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/x9/KeySpecificInfo.java | |
parent | 5f714bd92fbd780d22406f4bc3681be005f6f04a (diff) |
initial reshuffle
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/x9/KeySpecificInfo.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/x9/KeySpecificInfo.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/x9/KeySpecificInfo.java b/core/src/main/java/org/bouncycastle/asn1/x9/KeySpecificInfo.java new file mode 100644 index 00000000..092716fe --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/x9/KeySpecificInfo.java @@ -0,0 +1,68 @@ +package org.bouncycastle.asn1.x9; + +import java.util.Enumeration; + +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1ObjectIdentifier; +import org.bouncycastle.asn1.ASN1OctetString; +import org.bouncycastle.asn1.ASN1Primitive; +import org.bouncycastle.asn1.ASN1Sequence; +import org.bouncycastle.asn1.DERSequence; + +/** + * ASN.1 def for Diffie-Hellman key exchange KeySpecificInfo structure. See + * RFC 2631, or X9.42, for further details. + */ +public class KeySpecificInfo + extends ASN1Object +{ + private ASN1ObjectIdentifier algorithm; + private ASN1OctetString counter; + + public KeySpecificInfo( + ASN1ObjectIdentifier algorithm, + ASN1OctetString counter) + { + this.algorithm = algorithm; + this.counter = counter; + } + + public KeySpecificInfo( + ASN1Sequence seq) + { + Enumeration e = seq.getObjects(); + + algorithm = (ASN1ObjectIdentifier)e.nextElement(); + counter = (ASN1OctetString)e.nextElement(); + } + + public ASN1ObjectIdentifier getAlgorithm() + { + return algorithm; + } + + public ASN1OctetString getCounter() + { + return counter; + } + + /** + * Produce an object suitable for an ASN1OutputStream. + * <pre> + * KeySpecificInfo ::= SEQUENCE { + * algorithm OBJECT IDENTIFIER, + * counter OCTET STRING SIZE (4..4) + * } + * </pre> + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(algorithm); + v.add(counter); + + return new DERSequence(v); + } +} |