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This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar file.
package org.bouncycastle.pqc.crypto.xmss;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.util.Integers;
/**
* XMSS^MT Parameters.
*/
public final class XMSSMTParameters
{
private static final Map paramsLookupTable;
static
{
Map pMap = new HashMap();
pMap.put(Integers.valueOf(0x00000001), new XMSSMTParameters(20, 2, NISTObjectIdentifiers.id_sha256));
pMap.put(Integers.valueOf(0x00000002), new XMSSMTParameters(20, 4, NISTObjectIdentifiers.id_sha256));
pMap.put(Integers.valueOf(0x00000003), new XMSSMTParameters(40, 2, NISTObjectIdentifiers.id_sha256));
pMap.put(Integers.valueOf(0x00000004), new XMSSMTParameters(40, 4, NISTObjectIdentifiers.id_sha256));
pMap.put(Integers.valueOf(0x00000005), new XMSSMTParameters(40, 8, NISTObjectIdentifiers.id_sha256));
pMap.put(Integers.valueOf(0x00000006), new XMSSMTParameters(60, 3, NISTObjectIdentifiers.id_sha256));
pMap.put(Integers.valueOf(0x00000007), new XMSSMTParameters(60, 6, NISTObjectIdentifiers.id_sha256));
pMap.put(Integers.valueOf(0x00000008), new XMSSMTParameters(60, 12, NISTObjectIdentifiers.id_sha256));
pMap.put(Integers.valueOf(0x00000009), new XMSSMTParameters(20, 2, NISTObjectIdentifiers.id_sha512));
pMap.put(Integers.valueOf(0x0000000a), new XMSSMTParameters(20, 4, NISTObjectIdentifiers.id_sha512));
pMap.put(Integers.valueOf(0x0000000b), new XMSSMTParameters(40, 2, NISTObjectIdentifiers.id_sha512));
pMap.put(Integers.valueOf(0x0000000c), new XMSSMTParameters(40, 4, NISTObjectIdentifiers.id_sha512));
pMap.put(Integers.valueOf(0x0000000d), new XMSSMTParameters(40, 8, NISTObjectIdentifiers.id_sha512));
pMap.put(Integers.valueOf(0x0000000e), new XMSSMTParameters(60, 3, NISTObjectIdentifiers.id_sha512));
pMap.put(Integers.valueOf(0x0000000f), new XMSSMTParameters(60, 6, NISTObjectIdentifiers.id_sha512));
pMap.put(Integers.valueOf(0x00000010), new XMSSMTParameters(60, 12, NISTObjectIdentifiers.id_sha512));
pMap.put(Integers.valueOf(0x00000011), new XMSSMTParameters(20, 2, NISTObjectIdentifiers.id_shake128));
pMap.put(Integers.valueOf(0x00000012), new XMSSMTParameters(20, 4, NISTObjectIdentifiers.id_shake128));
pMap.put(Integers.valueOf(0x00000013), new XMSSMTParameters(40, 2, NISTObjectIdentifiers.id_shake128));
pMap.put(Integers.valueOf(0x00000014), new XMSSMTParameters(40, 4, NISTObjectIdentifiers.id_shake128));
pMap.put(Integers.valueOf(0x00000015), new XMSSMTParameters(40, 8, NISTObjectIdentifiers.id_shake128));
pMap.put(Integers.valueOf(0x00000016), new XMSSMTParameters(60, 3, NISTObjectIdentifiers.id_shake128));
pMap.put(Integers.valueOf(0x00000017), new XMSSMTParameters(60, 6, NISTObjectIdentifiers.id_shake128));
pMap.put(Integers.valueOf(0x00000018), new XMSSMTParameters(60, 12, NISTObjectIdentifiers.id_shake128));
pMap.put(Integers.valueOf(0x00000019), new XMSSMTParameters(20, 2, NISTObjectIdentifiers.id_shake256));
pMap.put(Integers.valueOf(0x0000001a), new XMSSMTParameters(20, 4, NISTObjectIdentifiers.id_shake256));
pMap.put(Integers.valueOf(0x0000001b), new XMSSMTParameters(40, 2, NISTObjectIdentifiers.id_shake256));
pMap.put(Integers.valueOf(0x0000001c), new XMSSMTParameters(40, 4, NISTObjectIdentifiers.id_shake256));
pMap.put(Integers.valueOf(0x0000001d), new XMSSMTParameters(40, 8, NISTObjectIdentifiers.id_shake256));
pMap.put(Integers.valueOf(0x0000001e), new XMSSMTParameters(60, 3, NISTObjectIdentifiers.id_shake256));
pMap.put(Integers.valueOf(0x0000001f), new XMSSMTParameters(60, 6, NISTObjectIdentifiers.id_shake256));
pMap.put(Integers.valueOf(0x00000020), new XMSSMTParameters(60, 12, NISTObjectIdentifiers.id_shake256));
paramsLookupTable = Collections.unmodifiableMap(pMap);
}
private final XMSSOid oid;
private final XMSSParameters xmssParams;
private final int height;
private final int layers;
/**
* XMSSMT constructor...
*
* @param height Height of tree.
* @param layers Amount of layers.
* @param digest Digest to use.
*/
public XMSSMTParameters(int height, int layers, Digest digest)
{
this(height, layers, DigestUtil.getDigestOID(digest.getAlgorithmName()));
}
/**
* XMSSMT constructor...
*
* @param height Height of tree.
* @param layers Amount of layers.
* @param digestOID Object identifier of digest to use.
*/
public XMSSMTParameters(int height, int layers, ASN1ObjectIdentifier digestOID)
{
super();
this.height = height;
this.layers = layers;
this.xmssParams = new XMSSParameters(xmssTreeHeight(height, layers), digestOID);
oid = DefaultXMSSMTOid.lookup(getTreeDigest(), getTreeDigestSize(), getWinternitzParameter(),
getLen(), getHeight(), layers);
/*
* if (oid == null) { throw new InvalidParameterException(); }
*/
}
private static int xmssTreeHeight(int height, int layers)
throws IllegalArgumentException
{
if (height < 2)
{
throw new IllegalArgumentException("totalHeight must be > 1");
}
if (height % layers != 0)
{
throw new IllegalArgumentException("layers must divide totalHeight without remainder");
}
if (height / layers == 1)
{
throw new IllegalArgumentException("height / layers must be greater than 1");
}
return height / layers;
}
/**
* Getter height.
*
* @return XMSSMT height.
*/
public int getHeight()
{
return height;
}
/**
* Getter layers.
*
* @return XMSSMT layers.
*/
public int getLayers()
{
return layers;
}
protected XMSSParameters getXMSSParameters()
{
return xmssParams;
}
protected WOTSPlus getWOTSPlus()
{
return xmssParams.getWOTSPlus();
}
protected String getTreeDigest()
{
return xmssParams.getTreeDigest();
}
/**
* Getter digest size.
*
* @return Digest size.
*/
public int getTreeDigestSize()
{
return xmssParams.getTreeDigestSize();
}
/**
* Return the tree digest OID.
*
* @return OID for digest used to build the tree.
*/
public ASN1ObjectIdentifier getTreeDigestOID()
{
return xmssParams.getTreeDigestOID();
}
/**
* Getter Winternitz parameter.
*
* @return Winternitz parameter.
*/
int getWinternitzParameter()
{
return xmssParams.getWinternitzParameter();
}
protected int getLen()
{
return xmssParams.getLen();
}
protected XMSSOid getOid()
{
return oid;
}
public static XMSSMTParameters lookupByOID(int oid)
{
return paramsLookupTable.get(Integers.valueOf(oid));
}
}