Java KeyGenerator.generateKey的19个方法代码示例
作者：mdxy-dxy 发布时间：2022-08-08 14:26:40
标签：Java,KeyGenerator
目录
示例1: EncryptByAes
示例2: main
示例3: wrapperPublicPriviteKeyTest
示例4: initHmacSHA224Key
示例5: run
示例6: initHmacSHA384Key
示例7: wrapperBlowfishKeyTest
示例8: generateMacSha1Key
示例9: ReadWriteSkip
示例10: generateKey
示例11: generateEncryptionSecret
示例12: initHmacSHA512Key
示例13: initKey
示例14: initHmacSHAKey
示例15: initHmacMD4Key
示例16: initHmacMD5Key
示例17: runTest
示例18: runTest
示例19: s_genkeys
本文整理汇总了Java中javax.crypto.KeyGenerator.generateKey方法的典型用法代码示例。如果您正苦于以下问题：Java KeyGenerator.generateKey方法的具体用法？Java KeyGenerator.generateKey怎么用？Java KeyGenerator.generateKey使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.crypto.KeyGenerator的用法示例。
在下文中一共展示了KeyGenerator.generateKey方法的19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: EncryptByAes
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
public EncryptByAes() {
try {
//生成key
KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
keyGenerator.init(256);
//产生秘钥
SecretKey secretKey = keyGenerator.generateKey();
//获取秘钥
byte[] keyBytes = secretKey.getEncoded();
// Logger.e("AES Key=" + Base64.encodeToString(keyBytes, Base64.URL_SAFE));
//还原秘钥
key = new SecretKeySpec(keyBytes, "AES");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
}
开发者ID:zhonglikui，项目名称:cardinalsSample，代码行数:20，代码来源:EncryptByAes.java
示例2: main
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
Provider provider = Security.getProvider("SunJCE");
KeyGenerator kg;
kg = KeyGenerator.getInstance("SunTlsRsaPremasterSecret", provider);
try {
kg.generateKey();
throw new Exception("no exception");
} catch (IllegalStateException e) {
System.out.println("OK: " + e);
}
int[] protocolVersions = {0x0300, 0x0301, 0x0302, 0x0400};
for (int clientVersion : protocolVersions) {
for (int serverVersion : protocolVersions) {
test(kg, clientVersion, serverVersion);
if (serverVersion >= clientVersion) {
break;
}
}
}
System.out.println("Done.");
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:27，代码来源:TestPremaster.java
示例3: wrapperPublicPriviteKeyTest
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
private void wrapperPublicPriviteKeyTest(Provider p, String[] algorithms)
throws NoSuchAlgorithmException, InvalidKeyException,
NoSuchPaddingException, IllegalBlockSizeException,
InvalidAlgorithmParameterException {
for (String algo : algorithms) {
// Key pair generated
System.out.println("Generate key pair (algorithm: " + algo
+ ", provider: " + p.getName() + ")");
KeyPairGenerator kpg = KeyPairGenerator.getInstance(algo);
kpg.initialize(512);
KeyPair kp = kpg.genKeyPair();
// key generated
String algoWrap = "DES";
KeyGenerator kg = KeyGenerator.getInstance(algoWrap, p);
Key key = kg.generateKey();
wrapTest(algo, algoWrap, key, kp.getPrivate(), Cipher.PRIVATE_KEY,
false);
wrapTest(algo, algoWrap, key, kp.getPublic(), Cipher.PUBLIC_KEY,
false);
}
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:22，代码来源:TestCipherKeyWrapperTest.java
示例4: initHmacSHA224Key
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 初始化HmacSHA224密钥
*
* @return byte[] 密钥
* @throws Exception
*/
public static byte[] initHmacSHA224Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacSHA224");
// 产生秘密密钥
SecretKey secretKey = keyGenerator.generateKey();
// 获得密钥
return secretKey.getEncoded();
}
开发者ID:guokezheng，项目名称:automat，代码行数:15，代码来源:HmacCoder.java
示例5: run
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
private void run(String keystoreType) throws Exception {
