OidLookup.cs

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using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Security.Cryptography;
 
namespace Internal.Cryptography;
 
internal static class OidLookup
{
    private static readonly ConcurrentDictionary<string, string> s_lateBoundOidToFriendlyName;
 
    private static readonly ConcurrentDictionary<string, string> s_lateBoundFriendlyNameToOid;
 
    private static readonly Dictionary<string, string> s_friendlyNameToOid;
 
    private static readonly Dictionary<string, string> s_oidToFriendlyName;
 
    private static readonly Dictionary<string, string> s_compatOids;
 
    public static string ToFriendlyName(string oid, OidGroup oidGroup, bool fallBackToAllGroups)
    {
        if (oid == null)
        {
            throw new ArgumentNullException("oid");
        }
        bool flag = ShouldUseCache(oidGroup);
        if (flag && (s_oidToFriendlyName.TryGetValue(oid, out var value) || s_compatOids.TryGetValue(oid, out value) || s_lateBoundOidToFriendlyName.TryGetValue(oid, out value)))
        {
            return value;
        }
        value = NativeOidToFriendlyName(oid, oidGroup, fallBackToAllGroups);
        if (flag && value != null)
        {
            s_lateBoundOidToFriendlyName.TryAdd(oid, value);
        }
        return value;
    }
 
    public static string ToOid(string friendlyName, OidGroup oidGroup, bool fallBackToAllGroups)
    {
        if (friendlyName == null)
        {
            throw new ArgumentNullException("friendlyName");
        }
        if (friendlyName.Length == 0)
        {
            return null;
        }
        bool flag = ShouldUseCache(oidGroup);
        if (flag && (s_friendlyNameToOid.TryGetValue(friendlyName, out var value) || s_lateBoundFriendlyNameToOid.TryGetValue(friendlyName, out value)))
        {
            return value;
        }
        value = NativeFriendlyNameToOid(friendlyName, oidGroup, fallBackToAllGroups);
        if (flag)
        {
            s_lateBoundFriendlyNameToOid.TryAdd(friendlyName, value);
        }
        return value;
    }
 
    static OidLookup()
    {
        s_lateBoundOidToFriendlyName = new ConcurrentDictionary<string, string>();
        s_lateBoundFriendlyNameToOid = new ConcurrentDictionary<string, string>(StringComparer.OrdinalIgnoreCase);
        s_friendlyNameToOid = new Dictionary<string, string>(111, StringComparer.OrdinalIgnoreCase);
        s_oidToFriendlyName = new Dictionary<string, string>(103, StringComparer.Ordinal);
        s_compatOids = new Dictionary<string, string>
        {
            { "1.2.840.113549.1.3.1", "DH" },
            { "1.3.14.3.2.12", "DSA" },
            { "1.3.14.3.2.13", "sha1DSA" },
            { "1.3.14.3.2.15", "shaRSA" },
            { "1.3.14.3.2.18", "sha" },
            { "1.3.14.3.2.2", "md4RSA" },
            { "1.3.14.3.2.22", "RSA_KEYX" },
            { "1.3.14.3.2.29", "sha1RSA" },
            { "1.3.14.3.2.3", "md5RSA" },
            { "1.3.14.3.2.4", "md4RSA" },
            { "1.3.14.7.2.3.1", "md2RSA" }
        };
        InitializeLookupDictionaries();
    }
 
