com.google.crypto.tink.subtle

Class EciesAeadHkdfHybridDecrypt

java.lang.Object

com.google.crypto.tink.subtle.EciesAeadHkdfHybridDecrypt

All Implemented Interfaces:

HybridDecrypt

public final class EciesAeadHkdfHybridDecrypt
extends Object
implements HybridDecrypt

ECIES encryption with HKDF-KEM (key encapsulation mechanism) and AEAD-DEM (data encapsulation mechanism).

Since:

1.0.0

Constructor Summary

Constructors

Constructor and Description
EciesAeadHkdfHybridDecrypt(ECPrivateKey recipientPrivateKey, byte[] hkdfSalt, String hkdfHmacAlgo, EllipticCurves.PointFormatType ecPointFormat, EciesAeadHkdfDemHelper demHelper)

Method Summary

Modifier and Type	Method and Description
byte[]	decrypt(byte[] ciphertext, byte[] contextInfo) Decryption operation: decrypts ciphertext verifying the integrity of contextInfo.

Methods inherited from class java.lang.Object

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

Constructor Detail

EciesAeadHkdfHybridDecrypt

public EciesAeadHkdfHybridDecrypt(ECPrivateKey recipientPrivateKey,
                                  byte[] hkdfSalt,
                                  String hkdfHmacAlgo,
                                  EllipticCurves.PointFormatType ecPointFormat,
                                  EciesAeadHkdfDemHelper demHelper)
                           throws GeneralSecurityException

Throws:

GeneralSecurityException

Method Detail

decrypt

public byte[] decrypt(byte[] ciphertext,
                      byte[] contextInfo)
               throws GeneralSecurityException

Description copied from interface: HybridDecrypt

Decryption operation: decrypts ciphertext verifying the integrity of contextInfo.

Specified by:

decrypt in interface HybridDecrypt

Returns:

resulting plaintext

Throws:

GeneralSecurityException