385 lines
12 KiB
C#
385 lines
12 KiB
C#
using System;
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using System.Collections;
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using Org.BouncyCastle.Asn1;
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using Org.BouncyCastle.Asn1.CryptoPro;
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using Org.BouncyCastle.Asn1.Eac;
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using Org.BouncyCastle.Asn1.Nist;
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using Org.BouncyCastle.Asn1.Oiw;
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using Org.BouncyCastle.Asn1.Pkcs;
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using Org.BouncyCastle.Asn1.TeleTrust;
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using Org.BouncyCastle.Asn1.X509;
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using Org.BouncyCastle.Asn1.X9;
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using Org.BouncyCastle.Crypto;
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using Org.BouncyCastle.Crypto.Parameters;
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using Org.BouncyCastle.Security;
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using Org.BouncyCastle.Utilities;
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using Org.BouncyCastle.Utilities.Collections;
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using Org.BouncyCastle.X509;
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using Org.BouncyCastle.X509.Store;
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namespace Org.BouncyCastle.Cms;
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internal class CmsSignedHelper
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{
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internal static readonly CmsSignedHelper Instance;
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private static readonly string EncryptionECDsaWithSha1;
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private static readonly string EncryptionECDsaWithSha224;
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private static readonly string EncryptionECDsaWithSha256;
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private static readonly string EncryptionECDsaWithSha384;
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private static readonly string EncryptionECDsaWithSha512;
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private static readonly IDictionary encryptionAlgs;
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private static readonly IDictionary digestAlgs;
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private static readonly IDictionary digestAliases;
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private static readonly ISet noParams;
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private static readonly IDictionary ecAlgorithms;
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private static void AddEntries(DerObjectIdentifier oid, string digest, string encryption)
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{
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string id = oid.Id;
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digestAlgs.Add(id, digest);
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encryptionAlgs.Add(id, encryption);
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}
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static CmsSignedHelper()
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{
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Instance = new CmsSignedHelper();
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EncryptionECDsaWithSha1 = X9ObjectIdentifiers.ECDsaWithSha1.Id;
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EncryptionECDsaWithSha224 = X9ObjectIdentifiers.ECDsaWithSha224.Id;
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EncryptionECDsaWithSha256 = X9ObjectIdentifiers.ECDsaWithSha256.Id;
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EncryptionECDsaWithSha384 = X9ObjectIdentifiers.ECDsaWithSha384.Id;
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EncryptionECDsaWithSha512 = X9ObjectIdentifiers.ECDsaWithSha512.Id;
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encryptionAlgs = Platform.CreateHashtable();
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digestAlgs = Platform.CreateHashtable();
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digestAliases = Platform.CreateHashtable();
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noParams = new HashSet();
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ecAlgorithms = Platform.CreateHashtable();
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AddEntries(NistObjectIdentifiers.DsaWithSha224, "SHA224", "DSA");
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AddEntries(NistObjectIdentifiers.DsaWithSha256, "SHA256", "DSA");
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AddEntries(NistObjectIdentifiers.DsaWithSha384, "SHA384", "DSA");
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AddEntries(NistObjectIdentifiers.DsaWithSha512, "SHA512", "DSA");
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AddEntries(OiwObjectIdentifiers.DsaWithSha1, "SHA1", "DSA");
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AddEntries(OiwObjectIdentifiers.MD4WithRsa, "MD4", "RSA");
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AddEntries(OiwObjectIdentifiers.MD4WithRsaEncryption, "MD4", "RSA");
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AddEntries(OiwObjectIdentifiers.MD5WithRsa, "MD5", "RSA");
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AddEntries(OiwObjectIdentifiers.Sha1WithRsa, "SHA1", "RSA");
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AddEntries(PkcsObjectIdentifiers.MD2WithRsaEncryption, "MD2", "RSA");
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AddEntries(PkcsObjectIdentifiers.MD4WithRsaEncryption, "MD4", "RSA");
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AddEntries(PkcsObjectIdentifiers.MD5WithRsaEncryption, "MD5", "RSA");
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AddEntries(PkcsObjectIdentifiers.Sha1WithRsaEncryption, "SHA1", "RSA");
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AddEntries(PkcsObjectIdentifiers.Sha224WithRsaEncryption, "SHA224", "RSA");
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AddEntries(PkcsObjectIdentifiers.Sha256WithRsaEncryption, "SHA256", "RSA");
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AddEntries(PkcsObjectIdentifiers.Sha384WithRsaEncryption, "SHA384", "RSA");
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AddEntries(PkcsObjectIdentifiers.Sha512WithRsaEncryption, "SHA512", "RSA");
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AddEntries(X9ObjectIdentifiers.ECDsaWithSha1, "SHA1", "ECDSA");
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AddEntries(X9ObjectIdentifiers.ECDsaWithSha224, "SHA224", "ECDSA");
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AddEntries(X9ObjectIdentifiers.ECDsaWithSha256, "SHA256", "ECDSA");
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AddEntries(X9ObjectIdentifiers.ECDsaWithSha384, "SHA384", "ECDSA");
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AddEntries(X9ObjectIdentifiers.ECDsaWithSha512, "SHA512", "ECDSA");
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AddEntries(X9ObjectIdentifiers.IdDsaWithSha1, "SHA1", "DSA");
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AddEntries(EacObjectIdentifiers.id_TA_ECDSA_SHA_1, "SHA1", "ECDSA");
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AddEntries(EacObjectIdentifiers.id_TA_ECDSA_SHA_224, "SHA224", "ECDSA");
