Java?KeyGenerator.generateKey的19個方法代碼示例
更新時間：2021年12月25日 18:06:38 投稿：mdxy-dxy
在下文中一共展示了KeyGenerator.generateKey方法的19個代碼示例，這些例子默認根據受歡迎程度排序
本文整理匯總了Java中javax.crypto.KeyGenerator.generateKey方法的典型用法代碼示例。如果您正苦于以下問題：Java KeyGenerator.generateKey方法的具體用法？Java KeyGenerator.generateKey怎么用？Java KeyGenerator.generateKey使用的例子？那么恭喜您, 這里精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.crypto.KeyGenerator的用法示例。
在下文中一共展示了KeyGenerator.generateKey方法的19個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點贊，您的評價將有助于我們的系統(tǒng)推薦出更棒的Java代碼示例。
示例1: EncryptByAes
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
public EncryptByAes() {
try {
//生成key
KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
keyGenerator.init(256);
//產生秘鑰
SecretKey secretKey = keyGenerator.generateKey();
//獲取秘鑰
byte[] keyBytes = secretKey.getEncoded();
// Logger.e("AES Key=" + Base64.encodeToString(keyBytes, Base64.URL_SAFE));
//還原秘鑰
key = new SecretKeySpec(keyBytes, "AES");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
}
開發(fā)者ID:zhonglikui，項目名稱:cardinalsSample，代碼行數(shù):20，代碼來源:EncryptByAes.java
示例2: main
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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.");
}
開發(fā)者ID:lambdalab-mirror，項目名稱:jdk8u-jdk，代碼行數(shù):27，代碼來源:TestPremaster.java
示例3: wrapperPublicPriviteKeyTest
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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);
}
}
開發(fā)者ID:lambdalab-mirror，項目名稱:jdk8u-jdk，代碼行數(shù):22，代碼來源:TestCipherKeyWrapperTest.java
示例4: initHmacSHA224Key
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 初始化HmacSHA224密鑰
*
* @return byte[] 密鑰
* @throws Exception
*/
public static byte[] initHmacSHA224Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacSHA224");
// 產生秘密密鑰
SecretKey secretKey = keyGenerator.generateKey();
// 獲得密鑰
return secretKey.getEncoded();
}
開發(fā)者ID:guokezheng，項目名稱:automat，代碼行數(shù):15，代碼來源:HmacCoder.java
示例5: run
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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");
}
}
}
開發(fā)者ID:lambdalab-mirror，項目名稱:jdk8u-jdk，代碼行數(shù):35，代碼來源:P12SecretKey.java
示例6: initHmacSHA384Key
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 初始化HmacSHA384密鑰
*
* @return
* @throws Exception
*/
public static byte[] initHmacSHA384Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacSHA384");
// 產生秘密密鑰
SecretKey secretKey = keyGenerator.generateKey();
// 獲得密鑰
return secretKey.getEncoded();
}
開發(fā)者ID:babymm，項目名稱:mumu，代碼行數(shù):15，代碼來源:HmacCoder.java
示例7: wrapperBlowfishKeyTest
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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;
}
}
開發(fā)者ID:lambdalab-mirror，項目名稱:jdk8u-jdk，代碼行數(shù):55，代碼來源:TestCipherKeyWrapperTest.java
示例8: generateMacSha1Key
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 生成HMAC-SHA1密鑰,返回字節(jié)數(shù)組,長度為160位(20字節(jié)).
* HMAC-SHA1算法對密鑰無特殊要求, RFC2401建議最少長度為160位(20字節(jié)).
*/
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);
}
}
開發(fā)者ID:wkeyuan，項目名稱:DWSurvey，代碼行數(shù):15，代碼來源:CryptoUtils.java
示例9: ReadWriteSkip
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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);
}
開發(fā)者ID:lambdalab-mirror，項目名稱:jdk8u-jdk，代碼行數(shù):16，代碼來源:ReadWriteSkip.java
示例10: generateKey
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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();
}
開發(fā)者ID:sdrausty，項目名稱:buildAPKsSamples，代碼行數(shù):10，代碼來源:StringCryptor.java
示例11: generateEncryptionSecret?
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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;
}
}
開發(fā)者ID:CableIM，項目名稱:Cable-Android，代碼行數(shù):13，代碼來源:MasterSecretUtil.java
示例12: initHmacSHA512Key
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 初始化HmacSHA512密鑰
*
* @return
* @throws Exception
*/
public static byte[] initHmacSHA512Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacSHA512");
// 產生秘密密鑰
SecretKey secretKey = keyGenerator.generateKey();
// 獲得密鑰
return secretKey.getEncoded();
}
開發(fā)者ID:mumucommon，項目名稱:mumu-core，代碼行數(shù):15，代碼來源:HmacCoder.java
示例13: initKey
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 生成密鑰
*
* @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();
}
開發(fā)者ID:jopenbox，項目名稱:android-lite-utils，代碼行數(shù):18，代碼來源:AESUtils.java
示例14: initHmacSHAKey
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 初始化HmacSHA1密鑰
*
* @return
* @throws Exception
*/
public static byte[] initHmacSHAKey() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HMacTiger");
// 產生秘密密鑰
SecretKey secretKey = keyGenerator.generateKey();
// 獲得密鑰
return secretKey.getEncoded();
}
開發(fā)者ID:guokezheng，項目名稱:automat，代碼行數(shù):15，代碼來源:HmacCoder.java
示例15: initHmacMD4Key
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 初始化HmacMD4密鑰
*
* @return byte[] 密鑰
* @throws Exception
*/
public static byte[] initHmacMD4Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacMD4");
// 產生秘密密鑰
SecretKey secretKey = keyGenerator.generateKey();
// 獲得密鑰
return secretKey.getEncoded();
}
開發(fā)者ID:iBase4J，項目名稱:iBase4J-Common，代碼行數(shù):15，代碼來源:HmacCoder.java
示例16: initHmacMD5Key
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 初始化HmacMD5密鑰
*
* @return
* @throws Exception
*/
public static byte[] initHmacMD5Key() throws Exception {
// 初始化KeyGenerator
KeyGenerator keyGenerator = KeyGenerator.getInstance("HmacMD5");
// 產生秘密密鑰
SecretKey secretKey = keyGenerator.generateKey();
// 獲得密鑰
return secretKey.getEncoded();
}
開發(fā)者ID:iBase4J，項目名稱:iBase4J-Common，代碼行數(shù):15，代碼來源:HmacCoder.java
示例17: runTest
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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);
}
}
}
開發(fā)者ID:lambdalab-mirror，項目名稱:jdk8u-jdk，代碼行數(shù):48，代碼來源:CICODESFuncTest.java
示例18: runTest
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
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");
}
}
開發(fā)者ID:lambdalab-mirror，項目名稱:jdk8u-jdk，代碼行數(shù):44，代碼來源:TestHmacSHAOids.java
示例19: s_genkeys
import javax.crypto.KeyGenerator; //導入方法依賴的package包/類
/**
* 通過種子生成二進制密鑰
*
* @param _arg
* 生成私鑰的種子
* @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();
}
開發(fā)者ID:aiyoyoyo，項目名稱:jeesupport，代碼行數(shù):16，代碼來源:DESUtils.java
注：本文中的javax.crypto.KeyGenerator.generateKey方法示例整理自Github/MSDocs等源碼及文檔管理平臺，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。
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