Example usage for javax.security.sasl SaslException SaslException

Introduction

In this page you can find the example usage for javax.security.sasl SaslException SaslException.

Prototype

public SaslException(String detail, Throwable ex) 

Source Link

Document

Constructs a new instance of SaslException with a detailed message and a root exception.

Usage

From source file:org.apache.hadoop.hbase.io.crypto.aes.CryptoAES.java

/**
 * Encrypts input data. The result composes of (msg, padding if needed, mac) and sequence num.
 * @param data the input byte array//from   w w  w  . jav  a  2s.co m
 * @param offset the offset in input where the input starts
 * @param len the input length
 * @return the new encrypted byte array.
 * @throws SaslException if error happens
 */
public byte[] wrap(byte[] data, int offset, int len) throws SaslException {
    // mac
    byte[] mac = integrity.getHMAC(data, offset, len);
    integrity.incMySeqNum();

    // encrypt
    byte[] encrypted = new byte[len + 10];
    try {
        int n = encryptor.update(data, offset, len, encrypted, 0);
        encryptor.update(mac, 0, 10, encrypted, n);
    } catch (ShortBufferException sbe) {
        // this should not happen
        throw new SaslException("Error happens during encrypt data", sbe);
    }

    // append seqNum used for mac
    byte[] wrapped = new byte[encrypted.length + 4];
    System.arraycopy(encrypted, 0, wrapped, 0, encrypted.length);
    System.arraycopy(integrity.getSeqNum(), 0, wrapped, encrypted.length, 4);

    return wrapped;
}

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From source file:org.apache.hadoop.hbase.io.crypto.aes.CryptoAES.java

/**
 * Decrypts input data. The input composes of (msg, padding if needed, mac) and sequence num.
 * The result is msg.//from w w  w. j  av a  2s. co  m
 * @param data the input byte array
 * @param offset the offset in input where the input starts
 * @param len the input length
 * @return the new decrypted byte array.
 * @throws SaslException if error happens
 */
public byte[] unwrap(byte[] data, int offset, int len) throws SaslException {
    // get plaintext and seqNum
    byte[] decrypted = new byte[len - 4];
    byte[] peerSeqNum = new byte[4];
    try {
        decryptor.update(data, offset, len - 4, decrypted, 0);
    } catch (ShortBufferException sbe) {
        // this should not happen
        throw new SaslException("Error happens during decrypt data", sbe);
    }
    System.arraycopy(data, offset + decrypted.length, peerSeqNum, 0, 4);

    // get msg and mac
    byte[] msg = new byte[decrypted.length - 10];
    byte[] mac = new byte[10];
    System.arraycopy(decrypted, 0, msg, 0, msg.length);
    System.arraycopy(decrypted, msg.length, mac, 0, 10);

    // check mac integrity and msg sequence
    if (!integrity.compareHMAC(mac, peerSeqNum, msg, 0, msg.length)) {
        throw new SaslException("Unmatched MAC");
    }
    if (!integrity.comparePeerSeqNum(peerSeqNum)) {
        throw new SaslException("Out of order sequencing of messages. Got: " + integrity.byteToInt(peerSeqNum)
                + " Expected: " + integrity.peerSeqNum);
    }
    integrity.incPeerSeqNum();

    return msg;
}

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From source file:org.globus.mds.gsi.jndi.SaslClientWrapper.java

public byte[] evaluateChallenge(byte[] challengeData) throws SaslException {
    try {/*from   www  . j a  v a  2  s  .  c  o m*/
        return this.client.evaluateChallenge(challengeData);
    } catch (com.sun.security.sasl.preview.SaslException e) {
        throw new SaslException("", e);
    }
}

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From source file:org.globus.mds.gsi.jndi.SaslClientWrapper.java

public byte[] wrap(byte[] outgoing, int offset, int len) throws SaslException {
    try {/*  w ww  . j av a  2  s  .  com*/
        return this.client.wrap(outgoing, offset, len);
    } catch (com.sun.security.sasl.preview.SaslException e) {
        throw new SaslException("", e);
    }
}

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From source file:org.globus.mds.gsi.jndi.SaslClientWrapper.java

public byte[] unwrap(byte[] incoming, int offset, int len) throws SaslException {
    try {//from w ww . j ava  2s.co  m
        return this.client.unwrap(incoming, offset, len);
    } catch (com.sun.security.sasl.preview.SaslException e) {
        throw new SaslException("", e);
    }
}

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From source file:org.globus.mds.gsi.jndi.SaslClientWrapper.java

public void dispose() throws SaslException {
    try {//from   w  ww.ja  v  a 2 s  . c om
        this.client.dispose();
    } catch (com.sun.security.sasl.preview.SaslException e) {
        throw new SaslException("", e);
    }
}

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