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-rw-r--r--crypto/src/security/SignerUtilities.cs889
1 files changed, 433 insertions, 456 deletions
diff --git a/crypto/src/security/SignerUtilities.cs b/crypto/src/security/SignerUtilities.cs
index b3a49dea8..e42e217cc 100644
--- a/crypto/src/security/SignerUtilities.cs
+++ b/crypto/src/security/SignerUtilities.cs
@@ -1,6 +1,5 @@
 using System;
-using System.Collections;
-using System.IO;
+using System.Collections.Generic;
 
 using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.Bsi;
@@ -14,439 +13,437 @@ using Org.BouncyCastle.Asn1.Pkcs;
 using Org.BouncyCastle.Asn1.TeleTrust;
 using Org.BouncyCastle.Asn1.X509;
 using Org.BouncyCastle.Asn1.X9;
-using Org.BouncyCastle.Security;
 using Org.BouncyCastle.Crypto.Digests;
 using Org.BouncyCastle.Crypto;
 using Org.BouncyCastle.Crypto.Engines;
 using Org.BouncyCastle.Crypto.Signers;
 using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Security
 {
     /// <summary>
     ///  Signer Utility class contains methods that can not be specifically grouped into other classes.
     /// </summary>
-    public sealed class SignerUtilities
+    public static class SignerUtilities
     {
-        private SignerUtilities()
-        {
-        }
-
-        internal static readonly IDictionary algorithms = Platform.CreateHashtable();
-        internal static readonly IDictionary oids = Platform.CreateHashtable();
+        internal static readonly IDictionary<string, string> AlgorithmMap =
+            new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        internal static readonly IDictionary<string, DerObjectIdentifier> Oids =
+            new Dictionary<string, DerObjectIdentifier>(StringComparer.OrdinalIgnoreCase);
 
