1package org.bouncycastle.asn1.pkcs; 2 3import org.bouncycastle.asn1.ASN1Encodable; 4import org.bouncycastle.asn1.ASN1EncodableVector; 5import org.bouncycastle.asn1.ASN1Object; 6import org.bouncycastle.asn1.ASN1ObjectIdentifier; 7import org.bouncycastle.asn1.ASN1Primitive; 8import org.bouncycastle.asn1.ASN1Sequence; 9import org.bouncycastle.asn1.ASN1Set; 10import org.bouncycastle.asn1.ASN1TaggedObject; 11import org.bouncycastle.asn1.DLSequence; 12import org.bouncycastle.asn1.DLTaggedObject; 13 14public class SafeBag 15 extends ASN1Object 16{ 17 private ASN1ObjectIdentifier bagId; 18 private ASN1Encodable bagValue; 19 private ASN1Set bagAttributes; 20 21 public SafeBag( 22 ASN1ObjectIdentifier oid, 23 ASN1Encodable obj) 24 { 25 this.bagId = oid; 26 this.bagValue = obj; 27 this.bagAttributes = null; 28 } 29 30 public SafeBag( 31 ASN1ObjectIdentifier oid, 32 ASN1Encodable obj, 33 ASN1Set bagAttributes) 34 { 35 this.bagId = oid; 36 this.bagValue = obj; 37 this.bagAttributes = bagAttributes; 38 } 39 40 public static SafeBag getInstance( 41 Object obj) 42 { 43 if (obj instanceof SafeBag) 44 { 45 return (SafeBag)obj; 46 } 47 48 if (obj != null) 49 { 50 return new SafeBag(ASN1Sequence.getInstance(obj)); 51 } 52 53 return null; 54 } 55 56 private SafeBag( 57 ASN1Sequence seq) 58 { 59 this.bagId = (ASN1ObjectIdentifier)seq.getObjectAt(0); 60 this.bagValue = ((ASN1TaggedObject)seq.getObjectAt(1)).getObject(); 61 if (seq.size() == 3) 62 { 63 this.bagAttributes = (ASN1Set)seq.getObjectAt(2); 64 } 65 } 66 67 public ASN1ObjectIdentifier getBagId() 68 { 69 return bagId; 70 } 71 72 public ASN1Encodable getBagValue() 73 { 74 return bagValue; 75 } 76 77 public ASN1Set getBagAttributes() 78 { 79 return bagAttributes; 80 } 81 82 public ASN1Primitive toASN1Primitive() 83 { 84 ASN1EncodableVector v = new ASN1EncodableVector(); 85 86 v.add(bagId); 87 v.add(new DLTaggedObject(true, 0, bagValue)); 88 89 if (bagAttributes != null) 90 { 91 v.add(bagAttributes); 92 } 93 94 return new DLSequence(v); 95 } 96} 97