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/cryptopro/GOST28147Parameters.java | |
parent | 5f714bd92fbd780d22406f4bc3681be005f6f04a (diff) |
initial reshuffle
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/cryptopro/GOST28147Parameters.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/cryptopro/GOST28147Parameters.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/cryptopro/GOST28147Parameters.java b/core/src/main/java/org/bouncycastle/asn1/cryptopro/GOST28147Parameters.java new file mode 100644 index 00000000..a0459c19 --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/cryptopro/GOST28147Parameters.java @@ -0,0 +1,72 @@ +package org.bouncycastle.asn1.cryptopro; + +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.ASN1TaggedObject; +import org.bouncycastle.asn1.DERSequence; + +public class GOST28147Parameters + extends ASN1Object +{ + ASN1OctetString iv; + ASN1ObjectIdentifier paramSet; + + public static GOST28147Parameters getInstance( + ASN1TaggedObject obj, + boolean explicit) + { + return getInstance(ASN1Sequence.getInstance(obj, explicit)); + } + + public static GOST28147Parameters getInstance( + Object obj) + { + if(obj == null || obj instanceof GOST28147Parameters) + { + return (GOST28147Parameters)obj; + } + + if(obj instanceof ASN1Sequence) + { + return new GOST28147Parameters((ASN1Sequence)obj); + } + + throw new IllegalArgumentException("Invalid GOST3410Parameter: " + obj.getClass().getName()); + } + + public GOST28147Parameters( + ASN1Sequence seq) + { + Enumeration e = seq.getObjects(); + + iv = (ASN1OctetString)e.nextElement(); + paramSet = (ASN1ObjectIdentifier)e.nextElement(); + } + + /** + * <pre> + * Gost28147-89-Parameters ::= + * SEQUENCE { + * iv Gost28147-89-IV, + * encryptionParamSet OBJECT IDENTIFIER + * } + * + * Gost28147-89-IV ::= OCTET STRING (SIZE (8)) + * </pre> + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(iv); + v.add(paramSet); + + return new DERSequence(v); + } +} |