         static SignerUtilities()
         {
-            algorithms["MD2WITHRSA"] = "MD2withRSA";
-            algorithms["MD2WITHRSAENCRYPTION"] = "MD2withRSA";
-            algorithms[PkcsObjectIdentifiers.MD2WithRsaEncryption.Id] = "MD2withRSA";
-
-            algorithms["MD4WITHRSA"] = "MD4withRSA";
-            algorithms["MD4WITHRSAENCRYPTION"] = "MD4withRSA";
-            algorithms[PkcsObjectIdentifiers.MD4WithRsaEncryption.Id] = "MD4withRSA";
-            algorithms[OiwObjectIdentifiers.MD4WithRsa.Id] = "MD4withRSA";
-			algorithms[OiwObjectIdentifiers.MD4WithRsaEncryption.Id] = "MD4withRSA";
-
-			algorithms["MD5WITHRSA"] = "MD5withRSA";
-            algorithms["MD5WITHRSAENCRYPTION"] = "MD5withRSA";
-            algorithms[PkcsObjectIdentifiers.MD5WithRsaEncryption.Id] = "MD5withRSA";
-            algorithms[OiwObjectIdentifiers.MD5WithRsa.Id] = "MD5withRSA";
-
-            algorithms["SHA1WITHRSA"] = "SHA-1withRSA";
-            algorithms["SHA-1WITHRSA"] = "SHA-1withRSA";
-            algorithms["SHA1WITHRSAENCRYPTION"] = "SHA-1withRSA";
-            algorithms["SHA-1WITHRSAENCRYPTION"] = "SHA-1withRSA";
-            algorithms[PkcsObjectIdentifiers.Sha1WithRsaEncryption.Id] = "SHA-1withRSA";
-            algorithms[OiwObjectIdentifiers.Sha1WithRsa.Id] = "SHA-1withRSA";
-
-            algorithms["SHA224WITHRSA"] = "SHA-224withRSA";
-            algorithms["SHA-224WITHRSA"] = "SHA-224withRSA";
-            algorithms["SHA224WITHRSAENCRYPTION"] = "SHA-224withRSA";
-            algorithms["SHA-224WITHRSAENCRYPTION"] = "SHA-224withRSA";
-            algorithms[PkcsObjectIdentifiers.Sha224WithRsaEncryption.Id] = "SHA-224withRSA";
-
-            algorithms["SHA256WITHRSA"] = "SHA-256withRSA";
-            algorithms["SHA-256WITHRSA"] = "SHA-256withRSA";
-            algorithms["SHA256WITHRSAENCRYPTION"] = "SHA-256withRSA";
-            algorithms["SHA-256WITHRSAENCRYPTION"] = "SHA-256withRSA";
-            algorithms[PkcsObjectIdentifiers.Sha256WithRsaEncryption.Id] = "SHA-256withRSA";
-
-            algorithms["SHA384WITHRSA"] = "SHA-384withRSA";
-            algorithms["SHA-384WITHRSA"] = "SHA-384withRSA";
-            algorithms["SHA384WITHRSAENCRYPTION"] = "SHA-384withRSA";
-            algorithms["SHA-384WITHRSAENCRYPTION"] = "SHA-384withRSA";
-            algorithms[PkcsObjectIdentifiers.Sha384WithRsaEncryption.Id] = "SHA-384withRSA";
-
-            algorithms["SHA512WITHRSA"] = "SHA-512withRSA";
-            algorithms["SHA-512WITHRSA"] = "SHA-512withRSA";
-            algorithms["SHA512WITHRSAENCRYPTION"] = "SHA-512withRSA";
-            algorithms["SHA-512WITHRSAENCRYPTION"] = "SHA-512withRSA";
-            algorithms[PkcsObjectIdentifiers.Sha512WithRsaEncryption.Id] = "SHA-512withRSA";
-
-            algorithms["SHA512(224)WITHRSA"] = "SHA-512(224)withRSA";
-            algorithms["SHA-512(224)WITHRSA"] = "SHA-512(224)withRSA";
-            algorithms["SHA512(224)WITHRSAENCRYPTION"] = "SHA-512(224)withRSA";
-            algorithms["SHA-512(224)WITHRSAENCRYPTION"] = "SHA-512(224)withRSA";
-            algorithms[PkcsObjectIdentifiers.Sha512_224WithRSAEncryption.Id] = "SHA-512(224)withRSA";
-
-            algorithms["SHA512(256)WITHRSA"] = "SHA-512(256)withRSA";
-            algorithms["SHA-512(256)WITHRSA"] = "SHA-512(256)withRSA";
-            algorithms["SHA512(256)WITHRSAENCRYPTION"] = "SHA-512(256)withRSA";
-            algorithms["SHA-512(256)WITHRSAENCRYPTION"] = "SHA-512(256)withRSA";
-            algorithms[PkcsObjectIdentifiers.Sha512_256WithRSAEncryption.Id] = "SHA-512(256)withRSA";
-
-            algorithms["SHA3-224WITHRSA"] = "SHA3-224withRSA";
-            algorithms["SHA3-224WITHRSAENCRYPTION"] = "SHA3-224withRSA";
-            algorithms[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224.Id] = "SHA3-224withRSA";
-            algorithms["SHA3-256WITHRSA"] = "SHA3-256withRSA";
-            algorithms["SHA3-256WITHRSAENCRYPTION"] = "SHA3-256withRSA";
-            algorithms[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256.Id] = "SHA3-256withRSA";
-            algorithms["SHA3-384WITHRSA"] = "SHA3-384withRSA";
-            algorithms["SHA3-384WITHRSAENCRYPTION"] = "SHA3-384withRSA";
-            algorithms[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384.Id] = "SHA3-384withRSA";
-            algorithms["SHA3-512WITHRSA"] = "SHA3-512withRSA";
-            algorithms["SHA3-512WITHRSAENCRYPTION"] = "SHA3-512withRSA";
-            algorithms[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512.Id] = "SHA3-512withRSA";
-
-            algorithms["PSSWITHRSA"] = "PSSwithRSA";
-            algorithms["RSASSA-PSS"] = "PSSwithRSA";
-            algorithms[PkcsObjectIdentifiers.IdRsassaPss.Id] = "PSSwithRSA";
-            algorithms["RSAPSS"] = "PSSwithRSA";
-
-            algorithms["SHA1WITHRSAANDMGF1"] = "SHA-1withRSAandMGF1";
-            algorithms["SHA-1WITHRSAANDMGF1"] = "SHA-1withRSAandMGF1";
-            algorithms["SHA1WITHRSA/PSS"] = "SHA-1withRSAandMGF1";
-            algorithms["SHA-1WITHRSA/PSS"] = "SHA-1withRSAandMGF1";
-            algorithms["SHA1WITHRSASSA-PSS"] = "SHA-1withRSAandMGF1";
-            algorithms["SHA-1WITHRSASSA-PSS"] = "SHA-1withRSAandMGF1";
-
-            algorithms["SHA224WITHRSAANDMGF1"] = "SHA-224withRSAandMGF1";
-            algorithms["SHA-224WITHRSAANDMGF1"] = "SHA-224withRSAandMGF1";
-            algorithms["SHA224WITHRSA/PSS"] = "SHA-224withRSAandMGF1";
-            algorithms["SHA-224WITHRSA/PSS"] = "SHA-224withRSAandMGF1";
-            algorithms["SHA224WITHRSASSA-PSS"] = "SHA-224withRSAandMGF1";
-            algorithms["SHA-224WITHRSASSA-PSS"] = "SHA-224withRSAandMGF1";
-
-            algorithms["SHA256WITHRSAANDMGF1"] = "SHA-256withRSAandMGF1";
-            algorithms["SHA-256WITHRSAANDMGF1"] = "SHA-256withRSAandMGF1";
-            algorithms["SHA256WITHRSA/PSS"] = "SHA-256withRSAandMGF1";
-            algorithms["SHA-256WITHRSA/PSS"] = "SHA-256withRSAandMGF1";
-            algorithms["SHA256WITHRSASSA-PSS"] = "SHA-256withRSAandMGF1";
-            algorithms["SHA-256WITHRSASSA-PSS"] = "SHA-256withRSAandMGF1";
-
-            algorithms["SHA384WITHRSAANDMGF1"] = "SHA-384withRSAandMGF1";
-            algorithms["SHA-384WITHRSAANDMGF1"] = "SHA-384withRSAandMGF1";
-            algorithms["SHA384WITHRSA/PSS"] = "SHA-384withRSAandMGF1";
-            algorithms["SHA-384WITHRSA/PSS"] = "SHA-384withRSAandMGF1";
-            algorithms["SHA384WITHRSASSA-PSS"] = "SHA-384withRSAandMGF1";
-            algorithms["SHA-384WITHRSASSA-PSS"] = "SHA-384withRSAandMGF1";
-
-            algorithms["SHA512WITHRSAANDMGF1"] = "SHA-512withRSAandMGF1";
-            algorithms["SHA-512WITHRSAANDMGF1"] = "SHA-512withRSAandMGF1";
-            algorithms["SHA512WITHRSA/PSS"] = "SHA-512withRSAandMGF1";
-            algorithms["SHA-512WITHRSA/PSS"] = "SHA-512withRSAandMGF1";
-            algorithms["SHA512WITHRSASSA-PSS"] = "SHA-512withRSAandMGF1";
-            algorithms["SHA-512WITHRSASSA-PSS"] = "SHA-512withRSAandMGF1";
-
-            algorithms["RIPEMD128WITHRSA"] = "RIPEMD128withRSA";
-            algorithms["RIPEMD128WITHRSAENCRYPTION"] = "RIPEMD128withRSA";
-            algorithms[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128.Id] = "RIPEMD128withRSA";
-
-            algorithms["RIPEMD160WITHRSA"] = "RIPEMD160withRSA";
-            algorithms["RIPEMD160WITHRSAENCRYPTION"] = "RIPEMD160withRSA";
-            algorithms[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160.Id] = "RIPEMD160withRSA";
-
-            algorithms["RIPEMD256WITHRSA"] = "RIPEMD256withRSA";
-            algorithms["RIPEMD256WITHRSAENCRYPTION"] = "RIPEMD256withRSA";
-            algorithms[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256.Id] = "RIPEMD256withRSA";
-
-            algorithms["NONEWITHRSA"] = "RSA";
-            algorithms["RSAWITHNONE"] = "RSA";
-            algorithms["RAWRSA"] = "RSA";
-
-            algorithms["RAWRSAPSS"] = "RAWRSASSA-PSS";
-            algorithms["NONEWITHRSAPSS"] = "RAWRSASSA-PSS";
-            algorithms["NONEWITHRSASSA-PSS"] = "RAWRSASSA-PSS";
-
-            algorithms["NONEWITHDSA"] = "NONEwithDSA";
-            algorithms["DSAWITHNONE"] = "NONEwithDSA";
-            algorithms["RAWDSA"] = "NONEwithDSA";
-
-            algorithms["DSA"] = "SHA-1withDSA";
-            algorithms["DSAWITHSHA1"] = "SHA-1withDSA";
-            algorithms["DSAWITHSHA-1"] = "SHA-1withDSA";
-            algorithms["SHA/DSA"] = "SHA-1withDSA";
-            algorithms["SHA1/DSA"] = "SHA-1withDSA";
-            algorithms["SHA-1/DSA"] = "SHA-1withDSA";
-            algorithms["SHA1WITHDSA"] = "SHA-1withDSA";
-            algorithms["SHA-1WITHDSA"] = "SHA-1withDSA";
-            algorithms[X9ObjectIdentifiers.IdDsaWithSha1.Id] = "SHA-1withDSA";
-            algorithms[OiwObjectIdentifiers.DsaWithSha1.Id] = "SHA-1withDSA";
-
-            algorithms["DSAWITHSHA224"] = "SHA-224withDSA";
-            algorithms["DSAWITHSHA-224"] = "SHA-224withDSA";
-            algorithms["SHA224/DSA"] = "SHA-224withDSA";
-            algorithms["SHA-224/DSA"] = "SHA-224withDSA";
-            algorithms["SHA224WITHDSA"] = "SHA-224withDSA";
-            algorithms["SHA-224WITHDSA"] = "SHA-224withDSA";
-            algorithms[NistObjectIdentifiers.DsaWithSha224.Id] = "SHA-224withDSA";
-
-            algorithms["DSAWITHSHA256"] = "SHA-256withDSA";
-            algorithms["DSAWITHSHA-256"] = "SHA-256withDSA";
-            algorithms["SHA256/DSA"] = "SHA-256withDSA";
-            algorithms["SHA-256/DSA"] = "SHA-256withDSA";
-            algorithms["SHA256WITHDSA"] = "SHA-256withDSA";
-            algorithms["SHA-256WITHDSA"] = "SHA-256withDSA";
-            algorithms[NistObjectIdentifiers.DsaWithSha256.Id] = "SHA-256withDSA";
-
-            algorithms["DSAWITHSHA384"] = "SHA-384withDSA";
-            algorithms["DSAWITHSHA-384"] = "SHA-384withDSA";
-            algorithms["SHA384/DSA"] = "SHA-384withDSA";
-            algorithms["SHA-384/DSA"] = "SHA-384withDSA";
-            algorithms["SHA384WITHDSA"] = "SHA-384withDSA";
-            algorithms["SHA-384WITHDSA"] = "SHA-384withDSA";
-            algorithms[NistObjectIdentifiers.DsaWithSha384.Id] = "SHA-384withDSA";
-
-            algorithms["DSAWITHSHA512"] = "SHA-512withDSA";
