org.spongycastle.asn1.x9

Class OtherInfo

java.lang.Object

org.spongycastle.asn1.ASN1Object

org.spongycastle.asn1.x9.OtherInfo

All Implemented Interfaces:

ASN1Encodable, Encodable

public class OtherInfo
extends ASN1Object

ASN.1 def for Diffie-Hellman key exchange OtherInfo structure. See RFC 2631, or X9.42, for further details.

  OtherInfo ::= SEQUENCE {
      keyInfo KeySpecificInfo,
      partyAInfo [0] OCTET STRING OPTIONAL,
      suppPubInfo [2] OCTET STRING
  }
 

Constructor Summary

Constructors

Constructor and Description
OtherInfo(KeySpecificInfo keyInfo, ASN1OctetString partyAInfo, ASN1OctetString suppPubInfo)

Method Summary

Modifier and Type	Method and Description
static OtherInfo	getInstance(java.lang.Object obj) Return a OtherInfo object from the passed in object.
KeySpecificInfo	getKeyInfo() Return the key specific info for the KEK/CEK.
ASN1OctetString	getPartyAInfo() PartyA info for key deriviation.
ASN1OctetString	getSuppPubInfo() The length of the KEK to be generated as a 4 byte big endian.
ASN1Primitive	toASN1Primitive() Return an ASN.1 primitive representation of this object.

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

OtherInfo

public OtherInfo(KeySpecificInfo keyInfo,
                 ASN1OctetString partyAInfo,
                 ASN1OctetString suppPubInfo)

Method Detail

getInstance

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

Return a OtherInfo object from the passed in object.

Parameters:

obj - an object for conversion or a byte[].

Returns:

a OtherInfo

getKeyInfo

public KeySpecificInfo getKeyInfo()

Return the key specific info for the KEK/CEK.

Returns:

the key specific info.

getPartyAInfo

public ASN1OctetString getPartyAInfo()

PartyA info for key deriviation.

Returns:

PartyA info.

getSuppPubInfo

public ASN1OctetString getSuppPubInfo()

The length of the KEK to be generated as a 4 byte big endian.

Returns:

KEK length as a 4 byte big endian in an octet string.

toASN1Primitive

public ASN1Primitive toASN1Primitive()

Return an ASN.1 primitive representation of this object.

Specified by:

toASN1Primitive in interface ASN1Encodable

Specified by:

toASN1Primitive in class ASN1Object

Returns:

a DERSequence containing the OtherInfo values.