Package com.google.crypto.tink.hybrid.subtle

Class RsaKemHybridEncrypt

java.lang.Object

com.google.crypto.tink.hybrid.subtle.RsaKemHybridEncrypt

All Implemented Interfaces:

HybridEncrypt

public final class RsaKemHybridEncrypt
extends java.lang.Object
implements HybridEncrypt

Hybrid encryption with RSA-KEM as defined in Shoup's ISO standard proposal as KEM, and AEAD as DEM and HKDF as KDF.

Shoup's ISO standard proposal is available at https://www.shoup.net/iso/std6.pdf.

Constructor Summary

Constructors

Constructor	Description
RsaKemHybridEncrypt(java.security.interfaces.RSAPublicKey recipientPublicKey, java.lang.String hkdfHmacAlgo, byte[] hkdfSalt, AeadFactory aeadFactory)

Method Summary

Modifier and Type	Method	Description
byte[]	encrypt(byte[] plaintext, byte[] contextInfo)	Encryption operation: encrypts plaintext binding contextInfo to the resulting ciphertext.

Methods inherited from class java.lang.Object

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

Constructor Detail

RsaKemHybridEncrypt

public RsaKemHybridEncrypt(java.security.interfaces.RSAPublicKey recipientPublicKey,
                           java.lang.String hkdfHmacAlgo,
                           byte[] hkdfSalt,
                           AeadFactory aeadFactory)
                    throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

Method Detail

encrypt

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

Description copied from interface: HybridEncrypt

Encryption operation: encrypts plaintext binding contextInfo to the resulting ciphertext.

Specified by:

encrypt in interface HybridEncrypt

Returns:

resulting ciphertext

Throws:

java.security.GeneralSecurityException