Class KeyAgreeRecipientInfo

  • All Implemented Interfaces:
    ASN1Encodable, Encodable

    public class KeyAgreeRecipientInfo
    extends ASN1Object
    RFC 5652: Content encryption key delivery mechanisms.

     KeyAgreeRecipientInfo ::= SEQUENCE {
         version CMSVersion,  -- always set to 3
         originator [0] EXPLICIT OriginatorIdentifierOrKey,
         ukm [1] EXPLICIT UserKeyingMaterial OPTIONAL,
         keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,
         recipientEncryptedKeys RecipientEncryptedKeys 
     }
    
     UserKeyingMaterial ::= OCTET STRING
     
    • Method Detail

      • getInstance

        public static KeyAgreeRecipientInfo getInstance​(ASN1TaggedObject obj,
                                                        boolean explicit)
        Return a KeyAgreeRecipientInfo object from a tagged object.
        Parameters:
        obj - the tagged object holding the object we want.
        explicit - true if the object is meant to be explicitly tagged false otherwise.
        Throws:
        java.lang.IllegalArgumentException - if the object held by the tagged object cannot be converted.
      • getInstance

        public static KeyAgreeRecipientInfo getInstance​(java.lang.Object obj)
        Return a KeyAgreeRecipientInfo object from the given object.

        Accepted inputs:

        Parameters:
        obj - the object we want converted.
        Throws:
        java.lang.IllegalArgumentException - if the object cannot be converted.
      • getRecipientEncryptedKeys

        public ASN1Sequence getRecipientEncryptedKeys()