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Java SICBlockCipher.processBlock方法代码示例

本文整理汇总了Java中org.spongycastle.crypto.modes.SICBlockCipher.processBlock方法的典型用法代码示例。如果您正苦于以下问题：Java SICBlockCipher.processBlock方法的具体用法？Java SICBlockCipher.processBlock怎么用？Java SICBlockCipher.processBlock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org.spongycastle.crypto.modes.SICBlockCipher的用法示例。


在下文中一共展示了SICBlockCipher.processBlock方法的7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: decryptAES

import org.spongycastle.crypto.modes.SICBlockCipher; //导入方法依赖的package包/类
/**
 * Decrypt cipher by AES in SIC(also know as CTR) mode
 *
 * @param cipher -proper cipher
 * @return decrypted cipher, equal length to the cipher.
 * @deprecated should not use EC private scalar value as an AES key
 */
public byte[] decryptAES(byte[] cipher){

    if (privKey == null) {
        throw new MissingPrivateKeyException();
    }
    if (!(privKey instanceof BCECPrivateKey)) {
        throw new UnsupportedOperationException("Cannot use the private key as an AES key");
    }


    AESFastEngine engine = new AESFastEngine();
    SICBlockCipher ctrEngine = new SICBlockCipher(engine);

    KeyParameter key = new KeyParameter(BigIntegers.asUnsignedByteArray(((BCECPrivateKey) privKey).getD()));
    ParametersWithIV params = new ParametersWithIV(key, new byte[16]);

    ctrEngine.init(false, params);

    int i = 0;
    byte[] out = new byte[cipher.length];
    while(i < cipher.length){
        ctrEngine.processBlock(cipher, i, out, i);
        i += engine.getBlockSize();
        if (cipher.length - i  < engine.getBlockSize())
            break;
    }

    // process left bytes
    if (cipher.length - i > 0){
        byte[] tmpBlock = new byte[16];
        System.arraycopy(cipher, i, tmpBlock, 0, cipher.length - i);
        ctrEngine.processBlock(tmpBlock, 0, tmpBlock, 0);
        System.arraycopy(tmpBlock, 0, out, i, cipher.length - i);
    }

    return out;
}
开发者ID:toshiapp，项目名称:toshi-headless-client，代码行数:45，代码来源:ECKey.java

示例2: test11

import org.spongycastle.crypto.modes.SICBlockCipher; //导入方法依赖的package包/类
@Test  // basic encryption/decryption
public void test11() throws Throwable {

    byte[] keyBytes = HashUtil.sha3("...".getBytes());
    log.info("key: {}", Hex.toHexString(keyBytes));
    byte[] ivBytes = new byte[16];
    byte[] payload = Hex.decode("22400891000000000000000000000000");

    KeyParameter key = new KeyParameter(keyBytes);
    ParametersWithIV params = new ParametersWithIV(key, new byte[16]);

    AESFastEngine engine = new AESFastEngine();
    SICBlockCipher ctrEngine = new SICBlockCipher(engine);

    ctrEngine.init(true, params);

    byte[] cipher = new byte[16];
    ctrEngine.processBlock(payload, 0, cipher, 0);

    log.info("cipher: {}", Hex.toHexString(cipher));


    byte[] output = new byte[cipher.length];
    ctrEngine.init(false, params);
    ctrEngine.processBlock(cipher, 0, output, 0);

    assertEquals(Hex.toHexString(output), Hex.toHexString(payload));
    log.info("original: {}", Hex.toHexString(payload));
}
开发者ID:talentchain，项目名称:talchain，代码行数:30，代码来源:CryptoTest.java

示例3: test12

import org.spongycastle.crypto.modes.SICBlockCipher; //导入方法依赖的package包/类
@Test  // big packet encryption
public void test12() throws Throwable {

