List of decipher() Examples

Examples of decipher()

freenet.crypt.BlockCipher.decipher()
Deciphers the contents of block where block must be equal to getBlockSize()/8. The result is placed in result and, too has to have length getBlockSize()/8. Block and result may refer to the same array. Warning: It is not a guarantee that block will not be over- written in the course of the algorithm
freenet.crypt.PCFBMode.decipher()
Deciphers one byte of data, by XOR'ing the ciphertext byte with one byte from the encrypted buffer. Then places the received byte in the feedback register. If no bytes are available in the encrypted buffer, the feedback register is encrypted, providing block_size/8 new bytes for decryption

Examples of freenet.crypt.BlockCipher.decipher()

            } catch (UnsupportedCipherException e) {
              throw new Error("Impossible: no Rijndael(256,128): "+e, e);
            }
            cipher.initialize(masterKey);
            salt = new byte[0x10];
            cipher.decipher(diskSalt, salt);
            if(logDEBUG)
              Logger.debug(this, "Encrypting (new) with "+HexUtil.bytesToHex(salt)+" from "+HexUtil.bytesToHex(diskSalt));
          }


          cipherManager = new CipherManager(salt, diskSalt);

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Examples of freenet.crypt.PCFBMode.decipher()

    byte[] hash = Arrays.copyOfRange(buf, offset+ivLength, offset+ivLength+digestLength);
    pcfb.blockDecipher(hash, 0, hash.length);


    int dataStart = ivLength + digestLength + offset+2;


    int byte1 = ((pcfb.decipher(buf[dataStart-2])) & 0xff);
    int byte2 = ((pcfb.decipher(buf[dataStart-1])) & 0xff);
    int dataLength = (byte1 << 8) + byte2;
    if(logDEBUG) Logger.debug(this, "Data length: "+dataLength+" (1 = "+byte1+" 2 = "+byte2+ ')');
    if(dataLength > length - (ivLength+hash.length+2)) {
      if(logDEBUG) Logger.debug(this, "Invalid data length "+dataLength+" ("+(length - (ivLength+hash.length+2))+") in tryProcessAuth");

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Examples of freenet.crypt.PCFBMode.decipher()

    pcfb.blockDecipher(hash, 0, hash.length);


    int dataStart = ivLength + digestLength + offset+2;


    int byte1 = ((pcfb.decipher(buf[dataStart-2])) & 0xff);
    int byte2 = ((pcfb.decipher(buf[dataStart-1])) & 0xff);
    int dataLength = (byte1 << 8) + byte2;
    if(logDEBUG) Logger.debug(this, "Data length: "+dataLength+" (1 = "+byte1+" 2 = "+byte2+ ')');
    if(dataLength > length - (ivLength+hash.length+2)) {
      if(logDEBUG) Logger.debug(this, "Invalid data length "+dataLength+" ("+(length - (ivLength+hash.length+2))+") in tryProcessAuth");
      return false;

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Examples of freenet.crypt.PCFBMode.decipher()

    byte[] hash = Arrays.copyOfRange(buf, offset+ivLength, offset+ivLength+digestLength);
    pcfb.blockDecipher(hash, 0, hash.length);


    int dataStart = ivLength + digestLength + offset+2;


    int byte1 = ((pcfb.decipher(buf[dataStart-2])) & 0xff);
    int byte2 = ((pcfb.decipher(buf[dataStart-1])) & 0xff);
    int dataLength = (byte1 << 8) + byte2;
    if(logMINOR) Logger.minor(this, "Data length: "+dataLength+" (1 = "+byte1+" 2 = "+byte2+ ')');
    if(dataLength > length - (ivLength+hash.length+2)) {
      if(logMINOR) Logger.minor(this, "Invalid data length "+dataLength+" ("+(length - (ivLength+hash.length+2))+") in tryProcessAuthAnon");

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Examples of freenet.crypt.PCFBMode.decipher()

    pcfb.blockDecipher(hash, 0, hash.length);


    int dataStart = ivLength + digestLength + offset+2;


    int byte1 = ((pcfb.decipher(buf[dataStart-2])) & 0xff);
    int byte2 = ((pcfb.decipher(buf[dataStart-1])) & 0xff);
    int dataLength = (byte1 << 8) + byte2;
    if(logMINOR) Logger.minor(this, "Data length: "+dataLength+" (1 = "+byte1+" 2 = "+byte2+ ')');
    if(dataLength > length - (ivLength+hash.length+2)) {
      if(logMINOR) Logger.minor(this, "Invalid data length "+dataLength+" ("+(length - (ivLength+hash.length+2))+") in tryProcessAuthAnon");
      return false;

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Examples of freenet.crypt.PCFBMode.decipher()

    byte[] hash = Arrays.copyOfRange(buf, offset+ivLength, offset+ivLength+digestLength);
    pcfb.blockDecipher(hash, 0, hash.length);


    int dataStart = ivLength + digestLength + offset+2;


    int byte1 = ((pcfb.decipher(buf[dataStart-2])) & 0xff);
    int byte2 = ((pcfb.decipher(buf[dataStart-1])) & 0xff);
    int dataLength = (byte1 << 8) + byte2;
    if(logDEBUG) Logger.minor(this, "Data length: "+dataLength+" (1 = "+byte1+" 2 = "+byte2+ ')');
    if(dataLength > length - (ivLength+hash.length+2)) {
      if(logDEBUG) Logger.debug(this, "Invalid data length "+dataLength+" ("+(length - (ivLength+hash.length+2))+") in tryProcessAuth");

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Examples of freenet.crypt.PCFBMode.decipher()

    pcfb.blockDecipher(hash, 0, hash.length);


    int dataStart = ivLength + digestLength + offset+2;


    int byte1 = ((pcfb.decipher(buf[dataStart-2])) & 0xff);
    int byte2 = ((pcfb.decipher(buf[dataStart-1])) & 0xff);
    int dataLength = (byte1 << 8) + byte2;
    if(logDEBUG) Logger.minor(this, "Data length: "+dataLength+" (1 = "+byte1+" 2 = "+byte2+ ')');
    if(dataLength > length - (ivLength+hash.length+2)) {
      if(logDEBUG) Logger.debug(this, "Invalid data length "+dataLength+" ("+(length - (ivLength+hash.length+2))+") in tryProcessAuth");
      return false;

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