char[] pw = "password".toCharArray();
KeyStore ks = KeyStore.getInstance(keystoreType);
ks.load(null, pw);
KeyGenerator kg = KeyGenerator.getInstance("AES");
kg.init(128);
SecretKey key = kg.generateKey();
KeyStore.SecretKeyEntry ske = new KeyStore.SecretKeyEntry(key);
KeyStore.ProtectionParameter kspp = new KeyStore.PasswordProtection(pw);
ks.setEntry(ALIAS, ske, kspp);
File ksFile = File.createTempFile("test", ".test");
try (FileOutputStream fos = new FileOutputStream(ksFile)) {
ks.store(fos, pw);
fos.flush();
}
// now see if we can get it back
try (FileInputStream fis = new FileInputStream(ksFile)) {
KeyStore ks2 = KeyStore.getInstance(keystoreType);
ks2.load(fis, pw);
KeyStore.Entry entry = ks2.getEntry(ALIAS, kspp);
SecretKey keyIn = ((KeyStore.SecretKeyEntry)entry).getSecretKey();
if (Arrays.equals(key.getEncoded(), keyIn.getEncoded())) {
System.err.println("OK: worked just fine with " + keystoreType +
" keystore");
} else {
System.err.println("ERROR: keys are NOT equal after storing in "
+ keystoreType + " keystore");
}
}
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:35，代码来源:P12SecretKey.java
示例6: initHmacSHA384Key
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 初始化HmacSHA384密钥
*
* @return
* @throws Exception
*/
public static byte[] initHmacSHA384Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacSHA384");
// 产生秘密密钥
SecretKey secretKey = keyGenerator.generateKey();
// 获得密钥
return secretKey.getEncoded();
}
开发者ID:babymm，项目名称:mumu，代码行数:15，代码来源:HmacCoder.java
示例7: wrapperBlowfishKeyTest
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
private void wrapperBlowfishKeyTest() throws InvalidKeyException,
NoSuchAlgorithmException, NoSuchPaddingException,
IllegalBlockSizeException, InvalidAlgorithmParameterException {
// how many kinds of padding mode
int padKinds;
// Keysize should be multiple of 8 bytes.
int KeyCutter = 8;
int kSize = BLOWFISH_MIN_KEYSIZE;
String algorithm = "Blowfish";
int maxAllowKeyLength = Cipher.getMaxAllowedKeyLength(algorithm);
boolean unLimitPolicy = maxAllowKeyLength == Integer.MAX_VALUE;
SecretKey key = null;
while (kSize <= BLOWFISH_MAX_KEYSIZE) {
for (String mode : MODEL_AR) {
// PKCS5padding is meaningful only for ECB, CBC, PCBC
if (mode.equalsIgnoreCase(MODEL_AR[0])
|| mode.equalsIgnoreCase(MODEL_AR[1])
|| mode.equalsIgnoreCase(MODEL_AR[2])) {
padKinds = PADDING_AR.length;
} else {
padKinds = 1;
}
// Initialization
KeyGenerator kg = KeyGenerator.getInstance(algorithm);
for (int k = 0; k < padKinds; k++) {
String transformation = algorithm + "/" + mode + "/"
+ PADDING_AR[k];
if (NOPADDING.equals(PADDING_AR[k]) && kSize ％ 64 != 0) {
out.println(transformation
+ " will not run if input length not multiple"
+ " of 8 bytes when padding is " + NOPADDING);
continue;
}
kg.init(kSize);
key = kg.generateKey();
// only run the tests on longer key lengths if unlimited
// version of JCE jurisdiction policy files are installed
if (!unLimitPolicy && kSize > LINIMITED_KEYSIZE) {
out.println("keyStrength > 128 within " + algorithm
+ " will not run under global policy");
} else {
wrapTest(transformation, transformation, key, key,
Cipher.SECRET_KEY, false);
}
}
}
if (kSize <= LINIMITED_KEYSIZE) {
KeyCutter = 8;
} else {
KeyCutter = 48;
}
kSize += KeyCutter;
}
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:55，代码来源:TestCipherKeyWrapperTest.java
示例8: generateMacSha1Key
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 生成HMAC-SHA1密钥,返回字节数组,长度为160位(20字节).
* HMAC-SHA1算法对密钥无特殊要求, RFC2401建议最少长度为160位(20字节).