-            algorithms["DSAWITHSHA-512"] = "SHA-512withDSA";
-            algorithms["SHA512/DSA"] = "SHA-512withDSA";
-            algorithms["SHA-512/DSA"] = "SHA-512withDSA";
-            algorithms["SHA512WITHDSA"] = "SHA-512withDSA";
-            algorithms["SHA-512WITHDSA"] = "SHA-512withDSA";
-            algorithms[NistObjectIdentifiers.DsaWithSha512.Id] = "SHA-512withDSA";
-
-            algorithms["NONEWITHECDSA"] = "NONEwithECDSA";
-            algorithms["ECDSAWITHNONE"] = "NONEwithECDSA";
-
-            algorithms["ECDSA"] = "SHA-1withECDSA";
-            algorithms["SHA1/ECDSA"] = "SHA-1withECDSA";
-            algorithms["SHA-1/ECDSA"] = "SHA-1withECDSA";
-            algorithms["ECDSAWITHSHA1"] = "SHA-1withECDSA";
-            algorithms["ECDSAWITHSHA-1"] = "SHA-1withECDSA";
-            algorithms["SHA1WITHECDSA"] = "SHA-1withECDSA";
-            algorithms["SHA-1WITHECDSA"] = "SHA-1withECDSA";
-            algorithms[X9ObjectIdentifiers.ECDsaWithSha1.Id] = "SHA-1withECDSA";
-            algorithms[TeleTrusTObjectIdentifiers.ECSignWithSha1.Id] = "SHA-1withECDSA";
-
-            algorithms["SHA224/ECDSA"] = "SHA-224withECDSA";
-            algorithms["SHA-224/ECDSA"] = "SHA-224withECDSA";
-            algorithms["ECDSAWITHSHA224"] = "SHA-224withECDSA";
-            algorithms["ECDSAWITHSHA-224"] = "SHA-224withECDSA";
-            algorithms["SHA224WITHECDSA"] = "SHA-224withECDSA";
-            algorithms["SHA-224WITHECDSA"] = "SHA-224withECDSA";
-            algorithms[X9ObjectIdentifiers.ECDsaWithSha224.Id] = "SHA-224withECDSA";
-
-            algorithms["SHA256/ECDSA"] = "SHA-256withECDSA";
-            algorithms["SHA-256/ECDSA"] = "SHA-256withECDSA";
-            algorithms["ECDSAWITHSHA256"] = "SHA-256withECDSA";
-            algorithms["ECDSAWITHSHA-256"] = "SHA-256withECDSA";
-            algorithms["SHA256WITHECDSA"] = "SHA-256withECDSA";
-            algorithms["SHA-256WITHECDSA"] = "SHA-256withECDSA";
-            algorithms[X9ObjectIdentifiers.ECDsaWithSha256.Id] = "SHA-256withECDSA";
-
-            algorithms["SHA384/ECDSA"] = "SHA-384withECDSA";
-            algorithms["SHA-384/ECDSA"] = "SHA-384withECDSA";
-            algorithms["ECDSAWITHSHA384"] = "SHA-384withECDSA";
-            algorithms["ECDSAWITHSHA-384"] = "SHA-384withECDSA";
-            algorithms["SHA384WITHECDSA"] = "SHA-384withECDSA";
-            algorithms["SHA-384WITHECDSA"] = "SHA-384withECDSA";
-            algorithms[X9ObjectIdentifiers.ECDsaWithSha384.Id] = "SHA-384withECDSA";
-
-            algorithms["SHA512/ECDSA"] = "SHA-512withECDSA";
-            algorithms["SHA-512/ECDSA"] = "SHA-512withECDSA";
-            algorithms["ECDSAWITHSHA512"] = "SHA-512withECDSA";
-            algorithms["ECDSAWITHSHA-512"] = "SHA-512withECDSA";
-            algorithms["SHA512WITHECDSA"] = "SHA-512withECDSA";
-            algorithms["SHA-512WITHECDSA"] = "SHA-512withECDSA";
-            algorithms[X9ObjectIdentifiers.ECDsaWithSha512.Id] = "SHA-512withECDSA";
-
-            algorithms["RIPEMD160/ECDSA"] = "RIPEMD160withECDSA";
-            algorithms["ECDSAWITHRIPEMD160"] = "RIPEMD160withECDSA";
-            algorithms["RIPEMD160WITHECDSA"] = "RIPEMD160withECDSA";
-            algorithms[TeleTrusTObjectIdentifiers.ECSignWithRipeMD160.Id] = "RIPEMD160withECDSA";
-
-            algorithms["NONEWITHCVC-ECDSA"] = "NONEwithCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHNONE"] = "NONEwithCVC-ECDSA";
-
-            algorithms["SHA1/CVC-ECDSA"] = "SHA-1withCVC-ECDSA";
-            algorithms["SHA-1/CVC-ECDSA"] = "SHA-1withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA1"] = "SHA-1withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA-1"] = "SHA-1withCVC-ECDSA";
-            algorithms["SHA1WITHCVC-ECDSA"] = "SHA-1withCVC-ECDSA";
-            algorithms["SHA-1WITHCVC-ECDSA"] = "SHA-1withCVC-ECDSA";
-            algorithms[EacObjectIdentifiers.id_TA_ECDSA_SHA_1.Id] = "SHA-1withCVC-ECDSA";
-
-            algorithms["SHA224/CVC-ECDSA"] = "SHA-224withCVC-ECDSA";
-            algorithms["SHA-224/CVC-ECDSA"] = "SHA-224withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA224"] = "SHA-224withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA-224"] = "SHA-224withCVC-ECDSA";
-            algorithms["SHA224WITHCVC-ECDSA"] = "SHA-224withCVC-ECDSA";
-            algorithms["SHA-224WITHCVC-ECDSA"] = "SHA-224withCVC-ECDSA";
-            algorithms[EacObjectIdentifiers.id_TA_ECDSA_SHA_224.Id] = "SHA-224withCVC-ECDSA";
-
-            algorithms["SHA256/CVC-ECDSA"] = "SHA-256withCVC-ECDSA";
-            algorithms["SHA-256/CVC-ECDSA"] = "SHA-256withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA256"] = "SHA-256withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA-256"] = "SHA-256withCVC-ECDSA";
-            algorithms["SHA256WITHCVC-ECDSA"] = "SHA-256withCVC-ECDSA";
-            algorithms["SHA-256WITHCVC-ECDSA"] = "SHA-256withCVC-ECDSA";
-            algorithms[EacObjectIdentifiers.id_TA_ECDSA_SHA_256.Id] = "SHA-256withCVC-ECDSA";
-
-            algorithms["SHA384/CVC-ECDSA"] = "SHA-384withCVC-ECDSA";
-            algorithms["SHA-384/CVC-ECDSA"] = "SHA-384withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA384"] = "SHA-384withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA-384"] = "SHA-384withCVC-ECDSA";
-            algorithms["SHA384WITHCVC-ECDSA"] = "SHA-384withCVC-ECDSA";
-            algorithms["SHA-384WITHCVC-ECDSA"] = "SHA-384withCVC-ECDSA";
-            algorithms[EacObjectIdentifiers.id_TA_ECDSA_SHA_384.Id] = "SHA-384withCVC-ECDSA";
-
-            algorithms["SHA512/CVC-ECDSA"] = "SHA-512withCVC-ECDSA";
-            algorithms["SHA-512/CVC-ECDSA"] = "SHA-512withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA512"] = "SHA-512withCVC-ECDSA";
-            algorithms["CVC-ECDSAWITHSHA-512"] = "SHA-512withCVC-ECDSA";
-            algorithms["SHA512WITHCVC-ECDSA"] = "SHA-512withCVC-ECDSA";
-            algorithms["SHA-512WITHCVC-ECDSA"] = "SHA-512withCVC-ECDSA";
-            algorithms[EacObjectIdentifiers.id_TA_ECDSA_SHA_512.Id] = "SHA-512withCVC-ECDSA";
-
-            algorithms["NONEWITHPLAIN-ECDSA"] = "NONEwithPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHNONE"] = "NONEwithPLAIN-ECDSA";
-
-            algorithms["SHA1/PLAIN-ECDSA"] = "SHA-1withPLAIN-ECDSA";
-            algorithms["SHA-1/PLAIN-ECDSA"] = "SHA-1withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA1"] = "SHA-1withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA-1"] = "SHA-1withPLAIN-ECDSA";
-            algorithms["SHA1WITHPLAIN-ECDSA"] = "SHA-1withPLAIN-ECDSA";
-            algorithms["SHA-1WITHPLAIN-ECDSA"] = "SHA-1withPLAIN-ECDSA";
-            algorithms[BsiObjectIdentifiers.ecdsa_plain_SHA1.Id] = "SHA-1withPLAIN-ECDSA";
-
-            algorithms["SHA224/PLAIN-ECDSA"] = "SHA-224withPLAIN-ECDSA";
-            algorithms["SHA-224/PLAIN-ECDSA"] = "SHA-224withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA224"] = "SHA-224withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA-224"] = "SHA-224withPLAIN-ECDSA";
-            algorithms["SHA224WITHPLAIN-ECDSA"] = "SHA-224withPLAIN-ECDSA";
-            algorithms["SHA-224WITHPLAIN-ECDSA"] = "SHA-224withPLAIN-ECDSA";
-            algorithms[BsiObjectIdentifiers.ecdsa_plain_SHA224.Id] = "SHA-224withPLAIN-ECDSA";
-
-            algorithms["SHA256/PLAIN-ECDSA"] = "SHA-256withPLAIN-ECDSA";
-            algorithms["SHA-256/PLAIN-ECDSA"] = "SHA-256withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA256"] = "SHA-256withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA-256"] = "SHA-256withPLAIN-ECDSA";
-            algorithms["SHA256WITHPLAIN-ECDSA"] = "SHA-256withPLAIN-ECDSA";
-            algorithms["SHA-256WITHPLAIN-ECDSA"] = "SHA-256withPLAIN-ECDSA";
-            algorithms[BsiObjectIdentifiers.ecdsa_plain_SHA256.Id] = "SHA-256withPLAIN-ECDSA";
-
-            algorithms["SHA384/PLAIN-ECDSA"] = "SHA-384withPLAIN-ECDSA";
-            algorithms["SHA-384/PLAIN-ECDSA"] = "SHA-384withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA384"] = "SHA-384withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA-384"] = "SHA-384withPLAIN-ECDSA";
-            algorithms["SHA384WITHPLAIN-ECDSA"] = "SHA-384withPLAIN-ECDSA";
-            algorithms["SHA-384WITHPLAIN-ECDSA"] = "SHA-384withPLAIN-ECDSA";
-            algorithms[BsiObjectIdentifiers.ecdsa_plain_SHA384.Id] = "SHA-384withPLAIN-ECDSA";
-
-            algorithms["SHA512/PLAIN-ECDSA"] = "SHA-512withPLAIN-ECDSA";
-            algorithms["SHA-512/PLAIN-ECDSA"] = "SHA-512withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA512"] = "SHA-512withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHSHA-512"] = "SHA-512withPLAIN-ECDSA";
-            algorithms["SHA512WITHPLAIN-ECDSA"] = "SHA-512withPLAIN-ECDSA";
-            algorithms["SHA-512WITHPLAIN-ECDSA"] = "SHA-512withPLAIN-ECDSA";
-            algorithms[BsiObjectIdentifiers.ecdsa_plain_SHA512.Id] = "SHA-512withPLAIN-ECDSA";
-
-            algorithms["RIPEMD160/PLAIN-ECDSA"] = "RIPEMD160withPLAIN-ECDSA";
-            algorithms["PLAIN-ECDSAWITHRIPEMD160"] = "RIPEMD160withPLAIN-ECDSA";
-            algorithms["RIPEMD160WITHPLAIN-ECDSA"] = "RIPEMD160withPLAIN-ECDSA";
-            algorithms[BsiObjectIdentifiers.ecdsa_plain_RIPEMD160.Id] = "RIPEMD160withPLAIN-ECDSA";
-
-            algorithms["SHA1WITHECNR"] = "SHA-1withECNR";
-            algorithms["SHA-1WITHECNR"] = "SHA-1withECNR";
-            algorithms["SHA224WITHECNR"] = "SHA-224withECNR";
-            algorithms["SHA-224WITHECNR"] = "SHA-224withECNR";
-            algorithms["SHA256WITHECNR"] = "SHA-256withECNR";
-            algorithms["SHA-256WITHECNR"] = "SHA-256withECNR";
-            algorithms["SHA384WITHECNR"] = "SHA-384withECNR";
-            algorithms["SHA-384WITHECNR"] = "SHA-384withECNR";
-            algorithms["SHA512WITHECNR"] = "SHA-512withECNR";
-            algorithms["SHA-512WITHECNR"] = "SHA-512withECNR";
-
-            algorithms["GOST-3410"] = "GOST3410";
-            algorithms["GOST-3410-94"] = "GOST3410";
-            algorithms["GOST3411WITHGOST3410"] = "GOST3410";
-            algorithms[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94.Id] = "GOST3410";
-
-            algorithms["ECGOST-3410"] = "ECGOST3410";
-            algorithms["ECGOST-3410-2001"] = "ECGOST3410";
