Java Code Examples for javax.crypto.spec.GCMParameterSpec#getIV()

The following examples show how to use javax.crypto.spec.GCMParameterSpec#getIV() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GCMParameters.java    From Bytecoder with Apache License 2.0 6 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    if (this.tLen < 12 || this.tLen > 16 ) {
        throw new InvalidParameterSpecException
            ("GCM parameter parsing error: unsupported tag len: " +
             this.tLen);
    }
    this.iv = gps.getIV();
}
Example 2
Source File: GCMParameters.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 3
Source File: GCMParameterSpecTest.java    From j2objc with Apache License 2.0 5 votes vote down vote up 
public void testGetIV_Success() throws Exception {
    GCMParameterSpec spec = new GCMParameterSpec(8, TEST_IV);

    byte[] actual = spec.getIV();
    assertEquals(Arrays.toString(TEST_IV), Arrays.toString(actual));

    // XOR with 0xFF so we're sure we changed the array
    for (int i = 0; i < actual.length; i++) {
        actual[i] ^= 0xFF;
    }

    assertFalse("Changing the IV returned shouldn't change the parameter spec",
            Arrays.equals(spec.getIV(), actual));
    assertEquals(Arrays.toString(TEST_IV), Arrays.toString(spec.getIV()));
}
Example 4
Source File: GCMParameters.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 5
Source File: GCMParameters.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 6
Source File: AesGcmJceKeyCipher.java    From aws-encryption-sdk-java with Apache License 2.0 5 votes vote down vote up 
private static byte[] specToBytes(final GCMParameterSpec spec) {
    final byte[] nonce = spec.getIV();
    final byte[] result = new byte[SPEC_LENGTH];
    final ByteBuffer buffer = ByteBuffer.wrap(result);
    buffer.putInt(spec.getTLen());
    buffer.putInt(nonce.length);
    buffer.put(nonce);
    return result;
}
Example 7
Source File: OpenSslGaloisCounterMode.java    From commons-crypto with Apache License 2.0 5 votes vote down vote up 
@Override
public void init(final int mode, final byte[] key, final AlgorithmParameterSpec params)
        throws InvalidAlgorithmParameterException {

    if (aadBuffer == null) {
        aadBuffer = new ByteArrayOutputStream();
    } else {
        aadBuffer.reset();
    }

    this.cipherMode = mode;
    byte[] iv;
    if (params instanceof GCMParameterSpec) {
        final GCMParameterSpec gcmParam = (GCMParameterSpec) params;
        iv = gcmParam.getIV();
        this.tagBitLen = gcmParam.getTLen();
    } else {
        // other AlgorithmParameterSpec is not supported now.
        throw new InvalidAlgorithmParameterException("Illegal parameters");
    }

    if (this.cipherMode == OpenSsl.DECRYPT_MODE) {
        inBuffer = new ByteArrayOutputStream();
    }

    context = OpenSslNative.init(context, mode, algorithmMode, padding, key, iv);
}
Example 8
Source File: GCMParameters.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 9
Source File: GCMParameters.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 10
Source File: GCMParameters.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 11
Source File: GCMParameters.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 12
Source File: GCMParameters.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 13
Source File: GCMParameters.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 14
Source File: GCMParameters.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 15
Source File: GCMParameters.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 16
Source File: GCMParameters.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 17
Source File: GCMParameters.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}
Example 18
Source File: GCMParameters.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
protected void engineInit(AlgorithmParameterSpec paramSpec)
    throws InvalidParameterSpecException {

    if (!(paramSpec instanceof GCMParameterSpec)) {
        throw new InvalidParameterSpecException
            ("Inappropriate parameter specification");
    }
    GCMParameterSpec gps = (GCMParameterSpec) paramSpec;
    // need to convert from bits to bytes for ASN.1 encoding
    this.tLen = gps.getTLen()/8;
    this.iv = gps.getIV();
}