*/
public static byte[] generateMacSha1Key() {
try {
KeyGenerator keyGenerator = KeyGenerator.getInstance(HMACSHA1);
keyGenerator.init(DEFAULT_HMACSHA1_KEYSIZE);
SecretKey secretKey = keyGenerator.generateKey();
return secretKey.getEncoded();
} catch (GeneralSecurityException e) {
throw ExceptionUtils.unchecked(e);
}
}
开发者ID:wkeyuan，项目名称:DWSurvey，代码行数:15，代码来源:CryptoUtils.java
示例9: ReadWriteSkip
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
ReadWriteSkip(int keyLength, int textLength, int AADLength)
throws Exception {
this.keyLength = keyLength;
this.textLength = textLength;
// init AAD
this.AAD = Helper.generateBytes(AADLength);
// init a secret Key
KeyGenerator kg = KeyGenerator.getInstance(AES, PROVIDER);
kg.init(this.keyLength);
this.key = kg.generateKey();
this.plaintext = Helper.generateBytes(textLength);
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:16，代码来源:ReadWriteSkip.java
示例10: generateKey
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
public static byte[] generateKey( byte[] seed ) throws Exception
{
KeyGenerator keyGenerator = KeyGenerator.getInstance( CIPHER_ALGORITHM );
SecureRandom secureRandom = SecureRandom.getInstance( RANDOM_GENERATOR_ALGORITHM );
secureRandom.setSeed( seed );
keyGenerator.init( RANDOM_KEY_SIZE, secureRandom );
SecretKey secretKey = keyGenerator.generateKey();
return secretKey.getEncoded();
}
开发者ID:sdrausty，项目名称:buildAPKsSamples，代码行数:10，代码来源:StringCryptor.java
示例11: generateEncryptionSecret
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
private static byte[] generateEncryptionSecret() {
try {
KeyGenerator generator = KeyGenerator.getInstance("AES");
generator.init(128);
SecretKey key = generator.generateKey();
return key.getEncoded();
} catch (NoSuchAlgorithmException ex) {
Log.w("keyutil", ex);
return null;
}
}
开发者ID:CableIM，项目名称:Cable-Android，代码行数:13，代码来源:MasterSecretUtil.java
示例12: initHmacSHA512Key
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 初始化HmacSHA512密钥
*
* @return
* @throws Exception
*/
public static byte[] initHmacSHA512Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacSHA512");
// 产生秘密密钥
SecretKey secretKey = keyGenerator.generateKey();
// 获得密钥
return secretKey.getEncoded();
}
开发者ID:mumucommon，项目名称:mumu-core，代码行数:15，代码来源:HmacCoder.java
示例13: initKey
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 生成密钥
*
* @param keysize
* @return
*/
public byte[] initKey(int keysize) {
KeyGenerator keyGen = null;
try {
keyGen = KeyGenerator.getInstance("AES");
keyGen.init(keysize); //192 256
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
SecretKey secretKey = keyGen.generateKey();
return secretKey.getEncoded();
}
开发者ID:jopenbox，项目名称:android-lite-utils，代码行数:18，代码来源:AESUtils.java
示例14: initHmacSHAKey
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 初始化HmacSHA1密钥
*
* @return
* @throws Exception
*/
public static byte[] initHmacSHAKey() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HMacTiger");
// 产生秘密密钥
SecretKey secretKey = keyGenerator.generateKey();
// 获得密钥
return secretKey.getEncoded();
}
开发者ID:guokezheng，项目名称:automat，代码行数:15，代码来源:HmacCoder.java
