Package org.rootservices.jwt.jwe.factory

Class CipherSymmetricFactory

java.lang.Object

org.rootservices.jwt.jwe.factory.CipherSymmetricFactory

public class CipherSymmetricFactory
extends java.lang.Object

AES-GCM https://wiki.sei.cmu.edu/confluence/display/java/MSC61-J.+Do+not+use+insecure+or+weak+cryptographic+algorithms https://gist.github.com/praseodym/f2499b3e14d872fe5b4a OAEP https://stackoverflow.com/questions/32161720/breaking-down-rsa-ecb-oaepwithsha-256andmgf1padding https://docs.oracle.com/javase/9/docs/api/javax/crypto/spec/OAEPParameterSpec.html https://docs.oracle.com/cd/E23943_01/security.1111/e10037/crypto.htm#BJFCICAE https://docs.oracle.com/javase/9/docs/api/javax/crypto/spec/OAEPParameterSpec.html https://security.stackexchange.com/questions/97548/breaking-down-rsa-ecb-oaepwithsha-256andmgf1padding

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	ALGORITHM_WAS_INVALID
static java.lang.String	ALGORITHM_WAS_INVALID_INIT_CIPHER
static int	GCM_IV_LENGTH
static int	GCM_TAG_LENGTH
static java.lang.String	KEY_WAS_INVALID_INIT_CIPHER
static java.lang.String	PADDING_WAS_INVALID

Constructor Summary

Constructors

Constructor	Description
CipherSymmetricFactory()

Method Summary

Modifier and Type	Method	Description
javax.crypto.Cipher	forDecrypt(Transformation transformation, byte[] cek, byte[] initVector, byte[] aad)
javax.crypto.Cipher	forDecrypt(Transformation transformation, java.security.Key key, byte[] initVector, byte[] aad)
javax.crypto.Cipher	forEncrypt(Transformation transformation, java.security.Key key, byte[] aad)
protected javax.crypto.Cipher	makeCipher(Transformation transformation, java.security.Key key, int mode, java.security.spec.AlgorithmParameterSpec spec, byte[] aad)
byte[]	makeInitVector()
protected java.security.spec.AlgorithmParameterSpec	makeSpec(Transformation transformation, byte[] initVector)

Methods inherited from class java.lang.Object

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

Field Detail

GCM_TAG_LENGTH

public static final int GCM_TAG_LENGTH

See Also:

Constant Field Values

GCM_IV_LENGTH

public static final int GCM_IV_LENGTH

See Also:

Constant Field Values

ALGORITHM_WAS_INVALID

public static final java.lang.String ALGORITHM_WAS_INVALID

See Also:

Constant Field Values

PADDING_WAS_INVALID

public static final java.lang.String PADDING_WAS_INVALID

See Also:

Constant Field Values

KEY_WAS_INVALID_INIT_CIPHER

public static final java.lang.String KEY_WAS_INVALID_INIT_CIPHER

See Also:

Constant Field Values

ALGORITHM_WAS_INVALID_INIT_CIPHER

public static final java.lang.String ALGORITHM_WAS_INVALID_INIT_CIPHER

See Also:

Constant Field Values

Constructor Detail

CipherSymmetricFactory

public CipherSymmetricFactory()

Method Detail

forEncrypt

public javax.crypto.Cipher forEncrypt(Transformation transformation,
                                      java.security.Key key,
                                      byte[] aad)
                               throws CipherException

Throws:

CipherException

forDecrypt

public javax.crypto.Cipher forDecrypt(Transformation transformation,
                                      java.security.Key key,
                                      byte[] initVector,
                                      byte[] aad)
                               throws CipherException

Throws:

CipherException

forDecrypt

public javax.crypto.Cipher forDecrypt(Transformation transformation,
                                      byte[] cek,
                                      byte[] initVector,
                                      byte[] aad)
                               throws CipherException

Throws:

CipherException

makeInitVector

public byte[] makeInitVector()

makeSpec

protected java.security.spec.AlgorithmParameterSpec makeSpec(Transformation transformation,
                                                             byte[] initVector)

makeCipher

protected javax.crypto.Cipher makeCipher(Transformation transformation,
                                         java.security.Key key,
                                         int mode,
                                         java.security.spec.AlgorithmParameterSpec spec,
                                         byte[] aad)
                                  throws CipherException

Throws:

CipherException