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org.bouncycastle.pqc.crypto.xmss.DefaultXMSSMTOid Maven / Gradle / Ivy
package org.bouncycastle.pqc.crypto.xmss;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* XMSSOid^MT class.
*/
public final class DefaultXMSSMTOid
implements XMSSOid
{
/**
* XMSS^MT OID lookup table.
*/
private static final Map oidLookupTable;
static
{
Map map = new HashMap();
map.put(createKey("SHA-256", 32, 16, 67, 20, 2),
new DefaultXMSSMTOid(0x00000001, "XMSSMT_SHA2_20/2_256"));
map.put(createKey("SHA-256", 32, 16, 67, 20, 4),
new DefaultXMSSMTOid(0x00000002, "XMSSMT_SHA2_20/4_256"));
map.put(createKey("SHA-256", 32, 16, 67, 40, 2),
new DefaultXMSSMTOid(0x00000003, "XMSSMT_SHA2_40/2_256"));
map.put(createKey("SHA-256", 32, 16, 67, 40, 2),
new DefaultXMSSMTOid(0x00000004, "XMSSMT_SHA2_40/4_256"));
map.put(createKey("SHA-256", 32, 16, 67, 40, 4),
new DefaultXMSSMTOid(0x00000005, "XMSSMT_SHA2_40/8_256"));
map.put(createKey("SHA-256", 32, 16, 67, 60, 8),
new DefaultXMSSMTOid(0x00000006, "XMSSMT_SHA2_60/3_256"));
map.put(createKey("SHA-256", 32, 16, 67, 60, 6),
new DefaultXMSSMTOid(0x00000007, "XMSSMT_SHA2_60/6_256"));
map.put(createKey("SHA-256", 32, 16, 67, 60, 12),
new DefaultXMSSMTOid(0x00000008, "XMSSMT_SHA2_60/12_256"));
map.put(createKey("SHA-512", 64, 16, 131, 20, 2),
new DefaultXMSSMTOid(0x00000009, "XMSSMT_SHA2_20/2_512"));
map.put(createKey("SHA-512", 64, 16, 131, 20, 4),
new DefaultXMSSMTOid(0x0000000a, "XMSSMT_SHA2_20/4_512"));
map.put(createKey("SHA-512", 64, 16, 131, 40, 2),
new DefaultXMSSMTOid(0x0000000b, "XMSSMT_SHA2_40/2_512"));
map.put(createKey("SHA-512", 64, 16, 131, 40, 4),
new DefaultXMSSMTOid(0x0000000c, "XMSSMT_SHA2_40/4_512"));
map.put(createKey("SHA-512", 64, 16, 131, 40, 8),
new DefaultXMSSMTOid(0x0000000d, "XMSSMT_SHA2_40/8_512"));
map.put(createKey("SHA-512", 64, 16, 131, 60, 3),
new DefaultXMSSMTOid(0x0000000e, "XMSSMT_SHA2_60/3_512"));
map.put(createKey("SHA-512", 64, 16, 131, 60, 6),
new DefaultXMSSMTOid(0x0000000f, "XMSSMT_SHA2_60/6_512"));
map.put(createKey("SHA-512", 64, 16, 131, 60, 12),
new DefaultXMSSMTOid(0x00000010, "XMSSMT_SHA2_60/12_512"));
map.put(createKey("SHAKE128", 32, 16, 67, 20, 2),
new DefaultXMSSMTOid(0x00000011, "XMSSMT_SHAKE_20/2_256"));
map.put(createKey("SHAKE128", 32, 16, 67, 20, 4),
new DefaultXMSSMTOid(0x00000012, "XMSSMT_SHAKE_20/4_256"));
map.put(createKey("SHAKE128", 32, 16, 67, 40, 2),
new DefaultXMSSMTOid(0x00000013, "XMSSMT_SHAKE_40/2_256"));
map.put(createKey("SHAKE128", 32, 16, 67, 40, 4),
new DefaultXMSSMTOid(0x00000014, "XMSSMT_SHAKE_40/4_256"));
map.put(createKey("SHAKE128", 32, 16, 67, 40, 8),
new DefaultXMSSMTOid(0x00000015, "XMSSMT_SHAKE_40/8_256"));
map.put(createKey("SHAKE128", 32, 16, 67, 60, 3),
new DefaultXMSSMTOid(0x00000016, "XMSSMT_SHAKE_60/3_256"));
