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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 1.8 and up. Note: this package includes the NTRU encryption algorithms.
package org.bouncycastle.pqc.crypto.sphincsplus;
import java.util.HashMap;
import java.util.Map;
import org.bouncycastle.util.Integers;
import org.bouncycastle.util.Pack;
public class SPHINCSPlusParameters
{
// SHA-2
public static final SPHINCSPlusParameters sha2_128f = new SPHINCSPlusParameters(
Integers.valueOf(0x010101), "sha2-128f-robust", new Sha2EngineProvider(true, 16, 16, 22, 6, 33, 66));
public static final SPHINCSPlusParameters sha2_128s = new SPHINCSPlusParameters(
Integers.valueOf(0x010102), "sha2-128s-robust", new Sha2EngineProvider(true, 16, 16, 7, 12, 14, 63));
public static final SPHINCSPlusParameters sha2_192f = new SPHINCSPlusParameters(
Integers.valueOf(0x010103), "sha2-192f-robust", new Sha2EngineProvider(true, 24, 16, 22, 8, 33, 66));
public static final SPHINCSPlusParameters sha2_192s = new SPHINCSPlusParameters(
Integers.valueOf(0x010104), "sha2-192s-robust", new Sha2EngineProvider(true, 24, 16, 7, 14, 17, 63));
public static final SPHINCSPlusParameters sha2_256f = new SPHINCSPlusParameters(
Integers.valueOf(0x010105), "sha2-256f-robust", new Sha2EngineProvider(true, 32, 16, 17, 9, 35, 68));
public static final SPHINCSPlusParameters sha2_256s = new SPHINCSPlusParameters(
Integers.valueOf(0x010106), "sha2-256s-robust", new Sha2EngineProvider(true, 32, 16, 8, 14, 22, 64));
public static final SPHINCSPlusParameters sha2_128f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x010201), "sha2-128f-simple", new Sha2EngineProvider(false, 16, 16, 22, 6, 33, 66));
public static final SPHINCSPlusParameters sha2_128s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x010202), "sha2-128s-simple", new Sha2EngineProvider(false, 16, 16, 7, 12, 14, 63));
public static final SPHINCSPlusParameters sha2_192f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x010203), "sha2-192f-simple", new Sha2EngineProvider(false, 24, 16, 22, 8, 33, 66));
public static final SPHINCSPlusParameters sha2_192s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x010204), "sha2-192s-simple", new Sha2EngineProvider(false, 24, 16, 7, 14, 17, 63));
public static final SPHINCSPlusParameters sha2_256f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x010205), "sha2-256f-simple", new Sha2EngineProvider(false, 32, 16, 17, 9, 35, 68));
public static final SPHINCSPlusParameters sha2_256s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x010206), "sha2-256s-simple", new Sha2EngineProvider(false, 32, 16, 8, 14, 22, 64));
// SHAKE-256.
public static final SPHINCSPlusParameters shake_128f = new SPHINCSPlusParameters(
Integers.valueOf(0x020101), "shake-128f-robust", new Shake256EngineProvider(true, 16, 16, 22, 6, 33, 66));
public static final SPHINCSPlusParameters shake_128s = new SPHINCSPlusParameters(
Integers.valueOf(0x020102), "shake-128s-robust", new Shake256EngineProvider(true, 16, 16, 7, 12, 14, 63));
public static final SPHINCSPlusParameters shake_192f = new SPHINCSPlusParameters(
Integers.valueOf(0x020103), "shake-192f-robust", new Shake256EngineProvider(true, 24, 16, 22, 8, 33, 66));
public static final SPHINCSPlusParameters shake_192s = new SPHINCSPlusParameters(
Integers.valueOf(0x020104), "shake-192s-robust", new Shake256EngineProvider(true, 24, 16, 7, 14, 17, 63));
public static final SPHINCSPlusParameters shake_256f = new SPHINCSPlusParameters(
Integers.valueOf(0x020105), "shake-256f-robust", new Shake256EngineProvider(true, 32, 16, 17, 9, 35, 68));
public static final SPHINCSPlusParameters shake_256s = new SPHINCSPlusParameters(
Integers.valueOf(0x020106), "shake-256s-robust", new Shake256EngineProvider(true, 32, 16, 8, 14, 22, 64));
public static final SPHINCSPlusParameters shake_128f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x020201), "shake-128f-simple", new Shake256EngineProvider(false, 16, 16, 22, 6, 33, 66));
public static final SPHINCSPlusParameters shake_128s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x020202), "shake-128s-simple", new Shake256EngineProvider(false, 16, 16, 7, 12, 14, 63));
public static final SPHINCSPlusParameters shake_192f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x020203), "shake-192f-simple", new Shake256EngineProvider(false, 24, 16, 22, 8, 33, 66));
public static final SPHINCSPlusParameters shake_192s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x020204), "shake-192s-simple", new Shake256EngineProvider(false, 24, 16, 7, 14, 17, 63));
public static final SPHINCSPlusParameters shake_256f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x020205), "shake-256f-simple", new Shake256EngineProvider(false, 32, 16, 17, 9, 35, 68));
public static final SPHINCSPlusParameters shake_256s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x020206), "shake-256s-simple", new Shake256EngineProvider(false, 32, 16, 8, 14, 22, 64));
// Haraka.