    AESFastEngine engine = new AESFastEngine();
    SICBlockCipher ctrEngine = new SICBlockCipher(engine);

    byte[] keyBytes = Hex.decode("a4627abc2a3c25315bff732cb22bc128f203912dd2a840f31e66efb27a47d2b1");
    byte[] ivBytes = new byte[16];
    byte[] payload    = Hex.decode("0109efc76519b683d543db9d0991bcde99cc9a3d14b1d0ecb8e9f1f66f31558593d746eaa112891b04ef7126e1dce17c9ac92ebf39e010f0028b8ec699f56f5d0c0d00");
    byte[] cipherText = Hex.decode("f9fab4e9dd9fc3e5d0d0d16da254a2ac24df81c076e3214e2c57da80a46e6ae4752f4b547889fa692b0997d74f36bb7c047100ba71045cb72cfafcc7f9a251762cdf8f");

    KeyParameter key = new KeyParameter(keyBytes);
    ParametersWithIV params = new ParametersWithIV(key, ivBytes);

    ctrEngine.init(true, params);

    byte[] in = payload;
    byte[] out = new byte[in.length];

    int i = 0;

    while(i < in.length){
        ctrEngine.processBlock(in, i, out, i);
        i += engine.getBlockSize();
        if (in.length - i  < engine.getBlockSize())
            break;
    }

    // process left bytes
    if (in.length - i > 0){
        byte[] tmpBlock = new byte[16];
        System.arraycopy(in, i, tmpBlock, 0, in.length - i);
        ctrEngine.processBlock(tmpBlock, 0, tmpBlock, 0);
        System.arraycopy(tmpBlock, 0, out, i, in.length - i);
    }

    log.info("cipher: {}", Hex.toHexString(out));

    assertEquals(Hex.toHexString(cipherText), Hex.toHexString(out));
}
开发者ID:talentchain，项目名称:talchain，代码行数:41，代码来源:CryptoTest.java

示例4: decryptAES

import org.spongycastle.crypto.modes.SICBlockCipher; //导入方法依赖的package包/类
/**
 * Decrypt cipher by AES in SIC(also know as CTR) mode
 *
 * @param cipher -proper cipher
 * @return decrypted cipher, equal length to the cipher.
 */
public byte[] decryptAES(byte[] cipher){

    if (priv == null) {
        throw new MissingPrivateKeyException();
    }


    AESFastEngine engine = new AESFastEngine();
    SICBlockCipher ctrEngine = new SICBlockCipher(engine);

    KeyParameter key = new KeyParameter(BigIntegers.asUnsignedByteArray(priv));
    ParametersWithIV params = new ParametersWithIV(key, new byte[16]);

    ctrEngine.init(false, params);

    int i = 0;
    byte[] out = new byte[cipher.length];
    while(i < cipher.length){
        ctrEngine.processBlock(cipher, i, out, i);
        i += engine.getBlockSize();
        if (cipher.length - i  < engine.getBlockSize()) {
            break;
        }
    }

    // process left bytes
    if (cipher.length - i > 0){
        byte[] tmpBlock = new byte[16];
        System.arraycopy(cipher, i, tmpBlock, 0, cipher.length - i);
        ctrEngine.processBlock(tmpBlock, 0, tmpBlock, 0);
        System.arraycopy(tmpBlock, 0, out, i, cipher.length - i);
    }

    return out;
}
开发者ID:rsksmart，项目名称:rskj，代码行数:42，代码来源:ECKey.java

示例5: test11

import org.spongycastle.crypto.modes.SICBlockCipher; //导入方法依赖的package包/类
@Test  // basic encryption/decryption
public void test11() throws Throwable {

    byte[] keyBytes = sha3("...".getBytes());
    log.info("key: {}", Hex.toHexString(keyBytes));
    byte[] ivBytes = new byte[16];
    byte[] payload = Hex.decode("22400891000000000000000000000000");

    KeyParameter key = new KeyParameter(keyBytes);
    ParametersWithIV params = new ParametersWithIV(key, new byte[16]);

