Java ECNamedCurveTable类代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› Java›Java编程经验

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Java中org.spongycastle.jce.ECNamedCurveTable类的典型用法代码示例。如果您正苦于以下问题：Java ECNamedCurveTable类的具体用法？Java ECNamedCurveTable怎么用？Java ECNamedCurveTable使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

ECNamedCurveTable类属于org.spongycastle.jce包，在下文中一共展示了ECNamedCurveTable类的13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Java代码示例。

示例1: loadEcPublicKey

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
private static Key loadEcPublicKey(final byte [] pubKey,
                                      final EcCurve curveName) throws NoSuchAlgorithmException,
                                                                      InvalidKeySpecException {
    final ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName.toString());
    KeyFactory kf;
	try {
		kf = KeyFactory.getInstance(ECDH, BouncyCastleProvider.PROVIDER_NAME);
	}
	catch (final NoSuchProviderException e) {
		kf = KeyFactory.getInstance(ECDH);
	}
    final ECNamedCurveSpec params = new ECNamedCurveSpec(curveName.toString(), spec.getCurve(), spec.getG(), spec.getN());
    final ECPoint point =  ECPointUtil.decodePoint(params.getCurve(), pubKey);
    final java.security.spec.ECPublicKeySpec pubKeySpec = new java.security.spec.ECPublicKeySpec(point, params);
    return kf.generatePublic(pubKeySpec);
}

开发者ID:MiFirma，项目名称:mi-firma-android，代码行数:17，代码来源:JseCryptoHelper.java

示例2: getEcPoint

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
@Override
public AlgorithmParameterSpec getEcPoint(final byte[] nonceS, final byte[] sharedSecretH, final EcCurve curveName) {
	final AlgorithmParameterSpec ecParams = ECNamedCurveTable.getParameterSpec(curveName.toString());
	final BigInteger affineX = os2i(sharedSecretH);
	final BigInteger affineY = computeAffineY(affineX, (ECParameterSpec) ecParams);
	final ECPoint sharedSecretPointH = new ECPoint(affineX, affineY);
	return mapNonceGMWithECDH(os2i(nonceS), sharedSecretPointH, (ECParameterSpec) ecParams);
}

开发者ID:MiFirma，项目名称:mi-firma-android，代码行数:9，代码来源:JseCryptoHelper.java

示例3: getParameterSpec

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Retrieves the parameters of the given elliptic curve.
 * @param curveName The curve name
 * @param custom Custom or not?
 * @return The elliptic curve parameters.
 */
private static ECParameterSpec getParameterSpec(String curveName, boolean custom) {
    if(custom) {
        X9ECParameters ecP = CustomNamedCurves.getByName(curveName);
        return new ECParameterSpec(ecP.getCurve(), ecP.getG(),
                ecP.getN(), ecP.getH(), ecP.getSeed());

    }
    return ECNamedCurveTable.getParameterSpec(curveName);
}

开发者ID:wkmeijer，项目名称:CS4160-trustchain-android，代码行数:16，代码来源:Key.java

示例4: generate

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
public static KeyPair generate () throws NoSuchAlgorithmException, InvalidAlgorithmParameterException {
    SecureRandom random = new SecureRandom();
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("secp256r1");
    KeyPairGenerator g = KeyPairGenerator.getInstance("ECDSA");
    g.initialize(ecSpec, random);
    return g.generateKeyPair();
}

开发者ID:zsavvas，项目名称:ReCRED_FIDO_UAF_OIDC，代码行数:8，代码来源:KeyCodec.java

示例5: getPubKeyFromCurve

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Decode based on X, Y 32 byte integers
 * @param pubKey
 * @param curveName - Example secp256r1
 * @return
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 */
public static PublicKey getPubKeyFromCurve (byte[] pubKey, String curveName) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchProviderException {
 
 ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName);
  KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
  ECNamedCurveSpec params = new ECNamedCurveSpec(curveName, spec.getCurve(), spec.getG(), spec.getN());
  ECPoint point =  ECPointUtil.decodePoint(params.getCurve(), pubKey);
  ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(point, params);
  ECPublicKey pk = (ECPublicKey) kf.generatePublic(pubKeySpec);
  return pk;
}

