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458 lines
16 KiB
458 lines
16 KiB
1 year ago
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using System.Collections;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.CryptoPro;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Eac;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Iana;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Misc;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Nist;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Oiw;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.TeleTrust;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X9;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security.Certificates;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.X509;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.X509.Store;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
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{
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internal class CmsSignedHelper
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{
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internal static readonly CmsSignedHelper Instance = new CmsSignedHelper();
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private static readonly string EncryptionECDsaWithSha1 = X9ObjectIdentifiers.ECDsaWithSha1.Id;
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private static readonly string EncryptionECDsaWithSha224 = X9ObjectIdentifiers.ECDsaWithSha224.Id;
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private static readonly string EncryptionECDsaWithSha256 = X9ObjectIdentifiers.ECDsaWithSha256.Id;
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private static readonly string EncryptionECDsaWithSha384 = X9ObjectIdentifiers.ECDsaWithSha384.Id;
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private static readonly string EncryptionECDsaWithSha512 = X9ObjectIdentifiers.ECDsaWithSha512.Id;
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private static readonly IDictionary encryptionAlgs = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateHashtable();
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private static readonly IDictionary digestAlgs = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateHashtable();
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private static readonly IDictionary digestAliases = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateHashtable();
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private static readonly ISet noParams = new HashSet();
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private static readonly IDictionary ecAlgorithms = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateHashtable();
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private static void AddEntries(DerObjectIdentifier oid, string digest, string encryption)
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{
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string alias = oid.Id;
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digestAlgs.Add(alias, digest);
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encryptionAlgs.Add(alias, encryption);
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}
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static CmsSignedHelper()
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{
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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(PkcsObjectIdentifiers.Sha512_224WithRSAEncryption, "SHA512(224)", "RSA");
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AddEntries(PkcsObjectIdentifiers.Sha512_256WithRSAEncryption, "SHA512(256)", "RSA");
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AddEntries(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224, "SHA3-224", "RSA");
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AddEntries(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256, "SHA3-256", "RSA");
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AddEntries(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384, "SHA3-384", "RSA");
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AddEntries(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512, "SHA3-512", "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.Id, "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(NistObjectIdentifiers.IdSha512_224.Id, "SHA512(224)");
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digestAlgs.Add(NistObjectIdentifiers.IdSha512_256.Id, "SHA512(256)");
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digestAlgs.Add(NistObjectIdentifiers.IdSha3_224.Id, "SHA3-224");
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digestAlgs.Add(NistObjectIdentifiers.IdSha3_256.Id, "SHA3-256");
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digestAlgs.Add(NistObjectIdentifiers.IdSha3_384.Id, "SHA3-384");
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digestAlgs.Add(NistObjectIdentifiers.IdSha3_512.Id, "SHA3-512");
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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[] { "SHA-1" });
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digestAliases.Add("SHA224", new string[] { "SHA-224" });
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digestAliases.Add("SHA256", new string[] { "SHA-256" });
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digestAliases.Add("SHA384", new string[] { "SHA-384" });
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digestAliases.Add("SHA512", new string[] { "SHA-512" });
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noParams.Add(CmsSignedGenerator.EncryptionDsa);
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// noParams.Add(EncryptionECDsa);
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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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/**
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* Return the digest algorithm using one of the standard JCA string
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* representations rather than the algorithm identifier (if possible).
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*/
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internal string GetDigestAlgName(
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string digestAlgOid)
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{
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string algName = (string)digestAlgs[digestAlgOid];
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if (algName != null)
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{
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return algName;
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}
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return digestAlgOid;
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}
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internal AlgorithmIdentifier GetEncAlgorithmIdentifier(
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DerObjectIdentifier encOid,
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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(
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string algName)
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{
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string[] aliases = (string[]) digestAliases[algName];
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return aliases == null ? new string[0] : (string[]) aliases.Clone();
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}
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/**
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* Return the digest encryption algorithm using one of the standard
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* JCA string representations rather than the algorithm identifier (if
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* possible).
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*/
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internal string GetEncryptionAlgName(
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string encryptionAlgOid)
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{
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string algName = (string) encryptionAlgs[encryptionAlgOid];
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if (algName != null)
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{
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return algName;
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}
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return encryptionAlgOid;
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}
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internal IDigest GetDigestInstance(
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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 e)
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{
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// This is probably superfluous on C#, since no provider infrastructure,
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// assuming DigestUtilities already knows all the aliases
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foreach (string alias in GetDigestAliases(algorithm))
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{
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try { return DigestUtilities.GetDigest(alias); }
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catch (SecurityUtilityException) {}
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}
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throw e;
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}
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}
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internal ISigner GetSignatureInstance(
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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(
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string type,
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Asn1Set certSet)
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{
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IList certs = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateArrayList();
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if (certSet != null)
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{
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foreach (Asn1Encodable ae in certSet)
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{
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try
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{
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Asn1Object obj = ae.ToAsn1Object();
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if (obj is Asn1TaggedObject)
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{
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Asn1TaggedObject tagged = (Asn1TaggedObject)obj;
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if (tagged.TagNo == 2)
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{
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certs.Add(
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new X509V2AttributeCertificate(
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Asn1Sequence.GetInstance(tagged, false).GetEncoded()));
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}
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}
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}
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catch (Exception ex)
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{
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throw new CmsException("can't re-encode attribute certificate!", ex);
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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(
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"AttributeCertificate/" + type,
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new X509CollectionStoreParameters(certs));
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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 CreateCertificateStore(
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string type,
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Asn1Set certSet)
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{
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IList certs = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateArrayList();
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if (certSet != null)
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{
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AddCertsFromSet(certs, certSet);
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}
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try
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{
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return X509StoreFactory.Create(
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"Certificate/" + type,
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new X509CollectionStoreParameters(certs));
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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(
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string type,
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Asn1Set crlSet)
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{
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IList crls = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateArrayList();
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if (crlSet != null)
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{
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AddCrlsFromSet(crls, crlSet);
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}
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try
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{
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return X509StoreFactory.Create(
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"CRL/" + type,
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new X509CollectionStoreParameters(crls));
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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);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void AddCertsFromSet(
|
||
|
|
IList certs,
|
||
|
|
Asn1Set certSet)
|
||
|
|
{
|
||
|
|
X509CertificateParser cf = new X509CertificateParser();
|
||
|
|
|
||
|
|
foreach (Asn1Encodable ae in certSet)
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
Asn1Object obj = ae.ToAsn1Object();
|
||
|
|
|
||
|
|
if (obj is Asn1Sequence)
|
||
|
|
{
|
||
|
|
// TODO Build certificate directly from sequence?