-            algorithms["GOST3411WITHECGOST3410"] = "ECGOST3410";
-            algorithms[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001.Id] = "ECGOST3410";
-
-            algorithms["ED25519"] = "Ed25519";
-            algorithms[EdECObjectIdentifiers.id_Ed25519.Id] = "Ed25519";
-            algorithms["ED25519CTX"] = "Ed25519ctx";
-            algorithms["ED25519PH"] = "Ed25519ph";
-            algorithms["ED448"] = "Ed448";
-            algorithms[EdECObjectIdentifiers.id_Ed448.Id] = "Ed448";
-            algorithms["ED448PH"] = "Ed448ph";
-
-            algorithms["SHA256WITHSM2"] = "SHA256withSM2";
-            algorithms[GMObjectIdentifiers.sm2sign_with_sha256.Id] = "SHA256withSM2";
-            algorithms["SM3WITHSM2"] = "SM3withSM2";
-            algorithms[GMObjectIdentifiers.sm2sign_with_sm3.Id] = "SM3withSM2";
-
-            oids["MD2withRSA"] = PkcsObjectIdentifiers.MD2WithRsaEncryption;
-            oids["MD4withRSA"] = PkcsObjectIdentifiers.MD4WithRsaEncryption;
-            oids["MD5withRSA"] = PkcsObjectIdentifiers.MD5WithRsaEncryption;
-
-            oids["SHA-1withRSA"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
-            oids["SHA-224withRSA"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
-            oids["SHA-256withRSA"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
-            oids["SHA-384withRSA"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
-            oids["SHA-512withRSA"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
-            oids["SHA-512(224)withRSA"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
-            oids["SHA-512(256)withRSA"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
-            oids["SHA3-224withRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224;
-            oids["SHA3-256withRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256;
-            oids["SHA3-384withRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384;
-            oids["SHA3-512withRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512;
-
-            oids["PSSwithRSA"] = PkcsObjectIdentifiers.IdRsassaPss;
-            oids["SHA-1withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
-            oids["SHA-224withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
-            oids["SHA-256withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
-            oids["SHA-384withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
-            oids["SHA-512withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
-
-            oids["RIPEMD128withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128;
-            oids["RIPEMD160withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160;
-            oids["RIPEMD256withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256;
-
-            oids["SHA-1withDSA"] = X9ObjectIdentifiers.IdDsaWithSha1;
-
-            oids["SHA-1withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha1;
-            oids["SHA-224withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha224;
-            oids["SHA-256withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha256;
-            oids["SHA-384withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha384;
-            oids["SHA-512withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha512;
-            oids["RIPEMD160withECDSA"] = TeleTrusTObjectIdentifiers.ECSignWithRipeMD160;
-
-            oids["SHA-1withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_1;
-            oids["SHA-224withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_224;
-            oids["SHA-256withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_256;
-            oids["SHA-384withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_384;
-            oids["SHA-512withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_512;
-
-            oids["SHA-1withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA1;
-            oids["SHA-224withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA224;
-            oids["SHA-256withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA256;
-            oids["SHA-384withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA384;
-            oids["SHA-512withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA512;
-            oids["RIPEMD160withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_RIPEMD160;
-
-            oids["GOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94;
-            oids["ECGOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001;
-
-            oids["Ed25519"] = EdECObjectIdentifiers.id_Ed25519;
-            oids["Ed448"] = EdECObjectIdentifiers.id_Ed448;
-
-            oids["SHA256withSM2"] = GMObjectIdentifiers.sm2sign_with_sha256;
-            oids["SM3withSM2"] = GMObjectIdentifiers.sm2sign_with_sm3;
+            AlgorithmMap["MD2WITHRSA"] = "MD2withRSA";
+            AlgorithmMap["MD2WITHRSAENCRYPTION"] = "MD2withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.MD2WithRsaEncryption.Id] = "MD2withRSA";
+
+            AlgorithmMap["MD4WITHRSA"] = "MD4withRSA";
+            AlgorithmMap["MD4WITHRSAENCRYPTION"] = "MD4withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.MD4WithRsaEncryption.Id] = "MD4withRSA";
+            AlgorithmMap[OiwObjectIdentifiers.MD4WithRsa.Id] = "MD4withRSA";
+			AlgorithmMap[OiwObjectIdentifiers.MD4WithRsaEncryption.Id] = "MD4withRSA";
+
+			AlgorithmMap["MD5WITHRSA"] = "MD5withRSA";
+            AlgorithmMap["MD5WITHRSAENCRYPTION"] = "MD5withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.MD5WithRsaEncryption.Id] = "MD5withRSA";
+            AlgorithmMap[OiwObjectIdentifiers.MD5WithRsa.Id] = "MD5withRSA";
+
+            AlgorithmMap["SHA1WITHRSA"] = "SHA-1withRSA";
+            AlgorithmMap["SHA-1WITHRSA"] = "SHA-1withRSA";
+            AlgorithmMap["SHA1WITHRSAENCRYPTION"] = "SHA-1withRSA";
+            AlgorithmMap["SHA-1WITHRSAENCRYPTION"] = "SHA-1withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.Sha1WithRsaEncryption.Id] = "SHA-1withRSA";
+            AlgorithmMap[OiwObjectIdentifiers.Sha1WithRsa.Id] = "SHA-1withRSA";
+
+            AlgorithmMap["SHA224WITHRSA"] = "SHA-224withRSA";
+            AlgorithmMap["SHA-224WITHRSA"] = "SHA-224withRSA";
+            AlgorithmMap["SHA224WITHRSAENCRYPTION"] = "SHA-224withRSA";
+            AlgorithmMap["SHA-224WITHRSAENCRYPTION"] = "SHA-224withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.Sha224WithRsaEncryption.Id] = "SHA-224withRSA";
+
+            AlgorithmMap["SHA256WITHRSA"] = "SHA-256withRSA";
+            AlgorithmMap["SHA-256WITHRSA"] = "SHA-256withRSA";
+            AlgorithmMap["SHA256WITHRSAENCRYPTION"] = "SHA-256withRSA";
+            AlgorithmMap["SHA-256WITHRSAENCRYPTION"] = "SHA-256withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.Sha256WithRsaEncryption.Id] = "SHA-256withRSA";
+
+            AlgorithmMap["SHA384WITHRSA"] = "SHA-384withRSA";
+            AlgorithmMap["SHA-384WITHRSA"] = "SHA-384withRSA";
+            AlgorithmMap["SHA384WITHRSAENCRYPTION"] = "SHA-384withRSA";
+            AlgorithmMap["SHA-384WITHRSAENCRYPTION"] = "SHA-384withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.Sha384WithRsaEncryption.Id] = "SHA-384withRSA";
+
+            AlgorithmMap["SHA512WITHRSA"] = "SHA-512withRSA";
+            AlgorithmMap["SHA-512WITHRSA"] = "SHA-512withRSA";
+            AlgorithmMap["SHA512WITHRSAENCRYPTION"] = "SHA-512withRSA";
+            AlgorithmMap["SHA-512WITHRSAENCRYPTION"] = "SHA-512withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.Sha512WithRsaEncryption.Id] = "SHA-512withRSA";
+
+            AlgorithmMap["SHA512(224)WITHRSA"] = "SHA-512(224)withRSA";
+            AlgorithmMap["SHA-512(224)WITHRSA"] = "SHA-512(224)withRSA";
+            AlgorithmMap["SHA512(224)WITHRSAENCRYPTION"] = "SHA-512(224)withRSA";
+            AlgorithmMap["SHA-512(224)WITHRSAENCRYPTION"] = "SHA-512(224)withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.Sha512_224WithRSAEncryption.Id] = "SHA-512(224)withRSA";
+
+            AlgorithmMap["SHA512(256)WITHRSA"] = "SHA-512(256)withRSA";
+            AlgorithmMap["SHA-512(256)WITHRSA"] = "SHA-512(256)withRSA";
+            AlgorithmMap["SHA512(256)WITHRSAENCRYPTION"] = "SHA-512(256)withRSA";
+            AlgorithmMap["SHA-512(256)WITHRSAENCRYPTION"] = "SHA-512(256)withRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.Sha512_256WithRSAEncryption.Id] = "SHA-512(256)withRSA";
+
+            AlgorithmMap["SHA3-224WITHRSA"] = "SHA3-224withRSA";
+            AlgorithmMap["SHA3-224WITHRSAENCRYPTION"] = "SHA3-224withRSA";
+            AlgorithmMap[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224.Id] = "SHA3-224withRSA";
+            AlgorithmMap["SHA3-256WITHRSA"] = "SHA3-256withRSA";
+            AlgorithmMap["SHA3-256WITHRSAENCRYPTION"] = "SHA3-256withRSA";
+            AlgorithmMap[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256.Id] = "SHA3-256withRSA";
+            AlgorithmMap["SHA3-384WITHRSA"] = "SHA3-384withRSA";
+            AlgorithmMap["SHA3-384WITHRSAENCRYPTION"] = "SHA3-384withRSA";
+            AlgorithmMap[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384.Id] = "SHA3-384withRSA";
+            AlgorithmMap["SHA3-512WITHRSA"] = "SHA3-512withRSA";
+            AlgorithmMap["SHA3-512WITHRSAENCRYPTION"] = "SHA3-512withRSA";
+            AlgorithmMap[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512.Id] = "SHA3-512withRSA";
+
+            AlgorithmMap["PSSWITHRSA"] = "PSSwithRSA";
+            AlgorithmMap["RSASSA-PSS"] = "PSSwithRSA";
+            AlgorithmMap[PkcsObjectIdentifiers.IdRsassaPss.Id] = "PSSwithRSA";
+            AlgorithmMap["RSAPSS"] = "PSSwithRSA";
+
+            AlgorithmMap["SHA1WITHRSAANDMGF1"] = "SHA-1withRSAandMGF1";
+            AlgorithmMap["SHA-1WITHRSAANDMGF1"] = "SHA-1withRSAandMGF1";
+            AlgorithmMap["SHA1WITHRSA/PSS"] = "SHA-1withRSAandMGF1";
+            AlgorithmMap["SHA-1WITHRSA/PSS"] = "SHA-1withRSAandMGF1";
+            AlgorithmMap["SHA1WITHRSASSA-PSS"] = "SHA-1withRSAandMGF1";
+            AlgorithmMap["SHA-1WITHRSASSA-PSS"] = "SHA-1withRSAandMGF1";
+
+            AlgorithmMap["SHA224WITHRSAANDMGF1"] = "SHA-224withRSAandMGF1";