示例15: initHmacMD4Key
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 初始化HmacMD4密钥
*
* @return byte[] 密钥
* @throws Exception
*/
public static byte[] initHmacMD4Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacMD4");
// 产生秘密密钥
SecretKey secretKey = keyGenerator.generateKey();
// 获得密钥
return secretKey.getEncoded();
}
开发者ID:iBase4J，项目名称:iBase4J-Common，代码行数:15，代码来源:HmacCoder.java
示例16: initHmacMD5Key
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 初始化HmacMD5密钥
*
* @return
* @throws Exception
*/
public static byte[] initHmacMD5Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacMD5");
// 产生秘密密钥
SecretKey secretKey = keyGenerator.generateKey();
// 获得密钥
return secretKey.getEncoded();
}
开发者ID:iBase4J，项目名称:iBase4J-Common，代码行数:15，代码来源:HmacCoder.java
示例17: runTest
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
private static void runTest(Provider p, String algo, String mo, String pad,
ReadModel whichRead) throws GeneralSecurityException, IOException {
// Do initialization
byte[] plainText = TestUtilities.generateBytes(TEXT_LENGTH);
byte[] iv = TestUtilities.generateBytes(IV_LENGTH);
AlgorithmParameterSpec aps = new IvParameterSpec(iv);
try {
KeyGenerator kg = KeyGenerator.getInstance(algo, p);
out.println(algo + "/" + mo + "/" + pad + "/" + whichRead);
SecretKey key = kg.generateKey();
Cipher ci1 = Cipher.getInstance(algo + "/" + mo + "/" + pad, p);
if ("CFB72".equalsIgnoreCase(mo) || "OFB20".equalsIgnoreCase(mo)) {
throw new RuntimeException(
"NoSuchAlgorithmException not throw when mode"
+ " is CFB72 or OFB20");
}
Cipher ci2 = Cipher.getInstance(algo + "/" + mo + "/" + pad, p);
if ("ECB".equalsIgnoreCase(mo)) {
ci1.init(Cipher.ENCRYPT_MODE, key);
ci2.init(Cipher.DECRYPT_MODE, key);
} else {
ci1.init(Cipher.ENCRYPT_MODE, key, aps);
ci2.init(Cipher.DECRYPT_MODE, key, aps);
}
ByteArrayOutputStream baOutput = new ByteArrayOutputStream();
try (CipherInputStream cInput
= new CipherInputStream(
new ByteArrayInputStream(plainText), ci1);
CipherOutputStream ciOutput
= new CipherOutputStream(baOutput, ci2);) {
// Read from the input and write to the output using 2 types
// of buffering : byte[] and int
whichRead.read(cInput, ciOutput, ci1, plainText.length);
}
// Verify input and output are same.
if (!Arrays.equals(plainText, baOutput.toByteArray())) {
throw new RuntimeException("Test failed due to compare fail ");
}
} catch (NoSuchAlgorithmException nsaEx) {
if ("CFB72".equalsIgnoreCase(mo) || "OFB20".equalsIgnoreCase(mo)) {
out.println("NoSuchAlgorithmException is expected for CFB72 and OFB20");
} else {
throw new RuntimeException("Unexpected exception testing: "
+ algo + "/" + mo + "/" + pad + "/" + whichRead, nsaEx);
}
}
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:48，代码来源:CICODESFuncTest.java
示例18: runTest
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
private static void runTest(DataTuple dataTuple)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException {
Mac mcAlgorithm = Mac.getInstance(dataTuple.algorithm,
PROVIDER_NAME);
Mac mcOid = Mac.getInstance(dataTuple.oid, PROVIDER_NAME);
