Package com.academy.stratum.crypto.api.secured.data

Class SecuredData

java.lang.Object

com.academy.stratum.crypto.api.secured.data.SecuredData

All Implemented Interfaces:

java.io.Serializable

public class SecuredData
extends java.lang.Object
implements java.io.Serializable

Secured data container
After encryption you can safely move this object in the insecure networks

Author:

Ruslan Nazirov

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
SecuredData(byte[] data)	Init SecuredData from bytes array
SecuredData(java.io.File file)	Init SecuredData from file

Method Summary

Modifier and Type	Method	Description
void	decrypt(java.security.PrivateKey aeaPrivateKey, java.security.PublicKey dsaPublicKey, byte[] macSecretKey)	Дешифрование объекта
void	encrypt(java.security.PublicKey aeaPublicKey, java.security.PrivateKey dsaPrivateKey, byte[] macSecretKey, SymmetricEncryptionAlgorithm SEA, AsymmetricEncryptionAlgorithm AEA, DigitalSignatureAlgorithm DSA, MessageAuthenticationCodeAlgorithm MAC)	Encrypt object
byte[]	getData()	Get data in the current state (encrypted or not, depends on what operations were executed with SecuredData)

Methods inherited from class java.lang.Object

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

Constructor Detail

SecuredData

public SecuredData(byte[] data)

Init SecuredData from bytes array

Parameters:

data - Data to encrypt

SecuredData

public SecuredData(java.io.File file)
            throws java.lang.Exception

Init SecuredData from file

Parameters:

file - File to read data from

Throws:

java.lang.Exception - Error during SecuredData creation

Method Detail

encrypt

public void encrypt(java.security.PublicKey aeaPublicKey,
                    java.security.PrivateKey dsaPrivateKey,
                    byte[] macSecretKey,
                    SymmetricEncryptionAlgorithm SEA,
                    AsymmetricEncryptionAlgorithm AEA,
                    DigitalSignatureAlgorithm DSA,
                    MessageAuthenticationCodeAlgorithm MAC)
             throws java.lang.Exception

Encrypt object

Parameters:

aeaPublicKey - Public key for asymmetric encryption algorithm

dsaPrivateKey - Private key for digital signature algorithm

macSecretKey - Secret key for message authentication code algorithm

SEA - Symmetric encryption algorithm

AEA - Asymmetric encryption algorithm

DSA - Digital signature algorithm

MAC - Message authentication code algorithm

Throws:

java.lang.Exception - Encryption error

decrypt

public void decrypt(java.security.PrivateKey aeaPrivateKey,
                    java.security.PublicKey dsaPublicKey,
                    byte[] macSecretKey)
             throws java.lang.Exception

Дешифрование объекта

Parameters:

aeaPrivateKey - Private key for asymmetric encryption algorithm

dsaPublicKey - Public key for digital signature algorithm

macSecretKey - Secret key for message authentication code algorithm

Throws:

java.lang.Exception - Decryption error

getData

public byte[] getData()

Get data in the current state (encrypted or not, depends on what operations were executed with SecuredData)

Returns:

data Data in the current state