diff options
author | David Hook <dgh@cryptoworkshop.com> | 2013-05-31 11:07:45 +0400 |
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committer | David Hook <dgh@cryptoworkshop.com> | 2013-05-31 11:07:45 +0400 |
commit | 2b976f5364cfdbc37d3086019d93483c983eb80b (patch) | |
tree | cb846af3fd1d43f9c2562a1fb2d06b997ad8f229 /core/src/main/java/org/bouncycastle/asn1/cms/RecipientEncryptedKey.java | |
parent | 5f714bd92fbd780d22406f4bc3681be005f6f04a (diff) |
initial reshuffle
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/cms/RecipientEncryptedKey.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/cms/RecipientEncryptedKey.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/cms/RecipientEncryptedKey.java b/core/src/main/java/org/bouncycastle/asn1/cms/RecipientEncryptedKey.java new file mode 100644 index 00000000..2f2a1732 --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/cms/RecipientEncryptedKey.java @@ -0,0 +1,99 @@ +package org.bouncycastle.asn1.cms; + +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1OctetString; +import org.bouncycastle.asn1.ASN1Primitive; +import org.bouncycastle.asn1.ASN1Sequence; +import org.bouncycastle.asn1.ASN1TaggedObject; +import org.bouncycastle.asn1.DERSequence; + + +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. + * + * @param obj the object we want converted. + * @exception IllegalArgumentException if the object cannot be converted. + */ + public static RecipientEncryptedKey getInstance( + Object obj) + { + if (obj == null || obj instanceof RecipientEncryptedKey) + { + return (RecipientEncryptedKey)obj; + } + + if (obj instanceof ASN1Sequence) + { + return new RecipientEncryptedKey((ASN1Sequence)obj); + } + + throw new IllegalArgumentException("Invalid RecipientEncryptedKey: " + obj.getClass().getName()); + } + + public RecipientEncryptedKey( + KeyAgreeRecipientIdentifier id, + ASN1OctetString encryptedKey) + { + this.identifier = id; + this.encryptedKey = encryptedKey; + } + + public KeyAgreeRecipientIdentifier getIdentifier() + { + return identifier; + } + + public ASN1OctetString getEncryptedKey() + { + return encryptedKey; + } + + /** + * Produce an object suitable for an ASN1OutputStream. + * <pre> + * RecipientEncryptedKey ::= SEQUENCE { + * rid KeyAgreeRecipientIdentifier, + * encryptedKey EncryptedKey + * } + * </pre> + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(identifier); + v.add(encryptedKey); + + return new DERSequence(v); + } +} |