+            AlgorithmMap["SHA-224WITHRSAANDMGF1"] = "SHA-224withRSAandMGF1";
+            AlgorithmMap["SHA224WITHRSA/PSS"] = "SHA-224withRSAandMGF1";
+            AlgorithmMap["SHA-224WITHRSA/PSS"] = "SHA-224withRSAandMGF1";
+            AlgorithmMap["SHA224WITHRSASSA-PSS"] = "SHA-224withRSAandMGF1";
+            AlgorithmMap["SHA-224WITHRSASSA-PSS"] = "SHA-224withRSAandMGF1";
+
+            AlgorithmMap["SHA256WITHRSAANDMGF1"] = "SHA-256withRSAandMGF1";
+            AlgorithmMap["SHA-256WITHRSAANDMGF1"] = "SHA-256withRSAandMGF1";
+            AlgorithmMap["SHA256WITHRSA/PSS"] = "SHA-256withRSAandMGF1";
+            AlgorithmMap["SHA-256WITHRSA/PSS"] = "SHA-256withRSAandMGF1";
+            AlgorithmMap["SHA256WITHRSASSA-PSS"] = "SHA-256withRSAandMGF1";
+            AlgorithmMap["SHA-256WITHRSASSA-PSS"] = "SHA-256withRSAandMGF1";
+
+            AlgorithmMap["SHA384WITHRSAANDMGF1"] = "SHA-384withRSAandMGF1";
+            AlgorithmMap["SHA-384WITHRSAANDMGF1"] = "SHA-384withRSAandMGF1";
+            AlgorithmMap["SHA384WITHRSA/PSS"] = "SHA-384withRSAandMGF1";
+            AlgorithmMap["SHA-384WITHRSA/PSS"] = "SHA-384withRSAandMGF1";
+            AlgorithmMap["SHA384WITHRSASSA-PSS"] = "SHA-384withRSAandMGF1";
+            AlgorithmMap["SHA-384WITHRSASSA-PSS"] = "SHA-384withRSAandMGF1";
+
+            AlgorithmMap["SHA512WITHRSAANDMGF1"] = "SHA-512withRSAandMGF1";
+            AlgorithmMap["SHA-512WITHRSAANDMGF1"] = "SHA-512withRSAandMGF1";
+            AlgorithmMap["SHA512WITHRSA/PSS"] = "SHA-512withRSAandMGF1";
+            AlgorithmMap["SHA-512WITHRSA/PSS"] = "SHA-512withRSAandMGF1";
+            AlgorithmMap["SHA512WITHRSASSA-PSS"] = "SHA-512withRSAandMGF1";
+            AlgorithmMap["SHA-512WITHRSASSA-PSS"] = "SHA-512withRSAandMGF1";
+
+            AlgorithmMap["RIPEMD128WITHRSA"] = "RIPEMD128withRSA";
+            AlgorithmMap["RIPEMD128WITHRSAENCRYPTION"] = "RIPEMD128withRSA";
+            AlgorithmMap[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128.Id] = "RIPEMD128withRSA";
+
+            AlgorithmMap["RIPEMD160WITHRSA"] = "RIPEMD160withRSA";
+            AlgorithmMap["RIPEMD160WITHRSAENCRYPTION"] = "RIPEMD160withRSA";
+            AlgorithmMap[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160.Id] = "RIPEMD160withRSA";
+
+            AlgorithmMap["RIPEMD256WITHRSA"] = "RIPEMD256withRSA";
+            AlgorithmMap["RIPEMD256WITHRSAENCRYPTION"] = "RIPEMD256withRSA";
+            AlgorithmMap[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256.Id] = "RIPEMD256withRSA";
+
+            AlgorithmMap["NONEWITHRSA"] = "RSA";
+            AlgorithmMap["RSAWITHNONE"] = "RSA";
+            AlgorithmMap["RAWRSA"] = "RSA";
+
+            AlgorithmMap["RAWRSAPSS"] = "RAWRSASSA-PSS";
+            AlgorithmMap["NONEWITHRSAPSS"] = "RAWRSASSA-PSS";
+            AlgorithmMap["NONEWITHRSASSA-PSS"] = "RAWRSASSA-PSS";
+
+            AlgorithmMap["NONEWITHDSA"] = "NONEwithDSA";
+            AlgorithmMap["DSAWITHNONE"] = "NONEwithDSA";
+            AlgorithmMap["RAWDSA"] = "NONEwithDSA";
+
+            AlgorithmMap["DSA"] = "SHA-1withDSA";
+            AlgorithmMap["DSAWITHSHA1"] = "SHA-1withDSA";
+            AlgorithmMap["DSAWITHSHA-1"] = "SHA-1withDSA";
+            AlgorithmMap["SHA/DSA"] = "SHA-1withDSA";
+            AlgorithmMap["SHA1/DSA"] = "SHA-1withDSA";
+            AlgorithmMap["SHA-1/DSA"] = "SHA-1withDSA";
+            AlgorithmMap["SHA1WITHDSA"] = "SHA-1withDSA";
+            AlgorithmMap["SHA-1WITHDSA"] = "SHA-1withDSA";
+            AlgorithmMap[X9ObjectIdentifiers.IdDsaWithSha1.Id] = "SHA-1withDSA";
+            AlgorithmMap[OiwObjectIdentifiers.DsaWithSha1.Id] = "SHA-1withDSA";
+
+            AlgorithmMap["DSAWITHSHA224"] = "SHA-224withDSA";
+            AlgorithmMap["DSAWITHSHA-224"] = "SHA-224withDSA";
+            AlgorithmMap["SHA224/DSA"] = "SHA-224withDSA";
+            AlgorithmMap["SHA-224/DSA"] = "SHA-224withDSA";
+            AlgorithmMap["SHA224WITHDSA"] = "SHA-224withDSA";
+            AlgorithmMap["SHA-224WITHDSA"] = "SHA-224withDSA";
+            AlgorithmMap[NistObjectIdentifiers.DsaWithSha224.Id] = "SHA-224withDSA";
+
+            AlgorithmMap["DSAWITHSHA256"] = "SHA-256withDSA";
+            AlgorithmMap["DSAWITHSHA-256"] = "SHA-256withDSA";
+            AlgorithmMap["SHA256/DSA"] = "SHA-256withDSA";
+            AlgorithmMap["SHA-256/DSA"] = "SHA-256withDSA";
+            AlgorithmMap["SHA256WITHDSA"] = "SHA-256withDSA";
+            AlgorithmMap["SHA-256WITHDSA"] = "SHA-256withDSA";
+            AlgorithmMap[NistObjectIdentifiers.DsaWithSha256.Id] = "SHA-256withDSA";
+
+            AlgorithmMap["DSAWITHSHA384"] = "SHA-384withDSA";
+            AlgorithmMap["DSAWITHSHA-384"] = "SHA-384withDSA";
+            AlgorithmMap["SHA384/DSA"] = "SHA-384withDSA";
+            AlgorithmMap["SHA-384/DSA"] = "SHA-384withDSA";
+            AlgorithmMap["SHA384WITHDSA"] = "SHA-384withDSA";
+            AlgorithmMap["SHA-384WITHDSA"] = "SHA-384withDSA";
+            AlgorithmMap[NistObjectIdentifiers.DsaWithSha384.Id] = "SHA-384withDSA";
+
+            AlgorithmMap["DSAWITHSHA512"] = "SHA-512withDSA";
+            AlgorithmMap["DSAWITHSHA-512"] = "SHA-512withDSA";
+            AlgorithmMap["SHA512/DSA"] = "SHA-512withDSA";
+            AlgorithmMap["SHA-512/DSA"] = "SHA-512withDSA";
+            AlgorithmMap["SHA512WITHDSA"] = "SHA-512withDSA";
+            AlgorithmMap["SHA-512WITHDSA"] = "SHA-512withDSA";
+            AlgorithmMap[NistObjectIdentifiers.DsaWithSha512.Id] = "SHA-512withDSA";
+
+            AlgorithmMap["NONEWITHECDSA"] = "NONEwithECDSA";
+            AlgorithmMap["ECDSAWITHNONE"] = "NONEwithECDSA";
+
+            AlgorithmMap["ECDSA"] = "SHA-1withECDSA";
+            AlgorithmMap["SHA1/ECDSA"] = "SHA-1withECDSA";
+            AlgorithmMap["SHA-1/ECDSA"] = "SHA-1withECDSA";
+            AlgorithmMap["ECDSAWITHSHA1"] = "SHA-1withECDSA";
+            AlgorithmMap["ECDSAWITHSHA-1"] = "SHA-1withECDSA";
+            AlgorithmMap["SHA1WITHECDSA"] = "SHA-1withECDSA";
+            AlgorithmMap["SHA-1WITHECDSA"] = "SHA-1withECDSA";
+            AlgorithmMap[X9ObjectIdentifiers.ECDsaWithSha1.Id] = "SHA-1withECDSA";
+            AlgorithmMap[TeleTrusTObjectIdentifiers.ECSignWithSha1.Id] = "SHA-1withECDSA";
+
+            AlgorithmMap["SHA224/ECDSA"] = "SHA-224withECDSA";
+            AlgorithmMap["SHA-224/ECDSA"] = "SHA-224withECDSA";
+            AlgorithmMap["ECDSAWITHSHA224"] = "SHA-224withECDSA";
+            AlgorithmMap["ECDSAWITHSHA-224"] = "SHA-224withECDSA";
+            AlgorithmMap["SHA224WITHECDSA"] = "SHA-224withECDSA";
+            AlgorithmMap["SHA-224WITHECDSA"] = "SHA-224withECDSA";
+            AlgorithmMap[X9ObjectIdentifiers.ECDsaWithSha224.Id] = "SHA-224withECDSA";
+
+            AlgorithmMap["SHA256/ECDSA"] = "SHA-256withECDSA";
+            AlgorithmMap["SHA-256/ECDSA"] = "SHA-256withECDSA";
+            AlgorithmMap["ECDSAWITHSHA256"] = "SHA-256withECDSA";
+            AlgorithmMap["ECDSAWITHSHA-256"] = "SHA-256withECDSA";
+            AlgorithmMap["SHA256WITHECDSA"] = "SHA-256withECDSA";
+            AlgorithmMap["SHA-256WITHECDSA"] = "SHA-256withECDSA";
+            AlgorithmMap[X9ObjectIdentifiers.ECDsaWithSha256.Id] = "SHA-256withECDSA";
+
+            AlgorithmMap["SHA384/ECDSA"] = "SHA-384withECDSA";
+            AlgorithmMap["SHA-384/ECDSA"] = "SHA-384withECDSA";
+            AlgorithmMap["ECDSAWITHSHA384"] = "SHA-384withECDSA";
+            AlgorithmMap["ECDSAWITHSHA-384"] = "SHA-384withECDSA";
+            AlgorithmMap["SHA384WITHECDSA"] = "SHA-384withECDSA";
+            AlgorithmMap["SHA-384WITHECDSA"] = "SHA-384withECDSA";
+            AlgorithmMap[X9ObjectIdentifiers.ECDsaWithSha384.Id] = "SHA-384withECDSA";
+
+            AlgorithmMap["SHA512/ECDSA"] = "SHA-512withECDSA";
+            AlgorithmMap["SHA-512/ECDSA"] = "SHA-512withECDSA";
+            AlgorithmMap["ECDSAWITHSHA512"] = "SHA-512withECDSA";
+            AlgorithmMap["ECDSAWITHSHA-512"] = "SHA-512withECDSA";
+            AlgorithmMap["SHA512WITHECDSA"] = "SHA-512withECDSA";
+            AlgorithmMap["SHA-512WITHECDSA"] = "SHA-512withECDSA";
+            AlgorithmMap[X9ObjectIdentifiers.ECDsaWithSha512.Id] = "SHA-512withECDSA";
+
+            AlgorithmMap["RIPEMD160/ECDSA"] = "RIPEMD160withECDSA";
+            AlgorithmMap["ECDSAWITHRIPEMD160"] = "RIPEMD160withECDSA";
+            AlgorithmMap["RIPEMD160WITHECDSA"] = "RIPEMD160withECDSA";
+            AlgorithmMap[TeleTrusTObjectIdentifiers.ECSignWithRipeMD160.Id] = "RIPEMD160withECDSA";
+
+            AlgorithmMap["NONEWITHCVC-ECDSA"] = "NONEwithCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHNONE"] = "NONEwithCVC-ECDSA";
+
+            AlgorithmMap["SHA1/CVC-ECDSA"] = "SHA-1withCVC-ECDSA";
+            AlgorithmMap["SHA-1/CVC-ECDSA"] = "SHA-1withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA1"] = "SHA-1withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA-1"] = "SHA-1withCVC-ECDSA";
+            AlgorithmMap["SHA1WITHCVC-ECDSA"] = "SHA-1withCVC-ECDSA";
+            AlgorithmMap["SHA-1WITHCVC-ECDSA"] = "SHA-1withCVC-ECDSA";
+            AlgorithmMap[EacObjectIdentifiers.id_TA_ECDSA_SHA_1.Id] = "SHA-1withCVC-ECDSA";
+
+            AlgorithmMap["SHA224/CVC-ECDSA"] = "SHA-224withCVC-ECDSA";
+            AlgorithmMap["SHA-224/CVC-ECDSA"] = "SHA-224withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA224"] = "SHA-224withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA-224"] = "SHA-224withCVC-ECDSA";
+            AlgorithmMap["SHA224WITHCVC-ECDSA"] = "SHA-224withCVC-ECDSA";
+            AlgorithmMap["SHA-224WITHCVC-ECDSA"] = "SHA-224withCVC-ECDSA";
+            AlgorithmMap[EacObjectIdentifiers.id_TA_ECDSA_SHA_224.Id] = "SHA-224withCVC-ECDSA";
+
+            AlgorithmMap["SHA256/CVC-ECDSA"] = "SHA-256withCVC-ECDSA";
+            AlgorithmMap["SHA-256/CVC-ECDSA"] = "SHA-256withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA256"] = "SHA-256withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA-256"] = "SHA-256withCVC-ECDSA";
+            AlgorithmMap["SHA256WITHCVC-ECDSA"] = "SHA-256withCVC-ECDSA";
+            AlgorithmMap["SHA-256WITHCVC-ECDSA"] = "SHA-256withCVC-ECDSA";
+            AlgorithmMap[EacObjectIdentifiers.id_TA_ECDSA_SHA_256.Id] = "SHA-256withCVC-ECDSA";
+
