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Java EAXBlockCipher类代码示例

本文整理汇总了Java中org.bouncycastle.crypto.modes.EAXBlockCipher类的典型用法代码示例。如果您正苦于以下问题：Java EAXBlockCipher类的具体用法？Java EAXBlockCipher怎么用？Java EAXBlockCipher使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


EAXBlockCipher类属于org.bouncycastle.crypto.modes包，在下文中一共展示了EAXBlockCipher类的10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，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: doEax

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
private void doEax(byte[] key, byte[] iv, byte[] pt, byte[] aad, int tagLength, byte[] expected)
    throws InvalidCipherTextException
{
    EAXBlockCipher c = new EAXBlockCipher(new SerpentEngine());

    c.init(true, new AEADParameters(new KeyParameter(key), tagLength, iv, aad));

    byte[] out = new byte[expected.length];

    int len = c.processBytes(pt, 0, pt.length, out, 0);

    c.doFinal(out, len);

    if (!Arrays.areEqual(expected, out))
    {
        fail("EAX test failed");
    }
}
开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:19，代码来源:SerpentTest.java

示例2: EAXEncryptStream

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
public EAXEncryptStream(byte[] key, byte[] nonce, byte[] associatedData, OutputStream os)
{
	if(key.length != KEY_LENGTH_BYTES)
	{
		throw new IllegalArgumentException("key must be " + KEY_LENGTH_BYTES*8 + " bits");
	}
	
	this.cipher = new EAXBlockCipher(new AESEngine());
	this.os = os;
	
	keyParameter = new KeyParameter(key);
	AEADParameters par = new AEADParameters(keyParameter, EAXDecryptStream.MAC_LEN_BITS, nonce, associatedData);

	cipher.init(true, par);
	
	out = new byte[BUFFER_SIZE];
}
开发者ID:andy-goryachev，项目名称:PasswordSafe，代码行数:18，代码来源:EAXEncryptStream.java

示例3: EAXDecryptStream

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
public EAXDecryptStream(byte[] key, byte[] nonce, byte[] associatedData, InputStream in)
{
	if(key.length != KEY_LENGTH_BYTES)
	{
		throw new IllegalArgumentException("key must be " + KEY_LENGTH_BYTES*8 + " bits");
	}
	
	this.in = in;
	this.cipher = new EAXBlockCipher(new AESEngine());
	
	keyParameter = new KeyParameter(key);
	AEADParameters par = new AEADParameters(keyParameter, MAC_LEN_BITS, nonce, associatedData);

	cipher.init(false, par);

	out = new byte[BUFFER_SIZE];
	buf = new byte[BUFFER_SIZE];
}
开发者ID:andy-goryachev，项目名称:PasswordSafe，代码行数:19，代码来源:EAXDecryptStream.java

示例4: testModes

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
private void testModes(BlockCipher cipher1, BlockCipher cipher2, int keySize)
    throws Exception
{
    final KeyParameter key = new KeyParameter(new byte[keySize]);
    final int blockSize = getBlockSize(cipher1);
    final CipherParameters withIv = new ParametersWithIV(key, new byte[blockSize]);

    if (blockSize > 1)
    {
        testMode(new PaddedBufferedBlockCipher(cipher1, new PKCS7Padding()), key);

        testMode(new PaddedBufferedBlockCipher(new CBCBlockCipher(cipher1), new PKCS7Padding()), withIv);