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AddEntries(EacObjectIdentifiers.id_TA_ECDSA_SHA_256, "SHA256", "ECDSA");
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AddEntries(EacObjectIdentifiers.id_TA_ECDSA_SHA_384, "SHA384", "ECDSA");
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AddEntries(EacObjectIdentifiers.id_TA_ECDSA_SHA_512, "SHA512", "ECDSA");
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AddEntries(EacObjectIdentifiers.id_TA_RSA_v1_5_SHA_1, "SHA1", "RSA");
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AddEntries(EacObjectIdentifiers.id_TA_RSA_v1_5_SHA_256, "SHA256", "RSA");
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AddEntries(EacObjectIdentifiers.id_TA_RSA_PSS_SHA_1, "SHA1", "RSAandMGF1");
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AddEntries(EacObjectIdentifiers.id_TA_RSA_PSS_SHA_256, "SHA256", "RSAandMGF1");
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encryptionAlgs.Add(X9ObjectIdentifiers.IdDsa.Id, "DSA");
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encryptionAlgs.Add(PkcsObjectIdentifiers.RsaEncryption.Id, "RSA");
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encryptionAlgs.Add(TeleTrusTObjectIdentifiers.TeleTrusTRsaSignatureAlgorithm, "RSA");
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encryptionAlgs.Add(X509ObjectIdentifiers.IdEARsa.Id, "RSA");
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encryptionAlgs.Add(CmsSignedGenerator.EncryptionRsaPss, "RSAandMGF1");
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encryptionAlgs.Add(CryptoProObjectIdentifiers.GostR3410x94.Id, "GOST3410");
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encryptionAlgs.Add(CryptoProObjectIdentifiers.GostR3410x2001.Id, "ECGOST3410");
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encryptionAlgs.Add("1.3.6.1.4.1.5849.1.6.2", "ECGOST3410");
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encryptionAlgs.Add("1.3.6.1.4.1.5849.1.1.5", "GOST3410");
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digestAlgs.Add(PkcsObjectIdentifiers.MD2.Id, "MD2");
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digestAlgs.Add(PkcsObjectIdentifiers.MD4.Id, "MD4");
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digestAlgs.Add(PkcsObjectIdentifiers.MD5.Id, "MD5");
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digestAlgs.Add(OiwObjectIdentifiers.IdSha1.Id, "SHA1");
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digestAlgs.Add(NistObjectIdentifiers.IdSha224.Id, "SHA224");
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digestAlgs.Add(NistObjectIdentifiers.IdSha256.Id, "SHA256");
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digestAlgs.Add(NistObjectIdentifiers.IdSha384.Id, "SHA384");
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digestAlgs.Add(NistObjectIdentifiers.IdSha512.Id, "SHA512");
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digestAlgs.Add(TeleTrusTObjectIdentifiers.RipeMD128.Id, "RIPEMD128");
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digestAlgs.Add(TeleTrusTObjectIdentifiers.RipeMD160.Id, "RIPEMD160");
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digestAlgs.Add(TeleTrusTObjectIdentifiers.RipeMD256.Id, "RIPEMD256");
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digestAlgs.Add(CryptoProObjectIdentifiers.GostR3411.Id, "GOST3411");
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digestAlgs.Add("1.3.6.1.4.1.5849.1.2.1", "GOST3411");
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digestAliases.Add("SHA1", new string[1] { "SHA-1" });
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digestAliases.Add("SHA224", new string[1] { "SHA-224" });
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digestAliases.Add("SHA256", new string[1] { "SHA-256" });
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digestAliases.Add("SHA384", new string[1] { "SHA-384" });
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digestAliases.Add("SHA512", new string[1] { "SHA-512" });
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noParams.Add(CmsSignedGenerator.EncryptionDsa);
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noParams.Add(EncryptionECDsaWithSha1);
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noParams.Add(EncryptionECDsaWithSha224);
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noParams.Add(EncryptionECDsaWithSha256);
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noParams.Add(EncryptionECDsaWithSha384);
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noParams.Add(EncryptionECDsaWithSha512);
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ecAlgorithms.Add(CmsSignedGenerator.DigestSha1, EncryptionECDsaWithSha1);
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ecAlgorithms.Add(CmsSignedGenerator.DigestSha224, EncryptionECDsaWithSha224);
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ecAlgorithms.Add(CmsSignedGenerator.DigestSha256, EncryptionECDsaWithSha256);
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ecAlgorithms.Add(CmsSignedGenerator.DigestSha384, EncryptionECDsaWithSha384);
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ecAlgorithms.Add(CmsSignedGenerator.DigestSha512, EncryptionECDsaWithSha512);
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}
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internal string GetDigestAlgName(string digestAlgOid)
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{
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string text = (string)digestAlgs[digestAlgOid];
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if (text != null)
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{
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return text;
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}
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return digestAlgOid;
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}
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internal AlgorithmIdentifier GetEncAlgorithmIdentifier(DerObjectIdentifier encOid, Asn1Encodable sigX509Parameters)
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{
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if (noParams.Contains(encOid.Id))
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{
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return new AlgorithmIdentifier(encOid);
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}
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return new AlgorithmIdentifier(encOid, sigX509Parameters);
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}
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internal string[] GetDigestAliases(string algName)
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{
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string[] array = (string[])digestAliases[algName];
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if (array != null)
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{
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return (string[])array.Clone();
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}
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return new string[0];
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}
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internal string GetEncryptionAlgName(string encryptionAlgOid)
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{
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string text = (string)encryptionAlgs[encryptionAlgOid];
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if (text != null)