    AESFastEngine engine = new AESFastEngine();
    SICBlockCipher ctrEngine = new SICBlockCipher(engine);

    ctrEngine.init(true, params);

    byte[] cipher = new byte[16];
    ctrEngine.processBlock(payload, 0, cipher, 0);

    log.info("cipher: {}", Hex.toHexString(cipher));


    byte[] output = new byte[cipher.length];
    ctrEngine.init(false, params);
    ctrEngine.processBlock(cipher, 0, output, 0);

    assertEquals(Hex.toHexString(output), Hex.toHexString(payload));
    log.info("original: {}", Hex.toHexString(payload));
}
开发者ID:rsksmart，项目名称:rskj，代码行数:30，代码来源:CryptoTest.java

示例6: decryptAES

import org.spongycastle.crypto.modes.SICBlockCipher; //导入方法依赖的package包/类
/**
 * Decrypt cipher by AES in SIC(also know as CTR) mode
 *
 * @param cipher -proper cipher
 * @return decrypted cipher, equal length to the cipher.
 * @deprecated should not use EC private scalar value as an AES key
 */
public byte[] decryptAES(byte[] cipher) {

  if (privKey == null) {
    throw new MissingPrivateKeyException();
  }
  if (!(privKey instanceof BCECPrivateKey)) {
    throw new UnsupportedOperationException("Cannot use the private key as an AES key");
  }

  AESFastEngine engine = new AESFastEngine();
  SICBlockCipher ctrEngine = new SICBlockCipher(engine);

  KeyParameter key =
      new KeyParameter(BigIntegers.asUnsignedByteArray(((BCECPrivateKey) privKey).getD()));
  ParametersWithIV params = new ParametersWithIV(key, new byte[16]);

  ctrEngine.init(false, params);

  int i = 0;
  byte[] out = new byte[cipher.length];
  while (i < cipher.length) {
    ctrEngine.processBlock(cipher, i, out, i);
    i += engine.getBlockSize();
    if (cipher.length - i < engine.getBlockSize()) break;
  }

  // process left bytes
  if (cipher.length - i > 0) {
    byte[] tmpBlock = new byte[16];
    System.arraycopy(cipher, i, tmpBlock, 0, cipher.length - i);
    ctrEngine.processBlock(tmpBlock, 0, tmpBlock, 0);
    System.arraycopy(tmpBlock, 0, out, i, cipher.length - i);
  }

  return out;
}
开发者ID:Aptoide，项目名称:AppCoins-ethereumj，代码行数:44，代码来源:ECKey.java

示例7: decryptAES

import org.spongycastle.crypto.modes.SICBlockCipher; //导入方法依赖的package包/类
/**
 * Decrypt cipher by AES in SIC(also know as CTR) mode
 *
 * @param cipher
 *            -proper cipher
 * @return decrypted cipher, equal length to the cipher.
 */
public byte[] decryptAES(byte[] cipher) {

    if (priv == null)
        throw new MissingPrivateKeyException();

    AESFastEngine engine = new AESFastEngine();
    SICBlockCipher ctrEngine = new SICBlockCipher(engine);

    KeyParameter key = new KeyParameter(BigIntegers.asUnsignedByteArray(priv));
    ParametersWithIV params = new ParametersWithIV(key, new byte[16]);

    ctrEngine.init(false, params);

    int i = 0;
    byte[] out = new byte[cipher.length];
    while (i < cipher.length) {
        ctrEngine.processBlock(cipher, i, out, i);
        i += engine.getBlockSize();
        if (cipher.length - i < engine.getBlockSize())
            break;
    }

    // process left bytes
    if (cipher.length - i > 0) {
        byte[] tmpBlock = new byte[16];
        System.arraycopy(cipher, i, tmpBlock, 0, cipher.length - i);
        ctrEngine.processBlock(tmpBlock, 0, tmpBlock, 0);
        System.arraycopy(tmpBlock, 0, out, i, cipher.length - i);
    }

    return out;
}
开发者ID:cegeka，项目名称:tether，代码行数:40，代码来源:ECKey.java


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