        testMode(new BufferedBlockCipher(new OFBBlockCipher(cipher1, blockSize)), withIv);
        testMode(new BufferedBlockCipher(new CFBBlockCipher(cipher1, blockSize)), withIv);
        testMode(new BufferedBlockCipher(new SICBlockCipher(cipher1)), withIv);
    }
    // CTS requires at least one block
    if (blockSize <= 16 && streamSize >= blockSize)
    {
        testMode(new CTSBlockCipher(cipher1), key);
    }
    if (blockSize <= 16 && streamSize >= blockSize)
    {
        testMode(new NISTCTSBlockCipher(NISTCTSBlockCipher.CS1, cipher1), key);
        testMode(new NISTCTSBlockCipher(NISTCTSBlockCipher.CS2, cipher1), key);
        testMode(new NISTCTSBlockCipher(NISTCTSBlockCipher.CS3, cipher1), key);
    }
    if (blockSize == 8 || blockSize == 16)
    {
        testMode(new EAXBlockCipher(cipher1), withIv);
    }
    if (blockSize == 16)
    {
        testMode(new CCMBlockCipher(cipher1), new ParametersWithIV(key, new byte[7]));
        testMode(new GCMBlockCipher(cipher1), withIv);
        testMode(new OCBBlockCipher(cipher1, cipher2), new ParametersWithIV(key, new byte[15]));
    }
}
开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:40，代码来源:CipherStreamTest.java

示例5: randomTest

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
private void randomTest(
    SecureRandom srng)
    throws InvalidCipherTextException
{
    int DAT_LEN = srng.nextInt() >>> 22; // Note: JDK1.0 compatibility
    byte[] nonce = new byte[NONCE_LEN];
    byte[] authen = new byte[AUTHEN_LEN];
    byte[] datIn = new byte[DAT_LEN];
    byte[] key = new byte[16];
    srng.nextBytes(nonce);
    srng.nextBytes(authen);
    srng.nextBytes(datIn);
    srng.nextBytes(key);

    AESFastEngine engine = new AESFastEngine();
    KeyParameter sessKey = new KeyParameter(key);
    EAXBlockCipher eaxCipher = new EAXBlockCipher(engine);

    AEADParameters params = new AEADParameters(sessKey, MAC_LEN * 8, nonce, authen);
    eaxCipher.init(true, params);

    byte[] intrDat = new byte[eaxCipher.getOutputSize(datIn.length)];
    int outOff = eaxCipher.processBytes(datIn, 0, DAT_LEN, intrDat, 0);
    outOff += eaxCipher.doFinal(intrDat, outOff);

    eaxCipher.init(false, params);
    byte[] datOut = new byte[eaxCipher.getOutputSize(outOff)];
    int resultLen = eaxCipher.processBytes(intrDat, 0, outOff, datOut, 0);
    eaxCipher.doFinal(datOut, resultLen);

    if (!areEqual(datIn, datOut))
    {
        fail("EAX roundtrip failed to match");
    }
}
开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:36，代码来源:EAXTest.java

示例6: encrypt

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
public static final byte[] encrypt(byte[] data) throws Exception
{
	EAXBlockCipher cipher = new EAXBlockCipher(new AESEngine());
	
	byte[] nonce = new byte[NONCE_SIZE_BYTES];
	new SecureRandom().nextBytes(nonce);

	byte[] key = generateKey();
	KeyParameter kp = new KeyParameter(key);
	try
	{
		AEADParameters par = new AEADParameters(kp, MAC_SIZE_BITS, nonce, ZERO_BYTE_ARRAY);
		cipher.init(true, par);
		
		int sz = cipher.getOutputSize(data.length);
		byte[] out = new byte[NONCE_SIZE_BYTES + sz];
		System.arraycopy(nonce, 0, out, 0, NONCE_SIZE_BYTES);

		int off = NONCE_SIZE_BYTES;
		off += cipher.processBytes(data, 0, data.length, out, off);
		cipher.doFinal(out, off);
		return out;
	}
	finally
	{
		Crypto.zero(kp);
		Crypto.zero(key);
	}
}
开发者ID:andy-goryachev，项目名称:PasswordSafe，代码行数:30，代码来源:MemCrypt.java

