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Devin Jankowski
2023-06-21 12:46:23 -04:00
commit c70248a520
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100
iTechSharp/srcbc/asn1/nist/NISTNamedCurves.cs Normal file
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using System;
using System.Collections;
using System.Globalization;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.Sec;
using Org.BouncyCastle.Asn1.X9;
using Org.BouncyCastle.Utilities.Collections;
namespace Org.BouncyCastle.Asn1.Nist
{
/**
* Utility class for fetching curves using their NIST names as published in FIPS-PUB 186-2
*/
public sealed class NistNamedCurves
{
private NistNamedCurves()
{
}
private static readonly Hashtable objIds = new Hashtable();
private static readonly Hashtable names = new Hashtable();
private static void DefineCurve(
string name,
DerObjectIdentifier oid)
{
objIds.Add(name, oid);
names.Add(oid, name);
}
static NistNamedCurves()
{
DefineCurve("B-571", SecObjectIdentifiers.SecT571r1);
DefineCurve("B-409", SecObjectIdentifiers.SecT409r1);
DefineCurve("B-283", SecObjectIdentifiers.SecT283r1);
DefineCurve("B-233", SecObjectIdentifiers.SecT233r1);
DefineCurve("B-163", SecObjectIdentifiers.SecT163r2);
DefineCurve("P-521", SecObjectIdentifiers.SecP521r1);
DefineCurve("P-256", SecObjectIdentifiers.SecP256r1);
DefineCurve("P-224", SecObjectIdentifiers.SecP224r1);
DefineCurve("P-384", SecObjectIdentifiers.SecP384r1);
}
public static X9ECParameters GetByName(
string name)
{
DerObjectIdentifier oid = (DerObjectIdentifier) objIds[name.ToUpper(CultureInfo.InvariantCulture)];
if (oid != null)
{
return GetByOid(oid);
}
return null;
}
/**
* return the X9ECParameters object for the named curve represented by
* the passed in object identifier. Null if the curve isn't present.
*
* @param oid an object identifier representing a named curve, if present.
*/
public static X9ECParameters GetByOid(
DerObjectIdentifier oid)
{
return SecNamedCurves.GetByOid(oid);
}
/**
* return the object identifier signified by the passed in name. Null
* if there is no object identifier associated with name.
*
* @return the object identifier associated with name, if present.
*/
public static DerObjectIdentifier GetOid(
string name)
{
return (DerObjectIdentifier) objIds[name.ToUpper(CultureInfo.InvariantCulture)];
}
/**
* return the named curve name represented by the given object identifier.
*/
public static string GetName(
DerObjectIdentifier oid)
{
return (string) names[oid];
}
/**
* returns an enumeration containing the name strings for curves
* contained in this structure.
*/
public static IEnumerable Names
{
get { return new EnumerableProxy(objIds.Keys); }
}
}
}

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iTechSharp/srcbc/asn1/nist/NISTObjectIdentifiers.cs Normal file
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using Org.BouncyCastle.Asn1;
namespace Org.BouncyCastle.Asn1.Nist
{
public sealed class NistObjectIdentifiers
{
private NistObjectIdentifiers()
{
}
//
// NIST
// iso/itu(2) joint-assign(16) us(840) organization(1) gov(101) csor(3)
//
// nistalgorithms(4)
//
public static readonly DerObjectIdentifier NistAlgorithm = new DerObjectIdentifier("2.16.840.1.101.3.4");
public static readonly DerObjectIdentifier IdSha256 = new DerObjectIdentifier(NistAlgorithm + ".2.1");
public static readonly DerObjectIdentifier IdSha384 = new DerObjectIdentifier(NistAlgorithm + ".2.2");
public static readonly DerObjectIdentifier IdSha512 = new DerObjectIdentifier(NistAlgorithm + ".2.3");
public static readonly DerObjectIdentifier IdSha224 = new DerObjectIdentifier(NistAlgorithm + ".2.4");
public static readonly DerObjectIdentifier Aes = new DerObjectIdentifier(NistAlgorithm + ".1");
public static readonly DerObjectIdentifier IdAes128Ecb = new DerObjectIdentifier(Aes + ".1");
public static readonly DerObjectIdentifier IdAes128Cbc = new DerObjectIdentifier(Aes + ".2");
public static readonly DerObjectIdentifier IdAes128Ofb = new DerObjectIdentifier(Aes + ".3");
public static readonly DerObjectIdentifier IdAes128Cfb = new DerObjectIdentifier(Aes + ".4");
public static readonly DerObjectIdentifier IdAes128Wrap = new DerObjectIdentifier(Aes + ".5");
public static readonly DerObjectIdentifier IdAes192Ecb = new DerObjectIdentifier(Aes + ".21");
public static readonly DerObjectIdentifier IdAes192Cbc = new DerObjectIdentifier(Aes + ".22");
public static readonly DerObjectIdentifier IdAes192Ofb = new DerObjectIdentifier(Aes + ".23");
public static readonly DerObjectIdentifier IdAes192Cfb = new DerObjectIdentifier(Aes + ".24");
public static readonly DerObjectIdentifier IdAes192Wrap = new DerObjectIdentifier(Aes + ".25");
public static readonly DerObjectIdentifier IdAes256Ecb = new DerObjectIdentifier(Aes + ".41");
public static readonly DerObjectIdentifier IdAes256Cbc = new DerObjectIdentifier(Aes + ".42");
public static readonly DerObjectIdentifier IdAes256Ofb = new DerObjectIdentifier(Aes + ".43");
public static readonly DerObjectIdentifier IdAes256Cfb = new DerObjectIdentifier(Aes + ".44");
public static readonly DerObjectIdentifier IdAes256Wrap = new DerObjectIdentifier(Aes + ".45");
//
// signatures
//
public static readonly DerObjectIdentifier IdDsaWithSha2 = new DerObjectIdentifier(NistAlgorithm + ".3");
public static readonly DerObjectIdentifier DsaWithSha224 = new DerObjectIdentifier(IdDsaWithSha2 + ".1");
public static readonly DerObjectIdentifier DsaWithSha256 = new DerObjectIdentifier(IdDsaWithSha2 + ".2");
public static readonly DerObjectIdentifier DsaWithSha384 = new DerObjectIdentifier(IdDsaWithSha2 + ".3");
public static readonly DerObjectIdentifier DsaWithSha512 = new DerObjectIdentifier(IdDsaWithSha2 + ".4");
}
}