+            AlgorithmMap["SHA384/CVC-ECDSA"] = "SHA-384withCVC-ECDSA";
+            AlgorithmMap["SHA-384/CVC-ECDSA"] = "SHA-384withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA384"] = "SHA-384withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA-384"] = "SHA-384withCVC-ECDSA";
+            AlgorithmMap["SHA384WITHCVC-ECDSA"] = "SHA-384withCVC-ECDSA";
+            AlgorithmMap["SHA-384WITHCVC-ECDSA"] = "SHA-384withCVC-ECDSA";
+            AlgorithmMap[EacObjectIdentifiers.id_TA_ECDSA_SHA_384.Id] = "SHA-384withCVC-ECDSA";
+
+            AlgorithmMap["SHA512/CVC-ECDSA"] = "SHA-512withCVC-ECDSA";
+            AlgorithmMap["SHA-512/CVC-ECDSA"] = "SHA-512withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA512"] = "SHA-512withCVC-ECDSA";
+            AlgorithmMap["CVC-ECDSAWITHSHA-512"] = "SHA-512withCVC-ECDSA";
+            AlgorithmMap["SHA512WITHCVC-ECDSA"] = "SHA-512withCVC-ECDSA";
+            AlgorithmMap["SHA-512WITHCVC-ECDSA"] = "SHA-512withCVC-ECDSA";
+            AlgorithmMap[EacObjectIdentifiers.id_TA_ECDSA_SHA_512.Id] = "SHA-512withCVC-ECDSA";
+
+            AlgorithmMap["NONEWITHPLAIN-ECDSA"] = "NONEwithPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHNONE"] = "NONEwithPLAIN-ECDSA";
+
+            AlgorithmMap["SHA1/PLAIN-ECDSA"] = "SHA-1withPLAIN-ECDSA";
+            AlgorithmMap["SHA-1/PLAIN-ECDSA"] = "SHA-1withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA1"] = "SHA-1withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA-1"] = "SHA-1withPLAIN-ECDSA";
+            AlgorithmMap["SHA1WITHPLAIN-ECDSA"] = "SHA-1withPLAIN-ECDSA";
+            AlgorithmMap["SHA-1WITHPLAIN-ECDSA"] = "SHA-1withPLAIN-ECDSA";
+            AlgorithmMap[BsiObjectIdentifiers.ecdsa_plain_SHA1.Id] = "SHA-1withPLAIN-ECDSA";
+
+            AlgorithmMap["SHA224/PLAIN-ECDSA"] = "SHA-224withPLAIN-ECDSA";
+            AlgorithmMap["SHA-224/PLAIN-ECDSA"] = "SHA-224withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA224"] = "SHA-224withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA-224"] = "SHA-224withPLAIN-ECDSA";
+            AlgorithmMap["SHA224WITHPLAIN-ECDSA"] = "SHA-224withPLAIN-ECDSA";
+            AlgorithmMap["SHA-224WITHPLAIN-ECDSA"] = "SHA-224withPLAIN-ECDSA";
+            AlgorithmMap[BsiObjectIdentifiers.ecdsa_plain_SHA224.Id] = "SHA-224withPLAIN-ECDSA";
+
+            AlgorithmMap["SHA256/PLAIN-ECDSA"] = "SHA-256withPLAIN-ECDSA";
+            AlgorithmMap["SHA-256/PLAIN-ECDSA"] = "SHA-256withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA256"] = "SHA-256withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA-256"] = "SHA-256withPLAIN-ECDSA";
+            AlgorithmMap["SHA256WITHPLAIN-ECDSA"] = "SHA-256withPLAIN-ECDSA";
+            AlgorithmMap["SHA-256WITHPLAIN-ECDSA"] = "SHA-256withPLAIN-ECDSA";
+            AlgorithmMap[BsiObjectIdentifiers.ecdsa_plain_SHA256.Id] = "SHA-256withPLAIN-ECDSA";
+
+            AlgorithmMap["SHA384/PLAIN-ECDSA"] = "SHA-384withPLAIN-ECDSA";
+            AlgorithmMap["SHA-384/PLAIN-ECDSA"] = "SHA-384withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA384"] = "SHA-384withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA-384"] = "SHA-384withPLAIN-ECDSA";
+            AlgorithmMap["SHA384WITHPLAIN-ECDSA"] = "SHA-384withPLAIN-ECDSA";
+            AlgorithmMap["SHA-384WITHPLAIN-ECDSA"] = "SHA-384withPLAIN-ECDSA";
+            AlgorithmMap[BsiObjectIdentifiers.ecdsa_plain_SHA384.Id] = "SHA-384withPLAIN-ECDSA";
+
+            AlgorithmMap["SHA512/PLAIN-ECDSA"] = "SHA-512withPLAIN-ECDSA";
+            AlgorithmMap["SHA-512/PLAIN-ECDSA"] = "SHA-512withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA512"] = "SHA-512withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHSHA-512"] = "SHA-512withPLAIN-ECDSA";
+            AlgorithmMap["SHA512WITHPLAIN-ECDSA"] = "SHA-512withPLAIN-ECDSA";
+            AlgorithmMap["SHA-512WITHPLAIN-ECDSA"] = "SHA-512withPLAIN-ECDSA";
+            AlgorithmMap[BsiObjectIdentifiers.ecdsa_plain_SHA512.Id] = "SHA-512withPLAIN-ECDSA";
+
+            AlgorithmMap["RIPEMD160/PLAIN-ECDSA"] = "RIPEMD160withPLAIN-ECDSA";
+            AlgorithmMap["PLAIN-ECDSAWITHRIPEMD160"] = "RIPEMD160withPLAIN-ECDSA";
+            AlgorithmMap["RIPEMD160WITHPLAIN-ECDSA"] = "RIPEMD160withPLAIN-ECDSA";
+            AlgorithmMap[BsiObjectIdentifiers.ecdsa_plain_RIPEMD160.Id] = "RIPEMD160withPLAIN-ECDSA";
+
+            AlgorithmMap["SHA1WITHECNR"] = "SHA-1withECNR";
+            AlgorithmMap["SHA-1WITHECNR"] = "SHA-1withECNR";
+            AlgorithmMap["SHA224WITHECNR"] = "SHA-224withECNR";
+            AlgorithmMap["SHA-224WITHECNR"] = "SHA-224withECNR";
+            AlgorithmMap["SHA256WITHECNR"] = "SHA-256withECNR";
+            AlgorithmMap["SHA-256WITHECNR"] = "SHA-256withECNR";
+            AlgorithmMap["SHA384WITHECNR"] = "SHA-384withECNR";
+            AlgorithmMap["SHA-384WITHECNR"] = "SHA-384withECNR";
+            AlgorithmMap["SHA512WITHECNR"] = "SHA-512withECNR";
+            AlgorithmMap["SHA-512WITHECNR"] = "SHA-512withECNR";
+
+            AlgorithmMap["GOST-3410"] = "GOST3410";
+            AlgorithmMap["GOST-3410-94"] = "GOST3410";
+            AlgorithmMap["GOST3411WITHGOST3410"] = "GOST3410";
+            AlgorithmMap[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94.Id] = "GOST3410";
+
+            AlgorithmMap["ECGOST-3410"] = "ECGOST3410";
+            AlgorithmMap["ECGOST-3410-2001"] = "ECGOST3410";
+            AlgorithmMap["GOST3411WITHECGOST3410"] = "ECGOST3410";
+            AlgorithmMap[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001.Id] = "ECGOST3410";
+
+            AlgorithmMap["ED25519"] = "Ed25519";
+            AlgorithmMap[EdECObjectIdentifiers.id_Ed25519.Id] = "Ed25519";
+            AlgorithmMap["ED25519CTX"] = "Ed25519ctx";
+            AlgorithmMap["ED25519PH"] = "Ed25519ph";
+            AlgorithmMap["ED448"] = "Ed448";
+            AlgorithmMap[EdECObjectIdentifiers.id_Ed448.Id] = "Ed448";
+            AlgorithmMap["ED448PH"] = "Ed448ph";
+
+            AlgorithmMap["SHA256WITHSM2"] = "SHA256withSM2";
+            AlgorithmMap[GMObjectIdentifiers.sm2sign_with_sha256.Id] = "SHA256withSM2";
+            AlgorithmMap["SM3WITHSM2"] = "SM3withSM2";
+            AlgorithmMap[GMObjectIdentifiers.sm2sign_with_sm3.Id] = "SM3withSM2";
+
+            Oids["MD2withRSA"] = PkcsObjectIdentifiers.MD2WithRsaEncryption;
+            Oids["MD4withRSA"] = PkcsObjectIdentifiers.MD4WithRsaEncryption;
+            Oids["MD5withRSA"] = PkcsObjectIdentifiers.MD5WithRsaEncryption;
+
+            Oids["SHA-1withRSA"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
+            Oids["SHA-224withRSA"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
+            Oids["SHA-256withRSA"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
+            Oids["SHA-384withRSA"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
+            Oids["SHA-512withRSA"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
+            Oids["SHA-512(224)withRSA"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
+            Oids["SHA-512(256)withRSA"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
+            Oids["SHA3-224withRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224;
+            Oids["SHA3-256withRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256;
+            Oids["SHA3-384withRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384;
+            Oids["SHA3-512withRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512;
+
+            Oids["PSSwithRSA"] = PkcsObjectIdentifiers.IdRsassaPss;
+            Oids["SHA-1withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
+            Oids["SHA-224withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
+            Oids["SHA-256withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
+            Oids["SHA-384withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
+            Oids["SHA-512withRSAandMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
+
+            Oids["RIPEMD128withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128;
+            Oids["RIPEMD160withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160;
+            Oids["RIPEMD256withRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256;
+
+            Oids["SHA-1withDSA"] = X9ObjectIdentifiers.IdDsaWithSha1;
+
+            Oids["SHA-1withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha1;
+            Oids["SHA-224withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha224;
+            Oids["SHA-256withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha256;
+            Oids["SHA-384withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha384;
+            Oids["SHA-512withECDSA"] = X9ObjectIdentifiers.ECDsaWithSha512;
+            Oids["RIPEMD160withECDSA"] = TeleTrusTObjectIdentifiers.ECSignWithRipeMD160;
+
+            Oids["SHA-1withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_1;
+            Oids["SHA-224withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_224;
+            Oids["SHA-256withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_256;
+            Oids["SHA-384withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_384;
+            Oids["SHA-512withCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_512;
+
+            Oids["SHA-1withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA1;
+            Oids["SHA-224withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA224;
+            Oids["SHA-256withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA256;
+            Oids["SHA-384withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA384;
+            Oids["SHA-512withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA512;
+            Oids["RIPEMD160withPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_RIPEMD160;
+
+            Oids["GOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94;
+            Oids["ECGOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001;
+
+            Oids["Ed25519"] = EdECObjectIdentifiers.id_Ed25519;
+            Oids["Ed448"] = EdECObjectIdentifiers.id_Ed448;
+
+            Oids["SHA256withSM2"] = GMObjectIdentifiers.sm2sign_with_sha256;
+            Oids["SM3withSM2"] = GMObjectIdentifiers.sm2sign_with_sm3;
         }
 
