Package ddf.security.encryption.crypter

Class Crypter

java.lang.Object

ddf.security.encryption.crypter.Crypter

public class Crypter
extends Object

A "crypter" combines an "encryptor" and a "decryptor". This class is responsible for abstracting underlying cryptography implementations for use throughout the system.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Crypter.CrypterException

Constructor Summary

Constructors

Constructor	Description
Crypter()
Crypter(String keysetFileName)	Read/create a specified keyset under the keyset directory.

Method Summary

Modifier and Type	Method	Description
byte[]	decrypt(byte[] encryptedBytes)	Decrypts a plain text value using Tink.
InputStream	decrypt(InputStream encryptedInputStream)	Decrypts an encrypted InputStream using Tink.
String	decrypt(String encryptedValue)	Decrypts a plain text value using Tink.
byte[]	encrypt(byte[] plainBytes)	Encrypts a plain text value using Tink.
InputStream	encrypt(InputStream plainInputStream)	Encrypts a plain InputStream using Tink.
String	encrypt(String plainTextValue)	Encrypts a plain text value using Tink.

Methods inherited from class java.lang.Object

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

Constructor Details

Crypter

public Crypter(String keysetFileName)
        throws Crypter.CrypterException

Read/create a specified keyset under the keyset directory.

Parameters:

keysetFileName - name of the keyset to read/create.

Throws:

Crypter.CrypterException

Crypter

public Crypter()
        throws Crypter.CrypterException

Throws:

Crypter.CrypterException

Method Details

encrypt

public byte[] encrypt(byte[] plainBytes)
               throws Crypter.CrypterException

Encrypts a plain text value using Tink.

Parameters:

plainBytes - The value to encrypt.

Throws:

Crypter.CrypterException

decrypt

public byte[] decrypt(byte[] encryptedBytes)
               throws Crypter.CrypterException

Decrypts a plain text value using Tink.

Parameters:

encryptedBytes - The value to decrypt.

Throws:

Crypter.CrypterException

encrypt

public String encrypt(String plainTextValue)
               throws Crypter.CrypterException

Encrypts a plain text value using Tink.

Parameters:

plainTextValue - The value to encrypt.

Throws:

Crypter.CrypterException

decrypt

public String decrypt(String encryptedValue)
               throws Crypter.CrypterException

Decrypts a plain text value using Tink.

Parameters:

encryptedValue - The value to decrypt.

Throws:

Crypter.CrypterException

encrypt

public InputStream encrypt(InputStream plainInputStream)
                    throws Crypter.CrypterException

Encrypts a plain InputStream using Tink.

Parameters:

plainInputStream - The InputStream to encrypt.

Throws:

Crypter.CrypterException

decrypt

public InputStream decrypt(InputStream encryptedInputStream)
                    throws Crypter.CrypterException

Decrypts an encrypted InputStream using Tink.

Parameters:

encryptedInputStream - The InputStream to decrypt.

Throws:

Crypter.CrypterException