if (mcAlgorithm == null) {
throw new RuntimeException(String.format(
"Test failed: Mac using algorithm "
+ "string ％s getInstance failed.％n",
dataTuple.algorithm));
}
if (mcOid == null) {
throw new RuntimeException(String.format(
"Test failed: Mac using OID ％s getInstance failed.％n",
dataTuple.oid));
}
if (!mcAlgorithm.getAlgorithm().equals(dataTuple.algorithm)) {
throw new RuntimeException(String.format(
"Test failed: Mac using algorithm string ％s getInstance "
+ "doesn't generate expected algorithm.％n",
dataTuple.algorithm));
}
KeyGenerator kg = KeyGenerator.getInstance(dataTuple.algorithm,
PROVIDER_NAME);
SecretKey key = kg.generateKey();
mcAlgorithm.init(key);
mcAlgorithm.update(INPUT);
mcOid.init(key);
mcOid.update(INPUT);
// Comparison
if (!Arrays.equals(mcAlgorithm.doFinal(), mcOid.doFinal())) {
throw new RuntimeException("Digest comparison failed: "
+ "the two MACs are not the same");
}
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:44，代码来源:TestHmacSHAOids.java
示例19: s_genkeys
import javax.crypto.KeyGenerator; //导入方法依赖的package包/类
/**
* 通过种子生成二进制密钥
*
* @param _arg
* 生成私钥的种子
* @return
* @throws Exception
*/
public static byte[] s_genkeys( String _arg ) throws Exception {
KeyGenerator key_generator = KeyGenerator.getInstance( ALGORITHM );
SecureRandom secure_random = new SecureRandom( Base64.decode( _arg.getBytes() ) );
key_generator.init( secure_random );
SecretKey secret_key = key_generator.generateKey();
return secret_key.getEncoded();
}
开发者ID:aiyoyoyo，项目名称:jeesupport，代码行数:16，代码来源:DESUtils.java
注：本文中的javax.crypto.KeyGenerator.generateKey方法示例整理自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。
0
投稿猜你喜欢
- 本文实例分享了Android获取手机系统版本等信息的方法，供大家参考，具体内容如下：第一种代码：String phoneInfo = &qu
一：背景1. 讲故事在前一篇大内存排查中，我们看到了Dictionary正在做扩容操作，当时这个字典的count=251w，你把字典玩的66- 最可怕的不是犯错而是一直都没发现错误，直到现在我才知道自己对类变量的理解有问题。大概可能也许是因为不常用类变量的原因吧，一直没有发现这个问题
- 通过拍照或相册中获取图片，并进行裁剪操作，然后把图片显示到ImageView上。 当然也可以上传到服务器（项目中绝大部分情况是上传
- 自动装配的含义在SpringBoot程序main方法中，添加@SpringBootApplication或者@EnableAutoConfi
- 1. 测试文档、期望达到的目标文档效果用于测试的Word文档如下所示，包含的空白段落影响文章整体布局及美观性：目标文档效果：2. 辅助工具2
- 本文实例讲述了C#使用foreach循环遍历数组的方法。分享给大家供大家参考，具体如下：using System;using System.
- 多级缓存在实际开发项目，为了减少数据库的访问压力，都会将数据缓存到内存中比如：Redis(分布式缓存)、EHCHE（JVM内置缓存）.例如在
- 前言前一篇文章讲了View的触发反馈机制的原理，对于一个自定义View而言，手势的处理都是重写onTouchEvent函数，或者通过setO
- 导言代码是写给人看的，不是写给机器看的，只是顺便计算机可以执行而已 ——《计算机程序的构造和解释（SICP）》 导言在我们的项目里经常会出现
- 很多APP都有侧滑菜单的功能，部分APP左右都是侧滑菜单~SlidingMenu 这个开源项目可以很好帮助我们实现侧滑功能，如果对Slidi
- 加密解密exe算法可能AES加密解密算法别人已经实现过，也有一些关于如何操纵自定义资源的VC代码，我只是将它们进行了组合，运用到了一起，并运
- 序列化是将对象转换成字节流的过程，反序列化是把字节流转换成对象的过程。对象一旦被序列化，就可以把对象状态保存到硬盘的某个位置，甚至还可以通过
- 本文实例讲述了Java数组队列概念与用法。分享给大家供大家参考，具体如下：一.队列的概念 （1）队列也是一种线性结构（2）相比数组
- 前言在项目中为了灵活配置，我们常采用配置文件，常见的配置文件就比如xml和properties，springboot允许使用properti
- 前言随着敏捷开发的流行，编写单元测试已经成为业界共识。但如何来衡量单元测试的质量呢？有些管理者片面追求单元测试的数量，导致底下的开发人员投机
- 我这里主要是对串口类的简单使用，实现的功能是以读写方式打开串口，点击发送数据按钮将发送区的数据发送到缓冲区，然后在接收区显示出来，界面如下：
- webflux介绍Spring Boot 2.0spring.io 官网有句醒目的话是：BUILD ANYTHING WITH SPRING
- JDK8中有双冒号的用法，就是把方法当做参数传到stream内部，使stream的每个元素都传入到该方法里面执行一下。代码其实很简单：以前的
- 在使用他人代码时，为不保留文件头部版权信息，需要一个个删掉，费时费力，写了个脚本，简单清除掉目录下所有的文件的头部版权信息。# -*- co