         /// <summary>
@@ -455,44 +452,32 @@ namespace Org.BouncyCastle.Security
         /// <param name="mechanism">A string representation of the encoding.</param>
         /// <returns>A DerObjectIdentifier, null if the OID is not available.</returns>
         // TODO Don't really want to support this
-        public static DerObjectIdentifier GetObjectIdentifier(
-            string mechanism)
+        public static DerObjectIdentifier GetObjectIdentifier(string mechanism)
         {
             if (mechanism == null)
-                throw new ArgumentNullException("mechanism");
+                throw new ArgumentNullException(nameof(mechanism));
 
-            mechanism = Platform.ToUpperInvariant(mechanism);
-            string aliased = (string) algorithms[mechanism];
+            string algorithm = CollectionUtilities.GetValueOrKey(AlgorithmMap, mechanism);
 
-            if (aliased != null)
-                mechanism = aliased;
-
-            return (DerObjectIdentifier) oids[mechanism];
+            return CollectionUtilities.GetValueOrNull(Oids, algorithm);
         }
 
-        public static ICollection Algorithms
+        public static ICollection<string> Algorithms
         {
-            get { return oids.Keys; }
+            get { return CollectionUtilities.ReadOnly(Oids.Keys); }
         }
 
-        public static Asn1Encodable GetDefaultX509Parameters(
-            DerObjectIdentifier id)
+        public static Asn1Encodable GetDefaultX509Parameters(DerObjectIdentifier id)
         {
             return GetDefaultX509Parameters(id.Id);
         }
 