    private static void InitializeLookupDictionaries()
    {
        AddEntry("1.2.840.113549.3.7", "3des");
        AddEntry("2.16.840.1.101.3.4.1.2", "aes128");
        AddEntry("2.16.840.1.101.3.4.1.5", "aes128wrap");
        AddEntry("2.16.840.1.101.3.4.1.22", "aes192");
        AddEntry("2.16.840.1.101.3.4.1.25", "aes192wrap");
        AddEntry("2.16.840.1.101.3.4.1.42", "aes256");
        AddEntry("2.16.840.1.101.3.4.1.45", "aes256wrap");
        AddEntry("1.3.36.3.3.2.8.1.1.1", "brainpoolP160r1");
        AddEntry("1.3.36.3.3.2.8.1.1.2", "brainpoolP160t1");
        AddEntry("1.3.36.3.3.2.8.1.1.3", "brainpoolP192r1");
        AddEntry("1.3.36.3.3.2.8.1.1.4", "brainpoolP192t1");
        AddEntry("1.3.36.3.3.2.8.1.1.5", "brainpoolP224r1");
        AddEntry("1.3.36.3.3.2.8.1.1.6", "brainpoolP224t1");
        AddEntry("1.3.36.3.3.2.8.1.1.7", "brainpoolP256r1");
        AddEntry("1.3.36.3.3.2.8.1.1.8", "brainpoolP256t1");
        AddEntry("1.3.36.3.3.2.8.1.1.9", "brainpoolP320r1");
        AddEntry("1.3.36.3.3.2.8.1.1.10", "brainpoolP320t1");
        AddEntry("1.3.36.3.3.2.8.1.1.11", "brainpoolP384r1");
        AddEntry("1.3.36.3.3.2.8.1.1.12", "brainpoolP384t1");
        AddEntry("1.3.36.3.3.2.8.1.1.13", "brainpoolP512r1");
        AddEntry("1.3.36.3.3.2.8.1.1.14", "brainpoolP512t1");
        AddEntry("2.5.4.6", "C");
        AddEntry("1.2.840.113549.1.9.16.3.6", "CMS3DESwrap");
        AddEntry("1.2.840.113549.1.9.16.3.7", "CMSRC2wrap");
        AddEntry("2.5.4.3", "CN");
        AddEntry("1.3.6.1.5.5.7.2.1", "CPS");
        AddEntry("0.9.2342.19200300.100.1.25", "DC");
        AddEntry("1.3.14.3.2.7", "des");
        AddEntry("2.5.4.13", "Description");
        AddEntry("1.2.840.10046.2.1", "DH");
        AddEntry("2.5.4.46", "dnQualifier");
        AddEntry("1.2.840.10040.4.1", "DSA");
        AddEntry("1.3.14.3.2.27", "dsaSHA1");
        AddEntry("1.2.840.113549.1.9.1", "E");
        AddEntry("1.2.156.11235.1.1.2.1", "ec192wapi");
        AddEntry("1.2.840.10045.2.1", "ECC");
        AddEntry("1.3.133.16.840.63.0.2", "ECDH_STD_SHA1_KDF");
        AddEntry("1.3.132.1.11.1", "ECDH_STD_SHA256_KDF");
        AddEntry("1.3.132.1.11.2", "ECDH_STD_SHA384_KDF");
        AddEntry("1.2.840.10045.3.1.7", "ECDSA_P256", new string[3] { "nistP256", "secP256r1", "x962P256v1" });
        AddEntry("1.3.132.0.34", "ECDSA_P384", new string[2] { "nistP384", "secP384r1" });
        AddEntry("1.3.132.0.35", "ECDSA_P521", new string[2] { "nistP521", "secP521r1" });
        AddEntry("1.2.840.113549.1.9.16.3.5", "ESDH");
        AddEntry("2.5.4.42", "G");
        AddEntry("2.5.4.43", "I");
        AddEntry("2.5.4.7", "L");
        AddEntry("1.2.840.113549.2.2", "md2");
        AddEntry("1.2.840.113549.1.1.2", "md2RSA");
        AddEntry("1.2.840.113549.2.4", "md4");
        AddEntry("1.2.840.113549.1.1.3", "md4RSA");
        AddEntry("1.2.840.113549.2.5", "md5");
        AddEntry("1.2.840.113549.1.1.4", "md5RSA");
        AddEntry("1.2.840.113549.1.1.8", "mgf1");
        AddEntry("2.16.840.1.101.2.1.1.20", "mosaicKMandUpdSig");
        AddEntry("2.16.840.1.101.2.1.1.19", "mosaicUpdatedSig");
        AddEntry("1.2.840.10045.3.1.1", "nistP192");
        AddEntry("1.3.132.0.33", "nistP224");
        AddEntry("1.3.6.1.5.5.7.6.2", "NO_SIGN");
        AddEntry("2.5.4.10", "O");
        AddEntry("2.5.4.11", "OU");
