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using System;
using System.Collections.Generic;
using Org.BouncyCastle.Crypto.Utilities;
namespace Org.BouncyCastle.Pqc.Crypto.SphincsPlus
{
public class SPHINCSPlusParameters
{
public static SPHINCSPlusParameters sha2_128f = new SPHINCSPlusParameters("sha2-128f-robust",
new SPHINCSPlusEngine.Sha2Engine(true, 16, 16, 22, 6, 33, 66));
public static SPHINCSPlusParameters sha2_128s = new SPHINCSPlusParameters("sha2-128s-robust",
new SPHINCSPlusEngine.Sha2Engine(true, 16, 16, 7, 12, 14, 63));
public static SPHINCSPlusParameters sha2_192f = new SPHINCSPlusParameters("sha2-192f-robust",
new SPHINCSPlusEngine.Sha2Engine(true, 24, 16, 22, 8, 33, 66));
public static SPHINCSPlusParameters sha2_192s = new SPHINCSPlusParameters("sha2-192s-robust",
new SPHINCSPlusEngine.Sha2Engine(true, 24, 16, 7, 14, 17, 63));
public static SPHINCSPlusParameters sha2_256f = new SPHINCSPlusParameters("sha2-256f-robust",
new SPHINCSPlusEngine.Sha2Engine(true, 32, 16, 17, 9, 35, 68));
public static SPHINCSPlusParameters sha2_256s = new SPHINCSPlusParameters("sha2-256s-robust",
new SPHINCSPlusEngine.Sha2Engine(true, 32, 16, 8, 14, 22, 64));
public static SPHINCSPlusParameters sha2_128f_simple = new SPHINCSPlusParameters("sha2-128f-simple",
new SPHINCSPlusEngine.Sha2Engine(false, 16, 16, 22, 6, 33, 66));
public static SPHINCSPlusParameters sha2_128s_simple = new SPHINCSPlusParameters("sha2-128s-simple",
new SPHINCSPlusEngine.Sha2Engine(false, 16, 16, 7, 12, 14, 63));
public static SPHINCSPlusParameters sha2_192f_simple = new SPHINCSPlusParameters("sha2-192f-simple",
new SPHINCSPlusEngine.Sha2Engine(false, 24, 16, 22, 8, 33, 66));
public static SPHINCSPlusParameters sha2_192s_simple = new SPHINCSPlusParameters("sha2-192s-simple",
new SPHINCSPlusEngine.Sha2Engine(false, 24, 16, 7, 14, 17, 63));
public static SPHINCSPlusParameters sha2_256f_simple = new SPHINCSPlusParameters("sha2-256f-simple",
new SPHINCSPlusEngine.Sha2Engine(false, 32, 16, 17, 9, 35, 68));
public static SPHINCSPlusParameters sha2_256s_simple = new SPHINCSPlusParameters("sha2-256s-simple",
new SPHINCSPlusEngine.Sha2Engine(false, 32, 16, 8, 14, 22, 64));
// SHAKE-256.
public static SPHINCSPlusParameters shake_128f = new SPHINCSPlusParameters("shake-128f-robust",
new SPHINCSPlusEngine.Shake256Engine(true, 16, 16, 22, 6, 33, 66));
public static SPHINCSPlusParameters shake_128s = new SPHINCSPlusParameters("shake-128s-robust",
new SPHINCSPlusEngine.Shake256Engine(true, 16, 16, 7, 12, 14, 63));
public static SPHINCSPlusParameters shake_192f = new SPHINCSPlusParameters("shake-192f-robust",
new SPHINCSPlusEngine.Shake256Engine(true, 24, 16, 22, 8, 33, 66));
public static SPHINCSPlusParameters shake_192s = new SPHINCSPlusParameters("shake-192s-robust",
new SPHINCSPlusEngine.Shake256Engine(true, 24, 16, 7, 14, 17, 63));
public static SPHINCSPlusParameters shake_256f = new SPHINCSPlusParameters("shake-256f-robust",
new SPHINCSPlusEngine.Shake256Engine(true, 32, 16, 17, 9, 35, 68));
public static SPHINCSPlusParameters shake_256s = new SPHINCSPlusParameters("shake-256s-robust",
new SPHINCSPlusEngine.Shake256Engine(true, 32, 16, 8, 14, 22, 64));
public static SPHINCSPlusParameters shake_128f_simple = new SPHINCSPlusParameters("shake-128f-simple",
new SPHINCSPlusEngine.Shake256Engine(false, 16, 16, 22, 6, 33, 66));
public static SPHINCSPlusParameters shake_128s_simple = new SPHINCSPlusParameters("shake-128s-simple",
new SPHINCSPlusEngine.Shake256Engine(false, 16, 16, 7, 12, 14, 63));
