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

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。