		}
		BN_CTX_free(ecp->ctx);
		ecp->ctx = NULL;
		OPENSSL_free(ecp);
	}
}

开发者ID:JustFei，项目名称:SM2Test，代码行数:27，代码来源:ec_param.c

示例13: BN_CTX_new

bool CECKey::TweakSecret(unsigned char vchSecretOut[32], const unsigned char vchSecretIn[32], const unsigned char vchTweak[32])
{
    bool ret = true;
    BN_CTX *ctx = BN_CTX_new();
    BN_CTX_start(ctx);
    BIGNUM *bnSecret = BN_CTX_get(ctx);
    BIGNUM *bnTweak = BN_CTX_get(ctx);
    BIGNUM *bnOrder = BN_CTX_get(ctx);
    EC_GROUP *group = EC_GROUP_new_by_curve_name(NID_secp256k1);
    EC_GROUP_get_order(group, bnOrder, ctx); // what a grossly inefficient way to get the (constant) group order...
    BN_bin2bn(vchTweak, 32, bnTweak);
    if (BN_cmp(bnTweak, bnOrder) >= 0)
        ret = false; // extremely unlikely
    BN_bin2bn(vchSecretIn, 32, bnSecret);
    BN_add(bnSecret, bnSecret, bnTweak);
    BN_nnmod(bnSecret, bnSecret, bnOrder, ctx);
    if (BN_is_zero(bnSecret))
        ret = false; // ridiculously unlikely
    int nBits = BN_num_bits(bnSecret);
    memset(vchSecretOut, 0, 32);
    BN_bn2bin(bnSecret, &vchSecretOut[32-(nBits+7)/8]);
    EC_GROUP_free(group);
    BN_CTX_end(ctx);
    BN_CTX_free(ctx);
    return ret;
}

开发者ID:flirtcoin，项目名称:flirtcoin，代码行数:26，代码来源:ecwrapper.cpp

示例14: keygen

static EC_KEY *
keygen(const char *dbdir, const char *name,
       const char *grpname, const char *use, bool adv,
       const char *file, int line)
{
    char fname[PATH_MAX];
    char cmd[PATH_MAX*2];
    EC_GROUP *grp = NULL;
    EC_KEY *key = NULL;
    FILE *f = NULL;

    test(snprintf(fname, sizeof(fname), "%s/%s", dbdir, name) > 0);
    test(snprintf(cmd, sizeof(cmd),
	          "../progs/tang-gen -%c %s %s %s >/dev/null",
	          adv ? 'A' : 'a', grpname, use, fname) > 1);

    test(system(cmd) == 0);
    test(f = fopen(fname, "r"));

    test(grp = PEM_read_ECPKParameters(f, NULL, NULL, NULL));
    test(EC_GROUP_get_curve_name(grp) != NID_undef);

    test(key = PEM_read_ECPrivateKey(f, NULL, NULL, NULL));
    test(EC_KEY_set_group(key, grp) > 0);

    EC_GROUP_free(grp);
    fclose(f);
    return key;
}

开发者ID:ep69，项目名称:tang，代码行数:29，代码来源:client.c

示例15: throw

ECDSAKeyPair::ECDSAKeyPair(ByteArray& derEncoded) throw (AsymmetricKeyException) {
	this->key = NULL;
	this->engine = NULL;
	EC_GROUP * group = createGroup(derEncoded);
	generateKey(group);
	EC_GROUP_free(group);
}

开发者ID:GNakayama，项目名称:libcryptosec，代码行数:7，代码来源:ECDSAKeyPair.cpp

示例16: main

int main(void) {
    int i;
    secp256k1_pubkey pubkey;
    secp256k1_ecdsa_signature sig;
    benchmark_verify_t data;

    data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);

    for (i = 0; i < 32; i++) {
        data.msg[i] = 1 + i;
    }
    for (i = 0; i < 32; i++) {
        data.key[i] = 33 + i;
    }
    data.siglen = 72;
    CHECK(secp256k1_ecdsa_sign(data.ctx, &sig, data.msg, data.key, NULL, NULL));
    CHECK(secp256k1_ecdsa_signature_serialize_der(data.ctx, data.sig, &data.siglen, &sig));
    CHECK(secp256k1_ec_pubkey_create(data.ctx, &pubkey, data.key));
    data.pubkeylen = 33;
    CHECK(secp256k1_ec_pubkey_serialize(data.ctx, data.pubkey, &data.pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED) == 1);

    run_benchmark("ecdsa_verify", benchmark_verify, NULL, NULL, &data, 10, 20000);
#ifdef ENABLE_OPENSSL_TESTS
    data.ec_group = EC_GROUP_new_by_curve_name(NID_secp256k1);
    run_benchmark("ecdsa_verify_openssl", benchmark_verify_openssl, NULL, NULL, &data, 10, 20000);
    EC_GROUP_free(data.ec_group);
#endif

    secp256k1_context_destroy(data.ctx);
    return 0;
}

开发者ID:Emercoin，项目名称:emercoin，代码行数:31，代码来源:bench_verify.c

示例17: BN_CTX_new

EC_GROUP *EC_GROUP_new_arbitrary(const BIGNUM *p, const BIGNUM *a,
                                 const BIGNUM *b, const BIGNUM *gx,
                                 const BIGNUM *gy, const BIGNUM *order,
                                 const BIGNUM *cofactor) {
  BN_CTX *ctx = BN_CTX_new();
  if (ctx == NULL) {
    return NULL;
  }

