package org.spongycastle.asn1.cms; import org.spongycastle.asn1.ASN1EncodableVector; import org.spongycastle.asn1.ASN1Object; import org.spongycastle.asn1.ASN1OctetString; import org.spongycastle.asn1.ASN1Primitive; import org.spongycastle.asn1.ASN1Sequence; import org.spongycastle.asn1.ASN1TaggedObject; import org.spongycastle.asn1.DERSequence; /** * RFC 5652: * Content encryption key delivery mechanisms. *
* RecipientEncryptedKey ::= SEQUENCE { * rid KeyAgreeRecipientIdentifier, * encryptedKey EncryptedKey * } **/ public class RecipientEncryptedKey extends ASN1Object { private KeyAgreeRecipientIdentifier identifier; private ASN1OctetString encryptedKey; private RecipientEncryptedKey( ASN1Sequence seq) { identifier = KeyAgreeRecipientIdentifier.getInstance(seq.getObjectAt(0)); encryptedKey = (ASN1OctetString)seq.getObjectAt(1); } /** * Return an RecipientEncryptedKey object from a tagged object. * * @param obj the tagged object holding the object we want. * @param explicit true if the object is meant to be explicitly * tagged false otherwise. * @exception IllegalArgumentException if the object held by the * tagged object cannot be converted. */ public static RecipientEncryptedKey getInstance( ASN1TaggedObject obj, boolean explicit) { return getInstance(ASN1Sequence.getInstance(obj, explicit)); } /** * Return a RecipientEncryptedKey object from the given object. *
* Accepted inputs: *