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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8 with debug enabled.
package org.bouncycastle.asn1.cryptopro;
import java.math.BigInteger;
import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
public class GOST3410ParamSetParameters
extends ASN1Object
{
int keySize;
ASN1Integer p, q, a;
public static GOST3410ParamSetParameters getInstance(
ASN1TaggedObject obj,
boolean explicit)
{
return getInstance(ASN1Sequence.getInstance(obj, explicit));
}
public static GOST3410ParamSetParameters getInstance(
Object obj)
{
if(obj == null || obj instanceof GOST3410ParamSetParameters)
{
return (GOST3410ParamSetParameters)obj;
}
if(obj instanceof ASN1Sequence)
{
return new GOST3410ParamSetParameters((ASN1Sequence)obj);
}
throw new IllegalArgumentException("Invalid GOST3410Parameter: " + obj.getClass().getName());
}
public GOST3410ParamSetParameters(
int keySize,
BigInteger p,
BigInteger q,
BigInteger a)
{
this.keySize = keySize;
this.p = new ASN1Integer(p);
this.q = new ASN1Integer(q);
this.a = new ASN1Integer(a);
}
public GOST3410ParamSetParameters(
ASN1Sequence seq)
{
Enumeration e = seq.getObjects();
keySize = ((ASN1Integer)e.nextElement()).getValue().intValue();
p = (ASN1Integer)e.nextElement();
q = (ASN1Integer)e.nextElement();
a = (ASN1Integer)e.nextElement();
}
/**
* @deprecated use getKeySize
*/
public int getLKeySize()
{
return keySize;
}
public int getKeySize()
{
return keySize;
}
public BigInteger getP()
{
return p.getPositiveValue();
}
public BigInteger getQ()
{
return q.getPositiveValue();
}
public BigInteger getA()
{
return a.getPositiveValue();
}
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new ASN1Integer(keySize));
v.add(p);
v.add(q);
v.add(a);
return new DERSequence(v);
}
}
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