  EC_POINT *generator = NULL;
  EC_GROUP *ret = EC_GROUP_new_curve_GFp(p, a, b, ctx);
  if (ret == NULL) {
    goto err;
  }

  generator = EC_POINT_new(ret);
  if (generator == NULL ||
      !EC_POINT_set_affine_coordinates_GFp(ret, generator, gx, gy, ctx) ||
      !EC_GROUP_set_generator(ret, generator, order, cofactor)) {
    goto err;
  }

  EC_POINT_free(generator);
  BN_CTX_free(ctx);
  return ret;

err:
  EC_POINT_free(generator);
  EC_GROUP_free(ret);
  BN_CTX_free(ctx);
  return NULL;
}

开发者ID:Cyril2004，项目名称:proto-quic，代码行数:32，代码来源:ec.c

示例18: ERR_load_BIO_strings

	EC_KEY* crypt_ec_helper::load_key_pair(std::string path)
	{
		BIO *in;
		int i;
		FILE* infile;
		EVP_PKEY *pkey = NULL;

		ERR_load_BIO_strings();
		ERR_load_crypto_strings();

		pkey = EVP_PKEY_new();

		EC_GROUP *ecgroup = EC_GROUP_new_by_curve_name(NID_secp256k1);

		infile = fopen(path.c_str(), "r");

		in = BIO_new(BIO_s_file());
		in = BIO_new_fp(infile, BIO_NOCLOSE);

		PEM_read_bio_PrivateKey(in, &pkey, NULL, NULL);

		fclose(infile);

		eckey = EVP_PKEY_get1_EC_KEY(pkey);

		EC_GROUP_free(ecgroup);
		EVP_PKEY_free(pkey);
		BIO_free_all(in);

		return eckey;
	}

开发者ID:decentralised-project，项目名称:dc-gui，代码行数:31，代码来源:crypt_ec_helper.cpp

示例19: EC_KEY_free

void EC_KEY_free(EC_KEY *r)
	{
	int i;

	if (r == NULL) return;

	i=CRYPTO_add(&r->references,-1,CRYPTO_LOCK_EC);
#ifdef REF_PRINT
	REF_PRINT("EC_KEY",r);
#endif
	if (i > 0) return;
#ifdef REF_CHECK
	if (i < 0)
		{
		fprintf(stderr,"EC_KEY_free, bad reference count\n");
		abort();
		}
#endif

	if (r->group    != NULL) 
		EC_GROUP_free(r->group);
	if (r->pub_key  != NULL)
		EC_POINT_free(r->pub_key);
	if (r->priv_key != NULL)
		BN_clear_free(r->priv_key);

	EC_EX_DATA_free_all_data(&r->method_data);

	OPENSSL_cleanse((void *)r, sizeof(EC_KEY));

	OPENSSL_free(r);
	}

开发者ID:LucidOne，项目名称:Rovio，代码行数:32，代码来源:ec_key.c

示例20: HDW_public_data_from_private_data

int HDW_public_data_from_private_data(uint8_t *key_data, size_t key_data_len, BIGNUM *public_compressed_key) {

    int res = 1;

    EC_GROUP *group = EC_GROUP_new_by_curve_name(NID_secp256k1);
    BIGNUM *priv = BN_new();
    EC_POINT *ec_point = EC_POINT_new(group);

    FCHK_SET(BN_bin2bn(key_data, (int) key_data_len, priv), ==0, res, fail, 0);

    // Generate public key.
    FCHK(EC_POINT_mul(group, ec_point, priv, NULL, NULL, NULL), ==0, res, fail);

    FCHK_SET(EC_POINT_point2bn(group, ec_point, POINT_CONVERSION_COMPRESSED, public_compressed_key, NULL), ==0, res,
             fail, 0);

    FCHK_SET(BN_num_bytes(public_compressed_key), !=33, res, fail, 0);


    fail:
    if (res == 0) {
        BN_zero(public_compressed_key);
    }
    EC_POINT_free(ec_point);
    BN_free(priv);
    EC_GROUP_free(group);
    return res;

}

开发者ID:marctrem，项目名称:BIP32c，代码行数:29，代码来源:hdwallet.c

注：本文中的EC_GROUP_free函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ EC_GROUP_free函数代码示例

示例1: MKEMParams_teardown

示例2: e

示例3: verify_x962_octets_are_on_p256

示例4: eckey_pub_decode

示例5: ecdsa_private_key_import

示例6: param_decode_gost01

示例7: internal_curve_test

示例8: decode_user_key

示例9: SecretToPublicKey

示例10: BN_CTX_new

示例11: switch

示例12: ec_param_free

示例13: BN_CTX_new

示例14: keygen

示例15: throw

示例16: main

示例17: BN_CTX_new

示例18: ERR_load_BIO_strings

示例19: EC_KEY_free

示例20: HDW_public_data_from_private_data

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