org.bouncycastle.pqc.crypto.xmss.DefaultXMSSOid Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of bcprov-ext-debug-jdk15on Show documentation
Show all versions of bcprov-ext-debug-jdk15on Show documentation
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.pqc.crypto.xmss;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* XMSSOid class.
*
*/
public final class DefaultXMSSOid implements XMSSOid {
/**
* XMSS OID lookup table.
*/
private static final Map oidLookupTable;
static {
Map map = new HashMap();
map.put(createKey("SHA-256", 32, 16, 67, 10), new DefaultXMSSOid(0x01000001, "XMSS_SHA2-256_W16_H10"));
map.put(createKey("SHA-256", 32, 16, 67, 16), new DefaultXMSSOid(0x02000002, "XMSS_SHA2-256_W16_H16"));
map.put(createKey("SHA-256", 32, 16, 67, 20), new DefaultXMSSOid(0x03000003, "XMSS_SHA2-256_W16_H20"));
map.put(createKey("SHA-512", 64, 16, 131, 10), new DefaultXMSSOid(0x04000004, "XMSS_SHA2-512_W16_H10"));
map.put(createKey("SHA-512", 64, 16, 131, 16), new DefaultXMSSOid(0x05000005, "XMSS_SHA2-512_W16_H16"));
map.put(createKey("SHA-512", 64, 16, 131, 20), new DefaultXMSSOid(0x06000006, "XMSS_SHA2-512_W16_H20"));
map.put(createKey("SHAKE128", 32, 16, 67, 10), new DefaultXMSSOid(0x07000007, "XMSS_SHAKE128_W16_H10"));
map.put(createKey("SHAKE128", 32, 16, 67, 16), new DefaultXMSSOid(0x08000008, "XMSS_SHAKE128_W16_H16"));
map.put(createKey("SHAKE128", 32, 16, 67, 20), new DefaultXMSSOid(0x09000009, "XMSS_SHAKE128_W16_H20"));
map.put(createKey("SHAKE256", 64, 16, 131, 10), new DefaultXMSSOid(0x0a00000a, "XMSS_SHAKE256_W16_H10"));
map.put(createKey("SHAKE256", 64, 16, 131, 16), new DefaultXMSSOid(0x0b00000b, "XMSS_SHAKE256_W16_H16"));
map.put(createKey("SHAKE256", 64, 16, 131, 20), new DefaultXMSSOid(0x0c00000c, "XMSS_SHAKE256_W16_H20"));
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 DefaultXMSSOid(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 DefaultXMSSOid lookup(String algorithmName, int digestSize, int winternitzParameter, int len,
int height) {
if (algorithmName == null) {
throw new NullPointerException("algorithmName == null");
}
return oidLookupTable.get(createKey(algorithmName, digestSize, winternitzParameter, len, height));
}
/**
* 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) {
if (algorithmName == null) {
throw new NullPointerException("algorithmName == null");
}
return algorithmName + "-" + digestSize + "-" + winternitzParameter + "-" + len + "-" + height;
}
/**
* Getter OID.
*
* @return OID.
*/
public int getOid() {
return oid;
}
@Override
public String toString() {
return stringRepresentation;
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy