org.spongycastle.asn1.cms

Class GCMParameters

java.lang.Object

org.spongycastle.asn1.ASN1Object

org.spongycastle.asn1.cms.GCMParameters

All Implemented Interfaces:

ASN1Encodable, Encodable

public class GCMParameters
extends ASN1Object

RFC 5084: GCMParameters object.

 GCMParameters ::= SEQUENCE {
   aes-nonce        OCTET STRING, -- recommended size is 12 octets
   aes-ICVlen       AES-GCM-ICVlen DEFAULT 12 }
 

Constructor Summary

Constructors

Constructor and Description
GCMParameters(byte[] nonce, int icvLen)

Method Summary

Modifier and Type	Method and Description
int	getIcvLen()
static GCMParameters	getInstance(java.lang.Object obj) Return an GCMParameters object from the given object.
byte[]	getNonce()
ASN1Primitive	toASN1Primitive() Method providing a primitive representation of this object suitable for encoding.

Methods inherited from class org.spongycastle.asn1.ASN1Object

equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode, toASN1Object

Methods inherited from class java.lang.Object

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

Constructor Detail

GCMParameters

public GCMParameters(byte[] nonce,
                     int icvLen)

Method Detail

getInstance

public static GCMParameters getInstance(java.lang.Object obj)

Return an GCMParameters object from the given object.

Accepted inputs:

• null → null
• GCMParameters object
• ASN1Sequence input formats with GCMParameters structure inside

Parameters:

obj - the object we want converted.

Throws:

java.lang.IllegalArgumentException - if the object cannot be converted.

getNonce

public byte[] getNonce()

getIcvLen

public int getIcvLen()

toASN1Primitive

public ASN1Primitive toASN1Primitive()

Description copied from class: ASN1Object

Method providing a primitive representation of this object suitable for encoding.

Specified by:

toASN1Primitive in interface ASN1Encodable

Specified by:

toASN1Primitive in class ASN1Object

Returns:

a primitive representation of this object.