Java KeyGenerator.generateKey的19个方法分别是怎样的

Java KeyGenerator.generateKey的19个方法分别是怎样的，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

小编整理汇总了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。

下面一共展示了KeyGenerator.generateKey方法的19个代码示例。

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();}

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