public static final SPHINCSPlusParameters haraka_128f = new SPHINCSPlusParameters(
Integers.valueOf(0x030101), "haraka-128f-robust", new HarakaSEngineProvider(true, 16, 16, 22, 6, 33, 66));
public static final SPHINCSPlusParameters haraka_128s = new SPHINCSPlusParameters(
Integers.valueOf(0x030102), "haraka-128s-robust", new HarakaSEngineProvider(true, 16, 16, 7, 12, 14, 63));
public static final SPHINCSPlusParameters haraka_192f = new SPHINCSPlusParameters(
Integers.valueOf(0x030103), "haraka-192f-robust", new HarakaSEngineProvider(true, 24, 16, 22, 8, 33, 66));
public static final SPHINCSPlusParameters haraka_192s = new SPHINCSPlusParameters(
Integers.valueOf(0x030104), "haraka-192s-robust", new HarakaSEngineProvider(true, 24, 16, 7, 14, 17, 63));
public static final SPHINCSPlusParameters haraka_256f = new SPHINCSPlusParameters(
Integers.valueOf(0x030105), "haraka-256f-robust", new HarakaSEngineProvider(true, 32, 16, 17, 9, 35, 68));
public static final SPHINCSPlusParameters haraka_256s = new SPHINCSPlusParameters(
Integers.valueOf(0x030106), "haraka-256s-robust", new HarakaSEngineProvider(true, 32, 16, 8, 14, 22, 64));
public static final SPHINCSPlusParameters haraka_128f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x030201), "haraka-128f-simple", new HarakaSEngineProvider(false, 16, 16, 22, 6, 33, 66));
public static final SPHINCSPlusParameters haraka_128s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x030202), "haraka-128s-simple", new HarakaSEngineProvider(false, 16, 16, 7, 12, 14, 63));
public static final SPHINCSPlusParameters haraka_192f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x030203), "haraka-192f-simple", new HarakaSEngineProvider(false, 24, 16, 22, 8, 33, 66));
public static final SPHINCSPlusParameters haraka_192s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x030204), "haraka-192s-simple", new HarakaSEngineProvider(false, 24, 16, 7, 14, 17, 63));
public static final SPHINCSPlusParameters haraka_256f_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x030205), "haraka-256f-simple", new HarakaSEngineProvider(false, 32, 16, 17, 9, 35, 68));
public static final SPHINCSPlusParameters haraka_256s_simple = new SPHINCSPlusParameters(
Integers.valueOf(0x030206), "haraka-256s-simple", new HarakaSEngineProvider(false, 32, 16, 8, 14, 22, 64));
private static final Map ID_TO_PARAMS = new HashMap();
static
{
SPHINCSPlusParameters[] all = new SPHINCSPlusParameters[]{
SPHINCSPlusParameters.sha2_128f, SPHINCSPlusParameters.sha2_128s,
SPHINCSPlusParameters.sha2_192f, SPHINCSPlusParameters.sha2_192s,
SPHINCSPlusParameters.sha2_256f, SPHINCSPlusParameters.sha2_256s,
SPHINCSPlusParameters.sha2_128f_simple, SPHINCSPlusParameters.sha2_128s_simple,
SPHINCSPlusParameters.sha2_192f_simple, SPHINCSPlusParameters.sha2_192s_simple,
SPHINCSPlusParameters.sha2_256f_simple, SPHINCSPlusParameters.sha2_256s_simple,
SPHINCSPlusParameters.shake_128f, SPHINCSPlusParameters.shake_128s,
SPHINCSPlusParameters.shake_192f, SPHINCSPlusParameters.shake_192s,
SPHINCSPlusParameters.shake_256f, SPHINCSPlusParameters.shake_256s,
SPHINCSPlusParameters.shake_128f_simple, SPHINCSPlusParameters.shake_128s_simple,
SPHINCSPlusParameters.shake_192f_simple, SPHINCSPlusParameters.shake_192s_simple,
SPHINCSPlusParameters.shake_256f_simple, SPHINCSPlusParameters.shake_256s_simple,