开发者ID:zsavvas，项目名称:ReCRED_FIDO_UAF_OIDC，代码行数:20，代码来源:KeyCodec.java

示例6: getPrivKeyFromCurve

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Decode based on d - 32 byte integer
 * @param privKey
 * @param curveName - Example secp256r1
 * @return
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 */
public static PrivateKey getPrivKeyFromCurve (byte[] privKey, String curveName) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchProviderException {
 
 ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName);
  KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
  ECNamedCurveSpec params = new ECNamedCurveSpec(curveName, spec.getCurve(), spec.getG(), spec.getN());
  ECPrivateKeySpec priKey = new ECPrivateKeySpec(
             new BigInteger(privKey), // d
             params);
  return kf.generatePrivate(priKey);
}

开发者ID:zsavvas，项目名称:ReCRED_FIDO_UAF_OIDC，代码行数:20，代码来源:KeyCodec.java

示例7: generate

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
public static KeyPair generate() throws NoSuchAlgorithmException, InvalidAlgorithmParameterException {
    SecureRandom random = new SecureRandom();
    ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec("secp256r1");
    KeyPairGenerator g = KeyPairGenerator.getInstance("ECDSA");
    g.initialize(ecSpec, random);
    return g.generateKeyPair();
}

开发者ID:eBay，项目名称:UAF，代码行数:8，代码来源:KeyCodec.java

示例8: getPubKeyFromCurve

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Decode based on X, Y 32 byte integers
 *
 * @param pubKey
 * @param curveName - Example secp256r1
 * @return
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 */
public static PublicKey getPubKeyFromCurve(byte[] pubKey, String curveName) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchProviderException {

    ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName);
    KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
    ECNamedCurveSpec params = new ECNamedCurveSpec(curveName, spec.getCurve(), spec.getG(), spec.getN());
    ECPoint point = ECPointUtil.decodePoint(params.getCurve(), pubKey);
    ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(point, params);
    ECPublicKey pk = (ECPublicKey) kf.generatePublic(pubKeySpec);
    return pk;
}

开发者ID:eBay，项目名称:UAF，代码行数:21，代码来源:KeyCodec.java

示例9: getPrivKeyFromCurve

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * Decode based on d - 32 byte integer
 *
 * @param privKey
 * @param curveName - Example secp256r1
 * @return
 * @throws InvalidKeySpecException
 * @throws NoSuchAlgorithmException
 * @throws NoSuchProviderException
 */
public static PrivateKey getPrivKeyFromCurve(byte[] privKey, String curveName) throws InvalidKeySpecException, NoSuchAlgorithmException, NoSuchProviderException {

    ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec(curveName);
    KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
    ECNamedCurveSpec params = new ECNamedCurveSpec(curveName, spec.getCurve(), spec.getG(), spec.getN());
    ECPrivateKeySpec priKey = new ECPrivateKeySpec(
            new BigInteger(privKey), // d
            params);
    return kf.generatePrivate(priKey);
}

开发者ID:eBay，项目名称:UAF，代码行数:21，代码来源:KeyCodec.java

示例10: generateNewKey

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
private static KeyPair generateNewKey(String spec) {
	try {
		ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec(spec);
		KeyPairGenerator keyGen = KeyPairGenerator.getInstance("ECDSA", "SC");
		keyGen.initialize(ecSpec, new SecureRandom());
		return keyGen.generateKeyPair();
	} catch (Exception e) {
		Log.e(TAG, "error", e);
		System.exit(0);
		return null;
	}
}

开发者ID:jetonmemeti，项目名称:android-signature-tests，代码行数:13，代码来源:SignatureLengths.java

示例11: createECCKeys

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
private static long createECCKeys(String spec) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
	long start = System.currentTimeMillis();
	
	ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec(spec);
       KeyPairGenerator g = KeyPairGenerator.getInstance("ECDSA");
       g.initialize(ecSpec, new SecureRandom());
       g.generateKeyPair();
	
	return (System.currentTimeMillis() - start);
}

开发者ID:jetonmemeti，项目名称:android-signature-tests，代码行数:11，代码来源:CreateKeysTest.java

示例12: generateKeyPair

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
public static KeyPair generateKeyPair(PKIAlgorithm algorithm) throws UnknownPKIAlgorithmException,
        NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
	if (algorithm.getCode() != PKIAlgorithm.DEFAULT.getCode())
		throw new UnknownPKIAlgorithmException();

	ECParameterSpec ecSpec = ECNamedCurveTable.getParameterSpec(algorithm.getKeyPairSpecification());
	KeyPairGenerator keyGen = KeyPairGenerator.getInstance(algorithm.getKeyPairAlgorithm(), SECURITY_PROVIDER);
	keyGen.initialize(ecSpec, new SecureRandom());
	return keyGen.generateKeyPair();
}

开发者ID:jetonmemeti，项目名称:SamplePaymentProject，代码行数:11，代码来源:KeyHandler.java

示例13: decodeNISTP256PublicKeyFromBytes

import org.spongycastle.jce.ECNamedCurveTable; //导入依赖的package包/类
/**
 * <p>
 * Get an EC public key from a byte array suitable for use with ssh
 * operations</p>
 *
 * <p>
 * Note: This is not a Bitcoin EC public key</p>
 *
 * @param pubKey The ecdsa-sha2-nistp256 EC public key encoded as bytes
 *
 * @return An EC public key
 *
 * @throws NoSuchAlgorithmException If ECDSA is not available
 * @throws InvalidKeySpecException If the key is invalid
 */
public static ECPublicKey decodeNISTP256PublicKeyFromBytes(byte[] pubKey) throws NoSuchAlgorithmException, InvalidKeySpecException {

    ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec("P-256");
    KeyFactory kf = KeyFactory.getInstance("ECDSA", new BouncyCastleProvider());
    ECNamedCurveSpec params = new ECNamedCurveSpec("P-256", spec.getCurve(), spec.getG(), spec.getN());
    ECPoint point = ECPointUtil.decodePoint(params.getCurve(), pubKey);
    ECPublicKeySpec pubKeySpec = new ECPublicKeySpec(point, params);
    ECPublicKey pk = (ECPublicKey) kf.generatePublic(pubKeySpec);

    return pk;
}

开发者ID:martin-lizner，项目名称:trezor-ssh-agent，代码行数:27，代码来源:IdentityUtils.java

注：本文中的org.spongycastle.jce.ECNamedCurveTable类示例整理自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。