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{
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return text;
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}
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return encryptionAlgOid;
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}
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internal IDigest GetDigestInstance(string algorithm)
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{
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try
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{
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return DigestUtilities.GetDigest(algorithm);
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}
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catch (SecurityUtilityException ex)
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{
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string[] array = GetDigestAliases(algorithm);
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foreach (string algorithm2 in array)
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{
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try
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{
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return DigestUtilities.GetDigest(algorithm2);
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}
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catch (SecurityUtilityException)
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{
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}
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}
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throw ex;
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}
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}
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internal ISigner GetSignatureInstance(string algorithm)
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{
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return SignerUtilities.GetSigner(algorithm);
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}
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internal IX509Store CreateAttributeStore(string type, Asn1Set certSet)
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{
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IList list = Platform.CreateArrayList();
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if (certSet != null)
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{
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foreach (Asn1Encodable item in certSet)
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{
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try
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{
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Asn1Object asn1Object = item.ToAsn1Object();
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if (asn1Object is Asn1TaggedObject)
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{
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Asn1TaggedObject asn1TaggedObject = (Asn1TaggedObject)asn1Object;
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if (asn1TaggedObject.TagNo == 2)
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{
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list.Add(new X509V2AttributeCertificate(Asn1Sequence.GetInstance(asn1TaggedObject, explicitly: false).GetEncoded()));
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}
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}
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}
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catch (Exception e)
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{
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throw new CmsException("can't re-encode attribute certificate!", e);
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}
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}
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}
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try
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{
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return X509StoreFactory.Create("AttributeCertificate/" + type, new X509CollectionStoreParameters(list));
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}
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catch (ArgumentException e2)
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{
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throw new CmsException("can't setup the X509Store", e2);
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}
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}
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internal IX509Store CreateCertificateStore(string type, Asn1Set certSet)
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{
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IList list = Platform.CreateArrayList();
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if (certSet != null)
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{
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AddCertsFromSet(list, certSet);
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}
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try
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{
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return X509StoreFactory.Create("Certificate/" + type, new X509CollectionStoreParameters(list));
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}
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catch (ArgumentException e)
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{
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throw new CmsException("can't setup the X509Store", e);
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}
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}
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internal IX509Store CreateCrlStore(string type, Asn1Set crlSet)
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{
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IList list = Platform.CreateArrayList();
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if (crlSet != null)
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{
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AddCrlsFromSet(list, crlSet);
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}
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try
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{
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return X509StoreFactory.Create("CRL/" + type, new X509CollectionStoreParameters(list));
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}
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catch (ArgumentException e)
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{
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throw new CmsException("can't setup the X509Store", e);
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}
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}
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private void AddCertsFromSet(IList certs, Asn1Set certSet)
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{
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X509CertificateParser x509CertificateParser = new X509CertificateParser();
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foreach (Asn1Encodable item in certSet)
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{
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try
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{