SPHINCSPlusParameters.haraka_128f, SPHINCSPlusParameters.haraka_128s,
SPHINCSPlusParameters.haraka_192f, SPHINCSPlusParameters.haraka_192s,
SPHINCSPlusParameters.haraka_256f, SPHINCSPlusParameters.haraka_256s,
SPHINCSPlusParameters.haraka_128f_simple, SPHINCSPlusParameters.haraka_128s_simple,
SPHINCSPlusParameters.haraka_192f_simple, SPHINCSPlusParameters.haraka_192s_simple,
SPHINCSPlusParameters.haraka_256f_simple, SPHINCSPlusParameters.haraka_256s_simple,
};
for (int i = 0; i < all.length; ++i)
{
SPHINCSPlusParameters parameters = all[i];
ID_TO_PARAMS.put(parameters.getID(), parameters);
}
}
private final Integer id;
private final String name;
private final SPHINCSPlusEngineProvider engineProvider;
private SPHINCSPlusParameters(Integer id, String name, SPHINCSPlusEngineProvider engineProvider)
{
this.id = id;
this.name = name;
this.engineProvider = engineProvider;
}
public Integer getID()
{
return id;
}
public String getName()
{
return name;
}
int getN()
{
return engineProvider.getN();
}
SPHINCSPlusEngine getEngine()
{
return engineProvider.get();
}
/**
* Return the SPHINCS+ parameters that map to the passed in parameter ID.
*
* @param id the oid of interest.
* @return the parameter set.
*/
public static SPHINCSPlusParameters getParams(Integer id)
{
return (SPHINCSPlusParameters)ID_TO_PARAMS.get(id);
}
/**
* Return the OID that maps to the passed in SPHINCS+ parameters.
*
* @param params the parameters of interest.
* @return the OID for the parameter set.
* @deprecated Use {@link #getID()} instead
*/
public static Integer getID(SPHINCSPlusParameters params)
{
return params.getID();
}
public byte[] getEncoded()
{
return Pack.intToBigEndian(getID().intValue());
}
private static class Sha2EngineProvider
implements SPHINCSPlusEngineProvider
{
private final boolean robust;
private final int n;
private final int w;
private final int d;
private final int a;
private final int k;
private final int h;
public Sha2EngineProvider(boolean robust, int n, int w, int d, int a, int k, int h)
{
this.robust = robust;
this.n = n;
this.w = w;
this.d = d;
this.a = a;
this.k = k;
this.h = h;
}
public int getN()
{
return n;
}
public SPHINCSPlusEngine get()
{
return new SPHINCSPlusEngine.Sha2Engine(robust, n, w, d, a, k, h);
}
}
private static class Shake256EngineProvider
implements SPHINCSPlusEngineProvider
{
private final boolean robust;
private final int n;
private final int w;
private final int d;
private final int a;
private final int k;
private final int h;
public Shake256EngineProvider(boolean robust, int n, int w, int d, int a, int k, int h)
{
this.robust = robust;
this.n = n;
this.w = w;
this.d = d;
this.a = a;
this.k = k;
this.h = h;
}
public int getN()
{
return n;
}
public SPHINCSPlusEngine get()
{
return new SPHINCSPlusEngine.Shake256Engine(robust, n, w, d, a, k, h);
}
}
private static class HarakaSEngineProvider
implements SPHINCSPlusEngineProvider
{
private final boolean robust;
private final int n;
private final int w;
private final int d;
private final int a;
private final int k;
private final int h;
public HarakaSEngineProvider(boolean robust, int n, int w, int d, int a, int k, int h)
{
this.robust = robust;
this.n = n;
this.w = w;
this.d = d;
this.a = a;
this.k = k;
this.h = h;
}
public int getN()
{
return n;
}
public SPHINCSPlusEngine get()
{
return new SPHINCSPlusEngine.HarakaSEngine(robust, n, w, d, a, k, h);
}
}
}