-        public static Asn1Encodable GetDefaultX509Parameters(
-            string algorithm)
+        public static Asn1Encodable GetDefaultX509Parameters(string algorithm)
         {
             if (algorithm == null)
-                throw new ArgumentNullException("algorithm");
-
-            algorithm = Platform.ToUpperInvariant(algorithm);
+                throw new ArgumentNullException(nameof(algorithm));
 
-            string mechanism = (string) algorithms[algorithm];
-
-            if (mechanism == null)
-                mechanism = algorithm;
+            string mechanism = CollectionUtilities.GetValueOrKey(AlgorithmMap, algorithm);
 
             if (mechanism == "PSSwithRSA")
             {
@@ -525,24 +510,17 @@ namespace Org.BouncyCastle.Security
                 new DerInteger(saltLen), new DerInteger(1));
         }
 
-        public static ISigner GetSigner(
-            DerObjectIdentifier id)
+        public static ISigner GetSigner(DerObjectIdentifier id)
         {
             return GetSigner(id.Id);
         }
 
-        public static ISigner GetSigner(
-            string algorithm)
+        public static ISigner GetSigner(string algorithm)
         {
             if (algorithm == null)
-                throw new ArgumentNullException("algorithm");
-
-            algorithm = Platform.ToUpperInvariant(algorithm);
+                throw new ArgumentNullException(nameof(algorithm));
 
-            string mechanism = (string) algorithms[algorithm];
-
-            if (mechanism == null)
-                mechanism = algorithm;
+            string mechanism = CollectionUtilities.GetValueOrKey(AlgorithmMap, algorithm.ToUpperInvariant());
 
             if (Platform.StartsWith(mechanism, "Ed"))
             {
@@ -677,10 +655,9 @@ namespace Org.BouncyCastle.Security
             throw new SecurityUtilityException("Signer " + algorithm + " not recognised.");
         }
 
-        public static string GetEncodingName(
-            DerObjectIdentifier oid)
+        public static string GetEncodingName(DerObjectIdentifier oid)
         {
-            return (string) algorithms[oid.Id];
+            return CollectionUtilities.GetValueOrNull(AlgorithmMap, oid.Id);
         }
 
         public static ISigner InitSigner(DerObjectIdentifier algorithmOid, bool forSigning, AsymmetricKeyParameter privateKey, SecureRandom random)