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Asn1Object asn1Object = item.ToAsn1Object();
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if (asn1Object is Asn1Sequence)
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{
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certs.Add(x509CertificateParser.ReadCertificate(asn1Object.GetEncoded()));
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}
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}
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catch (Exception e)
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{
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throw new CmsException("can't re-encode certificate!", e);
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}
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}
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}
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private void AddCrlsFromSet(IList crls, Asn1Set crlSet)
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{
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X509CrlParser x509CrlParser = new X509CrlParser();
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foreach (Asn1Encodable item in crlSet)
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{
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try
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{
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crls.Add(x509CrlParser.ReadCrl(item.GetEncoded()));
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}
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catch (Exception e)
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{
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throw new CmsException("can't re-encode CRL!", e);
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}
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}
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}
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internal AlgorithmIdentifier FixAlgID(AlgorithmIdentifier algId)
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{
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if (algId.Parameters == null)
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{
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return new AlgorithmIdentifier(algId.Algorithm, DerNull.Instance);
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}
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return algId;
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}
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internal string GetEncOid(AsymmetricKeyParameter key, string digestOID)
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{
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string text = null;
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if (key is RsaKeyParameters)
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{
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if (!((RsaKeyParameters)key).IsPrivate)
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{
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throw new ArgumentException("Expected RSA private key");
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}
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text = CmsSignedGenerator.EncryptionRsa;
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}
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else if (key is DsaPrivateKeyParameters)
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{
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if (digestOID.Equals(CmsSignedGenerator.DigestSha1))
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{
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text = CmsSignedGenerator.EncryptionDsa;
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}
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else if (digestOID.Equals(CmsSignedGenerator.DigestSha224))
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{
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text = NistObjectIdentifiers.DsaWithSha224.Id;
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}
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else if (digestOID.Equals(CmsSignedGenerator.DigestSha256))
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{
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text = NistObjectIdentifiers.DsaWithSha256.Id;
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}
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else if (digestOID.Equals(CmsSignedGenerator.DigestSha384))
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{
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text = NistObjectIdentifiers.DsaWithSha384.Id;
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}
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else
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{
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if (!digestOID.Equals(CmsSignedGenerator.DigestSha512))
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{
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throw new ArgumentException("can't mix DSA with anything but SHA1/SHA2");
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}
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text = NistObjectIdentifiers.DsaWithSha512.Id;
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}
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}
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else if (key is ECPrivateKeyParameters)
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{
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ECPrivateKeyParameters eCPrivateKeyParameters = (ECPrivateKeyParameters)key;
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string algorithmName = eCPrivateKeyParameters.AlgorithmName;
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if (algorithmName == "ECGOST3410")
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{
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text = CmsSignedGenerator.EncryptionECGost3410;
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}
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else
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{
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text = (string)ecAlgorithms[digestOID];
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if (text == null)
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{
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throw new ArgumentException("can't mix ECDSA with anything but SHA family digests");
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}
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}
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}
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else
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{
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if (!(key is Gost3410PrivateKeyParameters))
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{
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throw new ArgumentException("Unknown algorithm in CmsSignedGenerator.GetEncOid");
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}
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text = CmsSignedGenerator.EncryptionGost3410;
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}
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return text;
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}
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}
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