javax.crypto.spec.PBEKeySpec#getSalt()源码实例Demo

下面列出了javax.crypto.spec.PBEKeySpec#getSalt() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： jdk8u60 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    }
    this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}

源代码2 项目： openjdk-jdk8u-backup 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    }
    this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}

源代码3 项目： ripple-lib-java 文件： PBESecretKeyFactory.java

protected SecretKey engineGenerateSecret(
    KeySpec keySpec)
    throws InvalidKeySpecException
{
    if (keySpec instanceof PBEKeySpec)
    {
        PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;
        CipherParameters param;

        if (pbeSpec.getSalt() == null)
        {
            return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, null);
        }

        if (forCipher)
        {
            param = PBE.Util.makePBEParameters(pbeSpec, scheme, digest, keySize, ivSize);
        }
        else
        {
            param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);
        }

        return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
    }

    throw new InvalidKeySpecException("Invalid KeySpec");
}

源代码4 项目： jdk8u-jdk 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    }
    this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}

源代码5 项目： hottub 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    }
    this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}

源代码6 项目： openjdk-8-source 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    }
    this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}

源代码7 项目： openjdk-8 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    }
    this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}

源代码8 项目： ripple-lib-java 文件： SHA1.java

protected SecretKey engineGenerateSecret(
    KeySpec keySpec)
    throws InvalidKeySpecException
{
    if (keySpec instanceof PBEKeySpec)
    {
        PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;

        if (pbeSpec.getSalt() == null)
        {
            throw new InvalidKeySpecException("missing required salt");
        }

        if (pbeSpec.getIterationCount() <= 0)
        {
            throw new InvalidKeySpecException("positive iteration count required: "
                + pbeSpec.getIterationCount());
        }

        if (pbeSpec.getKeyLength() <= 0)
        {
            throw new InvalidKeySpecException("positive key length required: "
                + pbeSpec.getKeyLength());
        }

        if (pbeSpec.getPassword().length == 0)
        {
            throw new IllegalArgumentException("password empty");
        }

        int digest = SHA1;
        int keySize = pbeSpec.getKeyLength();
        int ivSize = -1;    // JDK 1,2 and earlier does not understand simplified version.
        CipherParameters param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);

        return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
    }

    throw new InvalidKeySpecException("Invalid KeySpec");
}

源代码9 项目： jdk8u-dev-jdk 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    }
    this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}

源代码10 项目： ranger 文件： RangerMasterKey.java

private byte[] encryptKey(byte[] data, PBEKeySpec keyspec) throws Throwable {
    if (logger.isDebugEnabled()) {
        logger.debug("==> RangerMasterKey.encryptKey()");
    }
    SecretKey key = getPasswordKey(keyspec);
    if (keyspec.getSalt() != null) {
        PBEParameterSpec paramSpec = new PBEParameterSpec(keyspec.getSalt(), keyspec.getIterationCount());
        Cipher c = Cipher.getInstance(key.getAlgorithm());
        c.init(Cipher.ENCRYPT_MODE, key, paramSpec);
        return c.doFinal(data);
    }
    return null;
}

源代码11 项目： ranger 文件： RangerMasterKey.java

private byte[] decryptKey(byte[] encrypted, PBEKeySpec keyspec) throws Throwable {
    SecretKey key = getPasswordKey(keyspec);
    if (keyspec.getSalt() != null) {
        PBEParameterSpec paramSpec = new PBEParameterSpec(keyspec.getSalt(), keyspec.getIterationCount());
        Cipher c = Cipher.getInstance(key.getAlgorithm());
        c.init(Cipher.DECRYPT_MODE, key, paramSpec);
        return c.doFinal(encrypted);
    }
    return null;
}

源代码12 项目： RipplePower 文件： DES.java

protected SecretKey engineGenerateSecret(
    KeySpec keySpec)
throws InvalidKeySpecException
{
    if (keySpec instanceof PBEKeySpec)
    {
        PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;
        CipherParameters param;

        if (pbeSpec.getSalt() == null)
        {
            return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, null);
        }

        if (forCipher)
        {
            param = PBE.Util.makePBEParameters(pbeSpec, scheme, digest, keySize, ivSize);
        }
        else
        {
            param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);
        }

        KeyParameter kParam;
        if (param instanceof ParametersWithIV)
        {
            kParam = (KeyParameter)((ParametersWithIV)param).getParameters();
        }
        else
        {
            kParam = (KeyParameter)param;
        }