        AddEntry("2.5.4.20", "Phone");
        AddEntry("2.5.4.18", "POBox");
        AddEntry("2.5.4.17", "PostalCode");
        AddEntry("1.2.840.113549.3.2", "rc2");
        AddEntry("1.2.840.113549.3.4", "rc4");
        AddEntry("1.2.840.113549.1.1.1", "RSA");
        AddEntry("1.2.840.113549.1.1.7", "RSAES_OAEP");
        AddEntry("1.2.840.113549.1.1.10", "RSASSA-PSS");
        AddEntry("2.5.4.8", "S", new string[1] { "ST" });
        AddEntry("1.3.132.0.9", "secP160k1");
        AddEntry("1.3.132.0.8", "secP160r1");
        AddEntry("1.3.132.0.30", "secP160r2");
        AddEntry("1.3.132.0.31", "secP192k1");
        AddEntry("1.3.132.0.32", "secP224k1");
        AddEntry("1.3.132.0.10", "secP256k1");
        AddEntry("2.5.4.5", "SERIALNUMBER");
        AddEntry("1.3.14.3.2.26", "sha1");
        AddEntry("1.2.840.10040.4.3", "sha1DSA");
        AddEntry("1.2.840.10045.4.1", "sha1ECDSA");
        AddEntry("1.2.840.113549.1.1.5", "sha1RSA");
        AddEntry("2.16.840.1.101.3.4.2.1", "sha256");
        AddEntry("1.2.840.10045.4.3.2", "sha256ECDSA");
        AddEntry("1.2.840.113549.1.1.11", "sha256RSA");
        AddEntry("2.16.840.1.101.3.4.2.2", "sha384");
        AddEntry("1.2.840.10045.4.3.3", "sha384ECDSA");
        AddEntry("1.2.840.113549.1.1.12", "sha384RSA");
        AddEntry("2.16.840.1.101.3.4.2.3", "sha512");
        AddEntry("1.2.840.10045.4.3.4", "sha512ECDSA");
        AddEntry("1.2.840.113549.1.1.13", "sha512RSA");
        AddEntry("2.5.4.4", "SN");
        AddEntry("1.2.840.10045.4.3", "specifiedECDSA");
        AddEntry("2.5.4.9", "STREET");
        AddEntry("2.5.4.12", "T");
        AddEntry("2.23.133.2.1", "TPMManufacturer");
        AddEntry("2.23.133.2.2", "TPMModel");
        AddEntry("2.23.133.2.3", "TPMVersion");
        AddEntry("2.23.43.1.4.9", "wtls9");
        AddEntry("2.5.4.24", "X21Address");
        AddEntry("1.2.840.10045.3.1.2", "x962P192v2");
        AddEntry("1.2.840.10045.3.1.3", "x962P192v3");
        AddEntry("1.2.840.10045.3.1.4", "x962P239v1");
        AddEntry("1.2.840.10045.3.1.5", "x962P239v2");
        AddEntry("1.2.840.10045.3.1.6", "x962P239v3");
        static void AddEntry(string oid, string primaryFriendlyName, string[] additionalFriendlyNames = null)
        {
            s_oidToFriendlyName.Add(oid, primaryFriendlyName);
            s_friendlyNameToOid.Add(primaryFriendlyName, oid);
            if (additionalFriendlyNames != null)
            {
                foreach (string key in additionalFriendlyNames)
                {
                    s_friendlyNameToOid.Add(key, oid);
                }
            }
        }
    }
 
    private static bool ShouldUseCache(OidGroup oidGroup)
    {
        return oidGroup == OidGroup.All;
    }
 
    private static string NativeOidToFriendlyName(string oid, OidGroup oidGroup, bool fallBackToAllGroups)
    {
        return global::Interop.Crypt32.FindOidInfo(global::Interop.Crypt32.CryptOidInfoKeyType.CRYPT_OID_INFO_OID_KEY, oid, oidGroup, fallBackToAllGroups).Name;
    }
 
    private static string NativeFriendlyNameToOid(string friendlyName, OidGroup oidGroup, bool fallBackToAllGroups)
    {
        return global::Interop.Crypt32.FindOidInfo(global::Interop.Crypt32.CryptOidInfoKeyType.CRYPT_OID_INFO_NAME_KEY, friendlyName, oidGroup, fallBackToAllGroups).OID;
    }
}