Java KeyGenerator.generateKey的19个方法代码示例

网友投稿 548 2022-09-06


Java KeyGenerator.generateKey的19个方法代码示例

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);

http:// //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".equalsIbEJcTagnoreCase(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


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