public static SPHINCSPlusParameters shake_192f_simple = new SPHINCSPlusParameters("shake-192f-simple",
new SPHINCSPlusEngine.Shake256Engine(false, 24, 16, 22, 8, 33, 66));
public static SPHINCSPlusParameters shake_192s_simple = new SPHINCSPlusParameters("shake-192s-simple",
new SPHINCSPlusEngine.Shake256Engine(false, 24, 16, 7, 14, 17, 63));
public static SPHINCSPlusParameters shake_256f_simple = new SPHINCSPlusParameters("shake-256f-simple",
new SPHINCSPlusEngine.Shake256Engine(false, 32, 16, 17, 9, 35, 68));
public static SPHINCSPlusParameters shake_256s_simple = new SPHINCSPlusParameters("shake-256s-simple",
new SPHINCSPlusEngine.Shake256Engine(false, 32, 16, 8, 14, 22, 64));
private static uint sphincsPlus_sha2_128f_robust = 0x010101;
private static uint sphincsPlus_sha2_128s_robust = 0x010102;
private static uint sphincsPlus_sha2_192f_robust = 0x010103;
private static uint sphincsPlus_sha2_192s_robust = 0x010104;
private static uint sphincsPlus_sha2_256f_robust = 0x010105;
private static uint sphincsPlus_sha2_256s_robust = 0x010106;
private static uint sphincsPlus_sha2_128f_simple = 0x010201;
private static uint sphincsPlus_sha2_128s_simple = 0x010202;
private static uint sphincsPlus_sha2_192f_simple = 0x010203;
private static uint sphincsPlus_sha2_192s_simple = 0x010204;
private static uint sphincsPlus_sha2_256f_simple = 0x010205;
private static uint sphincsPlus_sha2_256s_simple = 0x010206;
private static uint sphincsPlus_shake_128f_robust = 0x020101;
private static uint sphincsPlus_shake_128s_robust = 0x020102;
private static uint sphincsPlus_shake_192f_robust = 0x020103;
private static uint sphincsPlus_shake_192s_robust = 0x020104;
private static uint sphincsPlus_shake_256f_robust = 0x020105;
private static uint sphincsPlus_shake_256s_robust = 0x020106;
private static uint sphincsPlus_shake_128f_simple = 0x020201;
private static uint sphincsPlus_shake_128s_simple = 0x020202;
private static uint sphincsPlus_shake_192f_simple = 0x020203;
private static uint sphincsPlus_shake_192s_simple = 0x020204;
private static uint sphincsPlus_shake_256f_simple = 0x020205;
private static uint sphincsPlus_shake_256s_simple = 0x020206;
private static Dictionary<uint, SPHINCSPlusParameters> oidToParams = new Dictionary<uint, SPHINCSPlusParameters>();
private static Dictionary<SPHINCSPlusParameters, uint> paramsToOid = new Dictionary<SPHINCSPlusParameters, uint>();
static SPHINCSPlusParameters()
{
oidToParams[sphincsPlus_sha2_128f_robust] = SPHINCSPlusParameters.sha2_128f;
oidToParams[sphincsPlus_sha2_128s_robust] = SPHINCSPlusParameters.sha2_128s;
oidToParams[sphincsPlus_sha2_192f_robust] = SPHINCSPlusParameters.sha2_192f;
oidToParams[sphincsPlus_sha2_192s_robust] = SPHINCSPlusParameters.sha2_192s;
oidToParams[sphincsPlus_sha2_256f_robust] = SPHINCSPlusParameters.sha2_256f;
oidToParams[sphincsPlus_sha2_256s_robust] = SPHINCSPlusParameters.sha2_256s;
oidToParams[sphincsPlus_sha2_128f_simple] = SPHINCSPlusParameters.sha2_128f_simple;
oidToParams[sphincsPlus_sha2_128s_simple] = SPHINCSPlusParameters.sha2_128s_simple;
oidToParams[sphincsPlus_sha2_192f_simple] = SPHINCSPlusParameters.sha2_192f_simple;
oidToParams[sphincsPlus_sha2_192s_simple] = SPHINCSPlusParameters.sha2_192s_simple;
oidToParams[sphincsPlus_sha2_256f_simple] = SPHINCSPlusParameters.sha2_256f_simple;
oidToParams[sphincsPlus_sha2_256s_simple] = SPHINCSPlusParameters.sha2_256s_simple;
oidToParams[sphincsPlus_shake_128f_robust] = SPHINCSPlusParameters.shake_128f;