map.put(createKey("SHAKE128", 32, 16, 67, 60, 6),
new DefaultXMSSMTOid(0x00000017, "XMSSMT_SHAKE_60/6_256"));
map.put(createKey("SHAKE128", 32, 16, 67, 60, 12),
new DefaultXMSSMTOid(0x00000018, "XMSSMT_SHAKE_60/12_256"));
map.put(createKey("SHAKE256", 64, 16, 131, 20, 2),
new DefaultXMSSMTOid(0x00000019, "XMSSMT_SHAKE_20/2_512"));
map.put(createKey("SHAKE256", 64, 16, 131, 20, 4),
new DefaultXMSSMTOid(0x0000001a, "XMSSMT_SHAKE_20/4_512"));
map.put(createKey("SHAKE256", 64, 16, 131, 40, 2),
new DefaultXMSSMTOid(0x0000001b, "XMSSMT_SHAKE_40/2_512"));
map.put(createKey("SHAKE256", 64, 16, 131, 40, 4),
new DefaultXMSSMTOid(0x0000001c, "XMSSMT_SHAKE_40/4_512"));
map.put(createKey("SHAKE256", 64, 16, 131, 40, 8),
new DefaultXMSSMTOid(0x0000001d, "XMSSMT_SHAKE_40/8_512"));
map.put(createKey("SHAKE256", 64, 16, 131, 60, 3),
new DefaultXMSSMTOid(0x0000001e, "XMSSMT_SHAKE_60/3_512"));
map.put(createKey("SHAKE256", 64, 16, 131, 60, 6),
new DefaultXMSSMTOid(0x0000001f, "XMSSMT_SHAKE_60/6_512"));
map.put(createKey("SHAKE256", 64, 16, 131, 60, 12),
new DefaultXMSSMTOid(0x00000020, "XMSSMT_SHAKE_60/12_512"));
oidLookupTable = Collections.unmodifiableMap(map);
}
/**
* OID.
*/
private final int oid;
/**
* String representation of OID.
*/
private final String stringRepresentation;
/**
* Constructor...
*
* @param oid OID.
* @param stringRepresentation String representation of OID.
*/
private DefaultXMSSMTOid(int oid, String stringRepresentation)
{
super();
this.oid = oid;
this.stringRepresentation = stringRepresentation;
}
/**
* Lookup OID.
*
* @param algorithmName Algorithm name.
* @param winternitzParameter Winternitz parameter.
* @param height Binary tree height.
* @return XMSS OID if parameters were found, null else.
*/
public static DefaultXMSSMTOid lookup(String algorithmName, int digestSize, int winternitzParameter, int len,
int height, int layers)
{
if (algorithmName == null)
{
throw new NullPointerException("algorithmName == null");
}
return oidLookupTable.get(createKey(algorithmName, digestSize, winternitzParameter, len, height, layers));
}
/**
* Create a key based on parameters.
*
* @param algorithmName Algorithm name.
* @param winternitzParameter Winternitz Parameter.
* @param height Binary tree height.
* @return String representation of parameters for lookup table.
*/
private static String createKey(String algorithmName, int digestSize, int winternitzParameter, int len, int height,
int layers)
{
if (algorithmName == null)
{
throw new NullPointerException("algorithmName == null");
}
return algorithmName + "-" + digestSize + "-" + winternitzParameter + "-" + len + "-" + height + "-" + layers;
}
/**
* Getter OID.
*
* @return OID.
*/
public int getOid()
{
return oid;
}
public String toString()
{
return stringRepresentation;
}
}
