Package de.gematik.rbellogger.util

Class CryptoUtils

java.lang.Object

de.gematik.rbellogger.util.CryptoUtils

public class CryptoUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static int	GCM_IV_LENGTH_IN_BYTES
static int	GCM_TAG_LENGTH_IN_BYTES

Method Summary

Modifier and Type	Method	Description
static java.util.Optional<byte[]>	decrypt(byte[] encMessage, java.security.Key secretKey)
static java.util.Optional<byte[]>	decrypt(byte[] encMessage, java.security.Key secretKey, int gcmIvLengthInBytes, int gcmTagLengthInBytes)
static byte[]	ecka(java.security.PrivateKey prk, java.security.PublicKey puk)
static byte[]	hkdf(byte[] ikm, byte[] info, int lengthInBytes)
static byte[]	hkdf(byte[] ikm, java.lang.String info, int lengthInBytes)

Methods inherited from class java.lang.Object

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

Field Detail

GCM_IV_LENGTH_IN_BYTES

public static final int GCM_IV_LENGTH_IN_BYTES

See Also:

Constant Field Values

GCM_TAG_LENGTH_IN_BYTES

public static final int GCM_TAG_LENGTH_IN_BYTES

See Also:

Constant Field Values

Method Detail

ecka

public static byte[] ecka(java.security.PrivateKey prk,
                          java.security.PublicKey puk)
                   throws java.security.NoSuchAlgorithmException,
                          java.security.NoSuchProviderException,
                          java.security.InvalidKeyException

Throws:

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

java.security.InvalidKeyException

hkdf

public static byte[] hkdf(byte[] ikm,
                          java.lang.String info,
                          int lengthInBytes)
                   throws java.lang.IllegalArgumentException,
                          org.bouncycastle.crypto.DataLengthException

Throws:

java.lang.IllegalArgumentException

org.bouncycastle.crypto.DataLengthException

hkdf

public static byte[] hkdf(byte[] ikm,
                          byte[] info,
                          int lengthInBytes)
                   throws java.lang.IllegalArgumentException,
                          org.bouncycastle.crypto.DataLengthException

Throws:

java.lang.IllegalArgumentException

org.bouncycastle.crypto.DataLengthException

decrypt

public static java.util.Optional<byte[]> decrypt(byte[] encMessage,
                                                 java.security.Key secretKey)

decrypt

public static java.util.Optional<byte[]> decrypt(byte[] encMessage,
                                                 java.security.Key secretKey,
                                                 int gcmIvLengthInBytes,
                                                 int gcmTagLengthInBytes)