Class COSEEncrypt0

java.lang.Object

com.authlete.cbor.CBORItem

com.authlete.cbor.CBORItemList

com.authlete.cose.COSEObject

com.authlete.cose.COSEMessage

com.authlete.cose.COSEEncrypt0

public class COSEEncrypt0
extends COSEMessage

COSE_Encrypt0

COSE_Encrypt0 is defined in 5.2. Single Recipient Encrypted of RFC 9052 as follows.

 COSE_Encrypt0 = [
     Headers,
     ciphertext : bstr / nil,
 ]
 

Since:

1.1

See Also:

• RFC 9052, 5.2. Single Recipient Encrypted

Constructor Summary

Constructors

Constructor	Description
COSEEncrypt0(COSEProtectedHeader protectedHeader, COSEUnprotectedHeader unprotectedHeader, CBORItem ciphertext)	A constructor with a protected header, an unprotected header and a cipher text.

Method Summary

Modifier and Type	Method	Description
static COSEEncrypt0	build(CBORItem item)	Build a COSEEncrypt0 instance from the given CBOR data item.
static COSEEncrypt0	build(List<Object> list)	Build a COSEEncrypt0 instance from the given object list.
CBORItem	getCiphertext()	Get the cipher text.

Methods inherited from class com.authlete.cose.COSEMessage

getTagged, getTagNumber, getType

Methods inherited from class com.authlete.cose.COSEObject

getProtectedHeader, getUnprotectedHeader

Methods inherited from class com.authlete.cbor.CBORItemList

encode, getItems, parse, prettify, toString

Methods inherited from class com.authlete.cbor.CBORItem

encode, encodeMajorWithNumber, encodeToBase64, encodeToBase64Url, encodeToHex, getComment, prettify, setComment, toString

Methods inherited from class java.lang.Object

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

Constructor Details

COSEEncrypt0

public COSEEncrypt0(COSEProtectedHeader protectedHeader,
 COSEUnprotectedHeader unprotectedHeader,
 CBORItem ciphertext)

A constructor with a protected header, an unprotected header and a cipher text.

Parameters:

protectedHeader - A protected header. Must not be null.

unprotectedHeader - An unprotected header. Must not be null.

ciphertext - A cipher text. Must be either CBORByteArray or CBORNull.

Method Details

getCiphertext

public CBORItem getCiphertext()

Get the cipher text.

The type of the value is CBORByteArray or CBORNull.

Returns:

The cipher text.

build

public static COSEEncrypt0 build(CBORItem item)
                          throws COSEException

Build a COSEEncrypt0 instance from the given CBOR data item. The data item must be a CBOR array.

Parameters:

item - A CBOR data item that represents COSE_Encrypt0.

Returns:

A COSEEncrypt0 instance built from the given CBOR data item.

Throws:

COSEException

build

public static COSEEncrypt0 build(List<Object> list)
                          throws COSEException

Build a COSEEncrypt0 instance from the given object list.

Parameters:

list - A object list that represents COSE_Encrypt0.

Returns:

A COSEEncrypt0 instance built from the given object list.

Throws:

COSEException