com.google.crypto.tink.subtle

Class EciesAeadHkdfHybridEncrypt

java.lang.Object

com.google.crypto.tink.subtle.EciesAeadHkdfHybridEncrypt

All Implemented Interfaces:

HybridEncrypt

public final class EciesAeadHkdfHybridEncrypt
extends Object
implements HybridEncrypt

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

Since:

1.0.0

Constructor Summary

Constructors

Constructor and Description
EciesAeadHkdfHybridEncrypt(ECPublicKey recipientPublicKey, byte[] hkdfSalt, String hkdfHmacAlgo, EllipticCurves.PointFormatType ecPointFormat, EciesAeadHkdfDemHelper demHelper)

Method Summary

Modifier and Type	Method and Description
byte[]	encrypt(byte[] plaintext, byte[] contextInfo) Encrypts plaintext using contextInfo as info-parameter of the underlying HKDF.

Methods inherited from class java.lang.Object

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

Constructor Detail

EciesAeadHkdfHybridEncrypt

public EciesAeadHkdfHybridEncrypt(ECPublicKey recipientPublicKey,
                                  byte[] hkdfSalt,
                                  String hkdfHmacAlgo,
                                  EllipticCurves.PointFormatType ecPointFormat,
                                  EciesAeadHkdfDemHelper demHelper)
                           throws GeneralSecurityException

Throws:

GeneralSecurityException

Method Detail

encrypt

public byte[] encrypt(byte[] plaintext,
                      byte[] contextInfo)
               throws GeneralSecurityException

Encrypts plaintext using contextInfo as info-parameter of the underlying HKDF.

Specified by:

encrypt in interface HybridEncrypt

Returns:

resulting ciphertext.

Throws:

GeneralSecurityException