        DESParameters.setOddParity(kParam.getKey());

        return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
    }

    throw new InvalidKeySpecException("Invalid KeySpec");
}

源代码13 项目： RipplePower 文件： PBESecretKeyFactory.java

protected SecretKey engineGenerateSecret(
    KeySpec keySpec)
    throws InvalidKeySpecException
{
    if (keySpec instanceof PBEKeySpec)
    {
        PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;
        CipherParameters param;

        if (pbeSpec.getSalt() == null)
        {
            return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, null);
        }

        if (forCipher)
        {
            param = PBE.Util.makePBEParameters(pbeSpec, scheme, digest, keySize, ivSize);
        }
        else
        {
            param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);
        }

        return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
    }

    throw new InvalidKeySpecException("Invalid KeySpec");
}

源代码14 项目： RipplePower 文件： SHA1.java

protected SecretKey engineGenerateSecret(
    KeySpec keySpec)
    throws InvalidKeySpecException
{
    if (keySpec instanceof PBEKeySpec)
    {
        PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;

        if (pbeSpec.getSalt() == null)
        {
            throw new InvalidKeySpecException("missing required salt");
        }

        if (pbeSpec.getIterationCount() <= 0)
        {
            throw new InvalidKeySpecException("positive iteration count required: "
                + pbeSpec.getIterationCount());
        }

        if (pbeSpec.getKeyLength() <= 0)
        {
            throw new InvalidKeySpecException("positive key length required: "
                + pbeSpec.getKeyLength());
        }

        if (pbeSpec.getPassword().length == 0)
        {
            throw new IllegalArgumentException("password empty");
        }

        int digest = SHA1;
        int keySize = pbeSpec.getKeyLength();
        int ivSize = -1;    // JDK 1,2 and earlier does not understand simplified version.
        CipherParameters param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);

        return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
    }

    throw new InvalidKeySpecException("Invalid KeySpec");
}

源代码15 项目： ripple-lib-java 文件： DES.java

protected SecretKey engineGenerateSecret(
    KeySpec keySpec)
throws InvalidKeySpecException
{
    if (keySpec instanceof PBEKeySpec)
    {
        PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;
        CipherParameters param;

        if (pbeSpec.getSalt() == null)
        {
            return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, null);
        }

        if (forCipher)
        {
            param = PBE.Util.makePBEParameters(pbeSpec, scheme, digest, keySize, ivSize);
        }
        else
        {
            param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);
        }

        KeyParameter kParam;
        if (param instanceof ParametersWithIV)
        {
            kParam = (KeyParameter)((ParametersWithIV)param).getParameters();
        }
        else
        {
            kParam = (KeyParameter)param;
        }

        DESParameters.setOddParity(kParam.getKey());

        return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
    }

    throw new InvalidKeySpecException("Invalid KeySpec");
}

源代码16 项目： dragonwell8_jdk 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);
    // remove local copy
    if (passwd != null) Arrays.fill(passwd, '\0');

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
        this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    } finally {
        Arrays.fill(passwdBytes, (byte)0x00);
    }
}

源代码17 项目： TencentKona-8 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);
    // remove local copy
    if (passwd != null) Arrays.fill(passwd, '\0');

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
        this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    } finally {
        Arrays.fill(passwdBytes, (byte)0x00);
    }
}

源代码18 项目： openjdk-jdk8u 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);
    // remove local copy
    if (passwd != null) Arrays.fill(passwd, '\0');

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
        this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    } finally {
        Arrays.fill(passwdBytes, (byte)0x00);
    }
}

源代码19 项目： openjdk-jdk9 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo);
        // SunPKCS11 requires a non-empty PBE password
        if (passwdBytes.length == 0 &&
            this.prf.getProvider().getName().startsWith("SunPKCS11")) {
            this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
        }
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    }
    this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}

源代码20 项目： jdk8u_jdk 文件： PBKDF2KeyImpl.java

/**
 * Creates a PBE key from a given PBE key specification.
 *
 * @param key the given PBE key specification
 */
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
    throws InvalidKeySpecException {
    char[] passwd = keySpec.getPassword();
    if (passwd == null) {
        // Should allow an empty password.
        this.passwd = new char[0];
    } else {
        this.passwd = passwd.clone();
    }
    // Convert the password from char[] to byte[]
    byte[] passwdBytes = getPasswordBytes(this.passwd);
    // remove local copy
    if (passwd != null) Arrays.fill(passwd, '\0');

    this.salt = keySpec.getSalt();
    if (salt == null) {
        throw new InvalidKeySpecException("Salt not found");
    }
    this.iterCount = keySpec.getIterationCount();
    if (iterCount == 0) {
        throw new InvalidKeySpecException("Iteration count not found");
    } else if (iterCount < 0) {
        throw new InvalidKeySpecException("Iteration count is negative");
    }
    int keyLength = keySpec.getKeyLength();
    if (keyLength == 0) {
        throw new InvalidKeySpecException("Key length not found");
    } else if (keyLength < 0) {
        throw new InvalidKeySpecException("Key length is negative");
    }
    try {
        this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
        this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
    } catch (NoSuchAlgorithmException nsae) {
        // not gonna happen; re-throw just in case
        InvalidKeySpecException ike = new InvalidKeySpecException();
        ike.initCause(nsae);
        throw ike;
    } finally {
        Arrays.fill(passwdBytes, (byte)0x00);
    }
}

方法所在类

javax.crypto.spec.PBEKeySpec