com.ionic.sdk.addon.dpapi.cipher

Class DpapiCipher

java.lang.Object

com.ionic.sdk.cipher.CipherAbstract

com.ionic.sdk.addon.dpapi.cipher.DpapiCipher

public final class DpapiCipher
extends com.ionic.sdk.cipher.CipherAbstract

Windows Data Protection API implementation.

Constructor Summary

Constructors

Constructor and Description
DpapiCipher(java.lang.String entropy) Constructor.

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] cipherText) Decrypt a previously encrypted byte array and return the result as another byte array.
byte[]	encrypt(byte[] plainText) Encrypt a byte array and return the result as another byte array.
byte[]	encrypt(java.lang.String plainText) Encrypt a string and return the result as a byte array.

Methods inherited from class com.ionic.sdk.cipher.CipherAbstract

decryptBase64, decryptBase64ToString, decryptToString, encryptString, encryptToBase64, encryptToBase64

Methods inherited from class java.lang.Object

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

Constructor Detail

DpapiCipher

public DpapiCipher(java.lang.String entropy)
            throws com.ionic.sdk.error.IonicException

Constructor.

Parameters:

entropy - additional state (can be from the machine) used to secure the data

Throws:

com.ionic.sdk.error.IonicException - on use when on non-Windows OS

Method Detail

encrypt

public byte[] encrypt(byte[] plainText)
               throws com.ionic.sdk.error.IonicException

Encrypt a byte array and return the result as another byte array.

Specified by:

encrypt in class com.ionic.sdk.cipher.CipherAbstract

Parameters:

plainText - array of bytes to encrypt

Returns:

array of bytes representing the ciphertext

Throws:

com.ionic.sdk.error.IonicException - on cryptography errors

encrypt

public byte[] encrypt(java.lang.String plainText)
               throws com.ionic.sdk.error.IonicException

Encrypt a string and return the result as a byte array.

Specified by:

encrypt in class com.ionic.sdk.cipher.CipherAbstract

Parameters:

plainText - Plaintext String to encrypt.

Returns:

An array of bytes representing the ciphertext.

Throws:

com.ionic.sdk.error.IonicException - on cryptography errors

decrypt

public byte[] decrypt(byte[] cipherText)
               throws com.ionic.sdk.error.IonicException

Decrypt a previously encrypted byte array and return the result as another byte array.

Specified by:

decrypt in class com.ionic.sdk.cipher.CipherAbstract

Parameters:

cipherText - array of bytes to decrypt

Returns:

array of bytes representing the decrypted plaintext

Throws:

com.ionic.sdk.error.IonicException - on cryptography errors