鲜花

握手

雷人

路过

鸡蛋

该文章已有0人参与评论

请发表评论

全部评论

专题导读

More+

10-27 六六分期app的软件客服如何联系？(六六分期

11-06 可心卡盟:win10系统火狐flash插件崩溃怎么

11-06 亲亲特价:怎么删除回收站图标

11-06 济南大学虚拟社区:鲁大师节能降温的具体办

11-06 xlueops.exe:无线网络安装向导

11-06 女斗合众国:win7系统cf与主机连接不稳定怎

11-06 0xc000022-[cf烟雾头]cf怎么调烟雾头

11-06 qizideyouhuo:应用程序无法正常启动0xc0000

11-06 ipz-185:win7系统vcf文件怎么打开

11-06 傻哥蹦迪:win10系统s4怎么打开usb调试

11-06 八神浩树gtaste:回收站清空了怎么恢复

11-06 妖尾之黑色守护:win10系统电脑没有1440x900

11-06 校园至尊魔王小说:win7系统浏览网页时字体

11-06 女斗合众国:win10系统访问共享文件夹提示请

11-06 tokyo hot n0654:恢复win7系统默认字体一招

11-06 雨酷仙境:设置win7系统转移临时文件夹腾出

11-06 阿穆纳伊之杖:win7系统开始菜单在右边还原

11-06 tunespotting:win10系统火狐flash插件总是

11-06 甘尔葛分析师：计谋网站seo关键词暴涨有什

11-06 蔡贵霖: 计谋网站seo关键词暴涨有什么秘密

11-06 博益网首页:ao3网页版进入不了解决方法

11-06 漏斗子专栏: 网站数据分析小白易懂精华篇

11-06 见证双虹怎么做:win7系统开启telnet命令的

11-06 颾狐蝶蜋:系统资源不足无法完成请求的服务

11-06 国光中学校歌:提交网站到alexa查询详细步骤

11-06 西安有情天:静态网页和动态网页的区别

11-06 红木雅尚斋:外部链接构造对网站的好处

11-06 前官礼遇：防止域名劫持–增强域安全性的10

11-06 密传二转答案: 中文分词算法有哪些

11-06 金泉家园邮编:百度快照劫持的表现及应对方

Java LogContainerResultCallback类代码示例发布时间：2022-05-22

Java LevenshteinAutomata类代码示例发布时间：2022-05-22

剪的笔顺,诠释剪的笔画,认识剪的部首

1 六六分期app的软件客服如何联系？(六六分期

六六分期app的软件客服如何联系？不知道吗？加qq群【895510560】即可！标题：六六分期

阅读：19234|2023-10-27

2 可心卡盟:win10系统火狐flash插件崩溃怎么

今天小编告诉大家如何处理win10系统火狐flash插件总是崩溃的问题，可能很多用户都不知

阅读：10000|2022-11-06

3 亲亲特价:怎么删除回收站图标

今天小编告诉大家如何对win10系统删除桌面回收站图标进行设置，可能很多用户都不知道

阅读：8331|2022-11-06

4 济南大学虚拟社区:鲁大师节能降温的具体办

今天小编告诉大家如何对win10系统电脑设置节能降温的设置方法，想必大家都遇到过需要

阅读：8701|2022-11-06

5 xlueops.exe:无线网络安装向导

我们在使用xp系统的过程中,经常需要对xp系统无线网络安装向导设置进行设置，可能很多

阅读：8646|2022-11-06

6 女斗合众国:win7系统cf与主机连接不稳定怎

今天小编告诉大家如何处理win7系统玩cf老是与主机连接不稳定的问题，可能很多用户都不

阅读：9668|2022-11-06

7 0xc000022-[cf烟雾头]cf怎么调烟雾头

电脑对日常生活的重要性小编就不多说了，可是一旦碰到win7系统设置cf烟雾头的问题，很

阅读：8632|2022-11-06

8 qizideyouhuo:应用程序无法正常启动0xc0000

我们在日常使用电脑的时候，有的小伙伴们可能在打开应用的时候会遇见提示应用程序无法

阅读：8005|2022-11-06

9 ipz-185:win7系统vcf文件怎么打开

今天小编告诉大家如何对win7系统打开vcf文件进行设置，可能很多用户都不知道怎么对win

阅读：8666|2022-11-06

10 傻哥蹦迪:win10系统s4怎么打开usb调试

今天小编告诉大家如何对win10系统s4开启USB调试模式进行设置，可能很多用户都不知道怎

阅读：7540|2022-11-06

客服电话

电子邮件

Java ECNamedCurveTable类代码示例

示例1: loadEcPublicKey

示例2: getEcPoint

示例3: getParameterSpec

示例4: generate

示例5: getPubKeyFromCurve

示例6: getPrivKeyFromCurve

示例7: generate

示例8: getPubKeyFromCurve

示例9: getPrivKeyFromCurve

示例10: generateNewKey

示例11: createECCKeys

示例12: generateKeyPair

示例13: decodeNISTP256PublicKeyFromBytes

请发表评论

全部评论

上一篇：

下一篇：

[IOSDevice4Delphi]IOS设备连接文件管理库F

librespeed/speedtest: Self-hosted Speedt

avehtari/BDA_m_demos: Bayesian Data Anal

四维彩超怎么看性别？四维看男孩女孩诀窍

medfreeman/markdown-it-toc-and-anchor: m

剪的笔顺,诠释剪的笔画,认识剪的部首

六六分期app的软件客服如何联系？(六六分期

florent37/ViewAnimator: A fluent Android

florent37/Shrine-MaterialDesign2: implem

CVE-2020-36276

SimpleSoftwareIO/simple-sms: Send and re

关于我们

产品与服务

解决方案

139-2527-9053