Package tv.hd3g.authkit.mod.service

Class CipherServiceImpl

java.lang.Object

tv.hd3g.authkit.mod.service.CipherServiceImpl

All Implemented Interfaces:

CipherService

@Service
public class CipherServiceImpl
extends Object
implements CipherService

See https://proandroiddev.com/security-best-practices-symmetric-encryption-with-aes-in-java-7616beaaade9

Constructor Summary

Constructors

Constructor	Description
CipherServiceImpl(String base64secret, int ivSize, String transformation, int gCMParameterSpecLen)

Method Summary

Modifier and Type	Method	Description
static String	byteToString(byte[] b)
byte[]	cipherFromData(byte[] clearData)
byte[]	cipherFromString(String text)
String	computeSHA3FromString(String text)
Random	getSecureRandom()
byte[]	unCipherToData(byte[] rawData)
String	unCipherToString(byte[] rawData)

Methods inherited from class java.lang.Object

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

Constructor Detail

CipherServiceImpl

public CipherServiceImpl(@Value("${authkit.cipher_secret}")
                         String base64secret,
                         @Value("${authkit.cipher_ivsize:12}")
                         int ivSize,
                         @Value("${authkit.cipher_transformation:AES/GCM/NoPadding}")
                         String transformation,
                         @Value("${authkit.cipher_GCMParameterSpecLen:128}")
                         int gCMParameterSpecLen)
                  throws GeneralSecurityException

Throws:

GeneralSecurityException

Method Detail

getSecureRandom

public Random getSecureRandom()

Specified by:

getSecureRandom in interface CipherService

cipherFromData

public byte[] cipherFromData(byte[] clearData)

Specified by:

cipherFromData in interface CipherService

Parameters:

clearData - will be wipe after call.

unCipherToData

public byte[] unCipherToData(byte[] rawData)

Specified by:

unCipherToData in interface CipherService

cipherFromString

public byte[] cipherFromString(String text)

Specified by:

cipherFromString in interface CipherService

unCipherToString

public String unCipherToString(byte[] rawData)

Specified by:

unCipherToString in interface CipherService

byteToString

public static final String byteToString(byte[] b)

computeSHA3FromString

public String computeSHA3FromString(String text)

Specified by:

computeSHA3FromString in interface CipherService