示例7: decrypt

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
public static final byte[] decrypt(byte[] data) throws Exception
{
	EAXBlockCipher cipher = new EAXBlockCipher(new AESEngine());
	
	byte[] nonce = new byte[NONCE_SIZE_BYTES];
	System.arraycopy(data, 0, nonce, 0, NONCE_SIZE_BYTES);
	
	byte[] key = generateKey();
	KeyParameter kp = new KeyParameter(key);
	try
	{
		AEADParameters par = new AEADParameters(kp, MAC_SIZE_BITS, nonce, ZERO_BYTE_ARRAY);
		cipher.init(false, par);
		
		int sz = cipher.getOutputSize(data.length - NONCE_SIZE_BYTES);
		byte[] out = new byte[sz];
		
		int off = cipher.processBytes(data, NONCE_SIZE_BYTES, data.length - NONCE_SIZE_BYTES, out, 0);
		cipher.doFinal(out, off);
		return out;
	}
	finally
	{
		Crypto.zero(kp);
		Crypto.zero(key);
	}
}
开发者ID:andy-goryachev，项目名称:PasswordSafe，代码行数:28，代码来源:MemCrypt.java

示例8: runCheckVectors

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
private void runCheckVectors(
    int count,
    EAXBlockCipher encEax,
    EAXBlockCipher decEax,
    String additionalDataType,
    byte[] sa,
    byte[] p,
    byte[] t,
    byte[] c)
    throws InvalidCipherTextException
{
    byte[] enc = new byte[c.length];

    if (sa != null)
    {
        encEax.processAADBytes(sa, 0, sa.length);
    }

    int len = encEax.processBytes(p, 0, p.length, enc, 0);

    len += encEax.doFinal(enc, len);

    if (!areEqual(c, enc))
    {
        fail("encrypted stream fails to match in test " + count + " with " + additionalDataType);
    }

    byte[] tmp = new byte[enc.length];

    if (sa != null)
    {
        decEax.processAADBytes(sa, 0, sa.length);
    }

    len = decEax.processBytes(enc, 0, enc.length, tmp, 0);

    len += decEax.doFinal(tmp, len);

    byte[] dec = new byte[len];

    System.arraycopy(tmp, 0, dec, 0, len);

    if (!areEqual(p, dec))
    {
        fail("decrypted stream fails to match in test " + count + " with " + additionalDataType);
    }

    if (!areEqual(t, decEax.getMac()))
    {
        fail("MAC fails to match in test " + count + " with " + additionalDataType);
    }
}
开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:53，代码来源:EAXTest.java

示例9: runCheckVectors

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
private void runCheckVectors(
    int count,
    EAXBlockCipher encEax,
    EAXBlockCipher decEax,
    String additionalDataType,
    byte[] sa,
    byte[] p,
    byte[] t,
    byte[] c)
    throws InvalidCipherTextException
{
    byte[] enc = new byte[c.length];

    if (sa != null)
    {
        encEax.processAADBytes(sa, 0, sa.length);
    }

    int len = encEax.processBytes(p, 0, p.length, enc, 0);

    len += encEax.doFinal(enc, len);

    if (!areEqual(c, enc))
    {
        fail("encrypted stream fails to match in test " + count + " with " + additionalDataType);
    }

    byte[] tmp = new byte[enc.length];

    if (sa != null)
    {
        decEax.processAADBytes(sa, 0, sa.length);
    }

    len = decEax.processBytes(enc, 0, enc.length, tmp, 0);

    len += decEax.doFinal(tmp, len);

    byte[] dec = new byte[len];
    
    System.arraycopy(tmp, 0, dec, 0, len);

    if (!areEqual(p, dec))
    {
        fail("decrypted stream fails to match in test " + count + " with " + additionalDataType);
    }

    if (!areEqual(t, decEax.getMac()))
    {
        fail("MAC fails to match in test " + count + " with " + additionalDataType);
    }
}
开发者ID:credentials，项目名称:irma_future_id，代码行数:53，代码来源:EAXTest.java

示例10: createAEADBlockCipher

import org.bouncycastle.crypto.modes.EAXBlockCipher; //导入依赖的package包/类
@Override
protected AEADBlockCipher createAEADBlockCipher() {
    return new EAXBlockCipher(new AESEngine());
}
开发者ID:dzhemriza，项目名称:toffi，代码行数:5，代码来源:BcEaxAesEncoder.java


注：本文中的org.bouncycastle.crypto.modes.EAXBlockCipher类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。