oidToParams[sphincsPlus_shake_128s_robust] = SPHINCSPlusParameters.shake_128s;
oidToParams[sphincsPlus_shake_192f_robust] = SPHINCSPlusParameters.shake_192f;
oidToParams[sphincsPlus_shake_192s_robust] = SPHINCSPlusParameters.shake_192s;
oidToParams[sphincsPlus_shake_256f_robust] = SPHINCSPlusParameters.shake_256f;
oidToParams[sphincsPlus_shake_256s_robust] = SPHINCSPlusParameters.shake_256s;
oidToParams[sphincsPlus_shake_128f_simple] = SPHINCSPlusParameters.shake_128f_simple;
oidToParams[sphincsPlus_shake_128s_simple] = SPHINCSPlusParameters.shake_128s_simple;
oidToParams[sphincsPlus_shake_192f_simple] = SPHINCSPlusParameters.shake_192f_simple;
oidToParams[sphincsPlus_shake_192s_simple] = SPHINCSPlusParameters.shake_192s_simple;
oidToParams[sphincsPlus_shake_256f_simple] = SPHINCSPlusParameters.shake_256f_simple;
oidToParams[sphincsPlus_shake_256s_simple] = SPHINCSPlusParameters.shake_256s_simple;
paramsToOid[SPHINCSPlusParameters.sha2_128f] = sphincsPlus_sha2_128f_robust;
paramsToOid[SPHINCSPlusParameters.sha2_128s] = sphincsPlus_sha2_128s_robust;
paramsToOid[SPHINCSPlusParameters.sha2_192f] = sphincsPlus_sha2_192f_robust;
paramsToOid[SPHINCSPlusParameters.sha2_192s] = sphincsPlus_sha2_192s_robust;
paramsToOid[SPHINCSPlusParameters.sha2_256f] = sphincsPlus_sha2_256f_robust;
paramsToOid[SPHINCSPlusParameters.sha2_256s] = sphincsPlus_sha2_256s_robust;
paramsToOid[SPHINCSPlusParameters.sha2_128f_simple] = sphincsPlus_sha2_128f_simple;
paramsToOid[SPHINCSPlusParameters.sha2_128s_simple] = sphincsPlus_sha2_128s_simple;
paramsToOid[SPHINCSPlusParameters.sha2_192f_simple] = sphincsPlus_sha2_192f_simple;
paramsToOid[SPHINCSPlusParameters.sha2_192s_simple] = sphincsPlus_sha2_192s_simple;
paramsToOid[SPHINCSPlusParameters.sha2_256f_simple] = sphincsPlus_sha2_256f_simple;
paramsToOid[SPHINCSPlusParameters.sha2_256s_simple] = sphincsPlus_sha2_256s_simple;
paramsToOid[SPHINCSPlusParameters.shake_128f] = sphincsPlus_shake_128f_robust;
paramsToOid[SPHINCSPlusParameters.shake_128s] = sphincsPlus_shake_128s_robust;
paramsToOid[SPHINCSPlusParameters.shake_192f] = sphincsPlus_shake_192f_robust;
paramsToOid[SPHINCSPlusParameters.shake_192s] = sphincsPlus_shake_192s_robust;
paramsToOid[SPHINCSPlusParameters.shake_256f] = sphincsPlus_shake_256f_robust;
paramsToOid[SPHINCSPlusParameters.shake_256s] = sphincsPlus_shake_256s_robust;
paramsToOid[SPHINCSPlusParameters.shake_128f_simple] = sphincsPlus_shake_128f_simple;
paramsToOid[SPHINCSPlusParameters.shake_128s_simple] = sphincsPlus_shake_128s_simple;
paramsToOid[SPHINCSPlusParameters.shake_192f_simple] = sphincsPlus_shake_192f_simple;
paramsToOid[SPHINCSPlusParameters.shake_192s_simple] = sphincsPlus_shake_192s_simple;
paramsToOid[SPHINCSPlusParameters.shake_256f_simple] = sphincsPlus_shake_256f_simple;
paramsToOid[SPHINCSPlusParameters.shake_256s_simple] = sphincsPlus_shake_256s_simple;
}
private String name;
private SPHINCSPlusEngine engine;
private SPHINCSPlusParameters(String name, SPHINCSPlusEngine engine)
{
this.name = name;
this.engine = engine;
}
public String Name => name;
internal SPHINCSPlusEngine Engine => engine;
/**
* 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(uint id)
{
return (SPHINCSPlusParameters) oidToParams[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.
*/
public static uint GetID(SPHINCSPlusParameters parameters)
{
return paramsToOid[parameters];
}
public byte[] GetEncoded()
{
return Pack.UInt32_To_BE(GetID(this));
}
}
}
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