Package kz.greetgo.security.crypto

Class CryptoBridge

  • All Implemented Interfaces:
    Crypto
    public class CryptoBridge
extends java.lang.Object
implements Crypto

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static CryptoTrace trace  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      byte[] decrypt​(byte[] encryptedBytes)
      Decrypt encrypted data using private key
      byte[] decryptBlock​(byte[] encryptedBytes)
      Decrypt encrypted data using private key
      byte[] encrypt​(byte[] bytes)
      Encrypt data using public key
      byte[] encryptBlock​(byte[] bytes)
      Encrypt data using public key
      byte[] makeHash​(byte[] sourceBytes)
      Generate hash
      java.security.SecureRandom rnd()
      Gives security random generator
      byte[] sign​(byte[] bytes)
      Sign data
      boolean verifySignature​(byte[] bytes, byte[] signature)
      Verifies signature

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • CryptoBridge

        public CryptoBridge​(CryptoSource cryptoSource)

    • Method Detail

      • encryptBlock

        public byte[] encryptBlock​(byte[] bytes)
        Description copied from interface: Crypto
        Encrypt data using public key

        Max number of bytes is limited by CryptoSource.getBlockSize()

        Specified by:
        encryptBlock in interface Crypto
        Parameters:
        bytes - data to encrypt
        Returns:
        encrypted data

      • decryptBlock

        public byte[] decryptBlock​(byte[] encryptedBytes)
        Description copied from interface: Crypto
        Decrypt encrypted data using private key

        Encryption must be made by method Crypto.encryptBlock(byte[])

        Specified by:
        decryptBlock in interface Crypto
        Parameters:
        encryptedBytes - encrypted data
        Returns:
        decrypted (original) data

      • encrypt

        public byte[] encrypt​(byte[] bytes)
        Description copied from interface: Crypto
        Encrypt data using public key
        Specified by:
        encrypt in interface Crypto
        Parameters:
        bytes - data to encrypt
        Returns:
        encrypted data

      • decrypt

        public byte[] decrypt​(byte[] encryptedBytes)
        Description copied from interface: Crypto
        Decrypt encrypted data using private key

        Encryption must be made by method Crypto.encrypt(byte[])

        Specified by:
        decrypt in interface Crypto
        Parameters:
        encryptedBytes - encrypted data
        Returns:
        decrypted (original) data

      • sign

        public byte[] sign​(byte[] bytes)
        Description copied from interface: Crypto
        Sign data
        Specified by:
        sign in interface Crypto
        Parameters:
        bytes - the data to sign
        Returns:
        signature

      • verifySignature

        public boolean verifySignature​(byte[] bytes,
                               byte[] signature)
        Description copied from interface: Crypto
        Verifies signature
        Specified by:
        verifySignature in interface Crypto
        Parameters:
        bytes - checking data
        signature - verifying signature
        Returns:
        verification result: true - verification is OK, otherwise - verification wrong

      • makeHash

        public byte[] makeHash​(byte[] sourceBytes)
        Description copied from interface: Crypto
        Generate hash
        Specified by:
        makeHash in interface Crypto
        Parameters:
        sourceBytes - source data
        Returns:
        hash

      • rnd

        public java.security.SecureRandom rnd()
        Description copied from interface: Crypto
        Gives security random generator
        Specified by:
        rnd in interface Crypto
        Returns:
        security random generator