com.google.crypto.tink.aead.subtle

Class AesGcmFactory

java.lang.Object

com.google.crypto.tink.aead.subtle.AesGcmFactory

All Implemented Interfaces:

AeadFactory

@Immutable
public final class AesGcmFactory
extends Object
implements AeadFactory

An AeadFactory that creates new instances of AES-GCM from raw keys

Constructor Summary

Constructors

Constructor and Description
AesGcmFactory(int keySizeInBytes)

Method Summary

Modifier and Type	Method and Description
Aead	createAead(byte[] symmetricKey) Creates a new Aead-primitive that uses the key material given in symmetricKey, which must be of length AeadFactory.getKeySizeInBytes().
int	getKeySizeInBytes() Returns the size of the AEAD key in bytes.

Methods inherited from class java.lang.Object

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

Constructor Detail

AesGcmFactory

public AesGcmFactory(int keySizeInBytes)
              throws GeneralSecurityException

Throws:

GeneralSecurityException

Method Detail

getKeySizeInBytes

public int getKeySizeInBytes()

Description copied from interface: AeadFactory

Returns the size of the AEAD key in bytes.

Specified by:

getKeySizeInBytes in interface AeadFactory

createAead

public Aead createAead(byte[] symmetricKey)
                throws GeneralSecurityException

Description copied from interface: AeadFactory

Creates a new Aead-primitive that uses the key material given in symmetricKey, which must be of length AeadFactory.getKeySizeInBytes().

Specified by:

createAead in interface AeadFactory

Returns:

the newly created Aead-primitive.

Throws:

GeneralSecurityException