|
||
|
|
certs.Add(cf.ReadCertificate(obj.GetEncoded()));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (Exception ex)
|
||
|
|
{
|
||
|
|
throw new CmsException("can't re-encode certificate!", ex);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void AddCrlsFromSet(
|
||
|
|
IList crls,
|
||
|
|
Asn1Set crlSet)
|
||
|
|
{
|
||
|
|
X509CrlParser cf = new X509CrlParser();
|
||
|
|
|
||
|
|
foreach (Asn1Encodable ae in crlSet)
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
// TODO Build CRL directly from ae.ToAsn1Object()?
|
||
|
|
crls.Add(cf.ReadCrl(ae.GetEncoded()));
|
||
|
|
}
|
||
|
|
catch (Exception ex)
|
||
|
|
{
|
||
|
|
throw new CmsException("can't re-encode CRL!", ex);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
internal AlgorithmIdentifier FixAlgID(
|
||
|
|
AlgorithmIdentifier algId)
|
||
|
|
{
|
||
|
|
if (algId.Parameters == null)
|
||
|
|
return new AlgorithmIdentifier(algId.Algorithm, DerNull.Instance);
|
||
|
|
|
||
|
|
return algId;
|
||
|
|
}
|
||
|
|
|
||
|
|
internal string GetEncOid(
|
||
|
|
AsymmetricKeyParameter key,
|
||
|
|
string digestOID)
|
||
|
|
{
|
||
|
|
string encOID = null;
|
||
|
|
|
||
|
|
if (key is RsaKeyParameters)
|
||
|
|
{
|
||
|
|
if (!((RsaKeyParameters)key).IsPrivate)
|
||
|
|
throw new ArgumentException("Expected RSA private key");
|
||
|
|
|
||
|
|
encOID = CmsSignedGenerator.EncryptionRsa;
|
||
|
|
}
|
||
|
|
else if (key is DsaPrivateKeyParameters)
|
||
|
|
{
|
||
|
|
if (digestOID.Equals(CmsSignedGenerator.DigestSha1))
|
||
|
|
{
|
||
|
|
encOID = CmsSignedGenerator.EncryptionDsa;
|
||
|
|
}
|
||
|
|
else if (digestOID.Equals(CmsSignedGenerator.DigestSha224))
|
||
|
|
{
|
||
|
|
encOID = NistObjectIdentifiers.DsaWithSha224.Id;
|
||
|
|
}
|
||
|
|
else if (digestOID.Equals(CmsSignedGenerator.DigestSha256))
|
||
|
|
{
|
||
|
|
encOID = NistObjectIdentifiers.DsaWithSha256.Id;
|
||
|
|
}
|
||
|
|
else if (digestOID.Equals(CmsSignedGenerator.DigestSha384))
|
||
|
|
{
|
||
|
|
encOID = NistObjectIdentifiers.DsaWithSha384.Id;
|
||
|
|
}
|
||
|
|
else if (digestOID.Equals(CmsSignedGenerator.DigestSha512))
|
||
|
|
{
|
||
|
|
encOID = NistObjectIdentifiers.DsaWithSha512.Id;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
throw new ArgumentException("can't mix DSA with anything but SHA1/SHA2");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (key is ECPrivateKeyParameters)
|
||
|
|
{
|
||
|
|
ECPrivateKeyParameters ecPrivKey = (ECPrivateKeyParameters)key;
|
||
|
|
string algName = ecPrivKey.AlgorithmName;
|
||
|
|
|
||
|
|
if (algName == "ECGOST3410")
|
||
|
|
{
|
||
|
|
encOID = CmsSignedGenerator.EncryptionECGost3410;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// TODO Should we insist on algName being one of "EC" or "ECDSA", as Java does?
|
||
|
|
encOID = (string)ecAlgorithms[digestOID];
|
||
|
|
|
||
|
|
if (encOID == null)
|
||
|
|
throw new ArgumentException("can't mix ECDSA with anything but SHA family digests");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (key is Gost3410PrivateKeyParameters)
|
||
|
|
{
|
||
|
|
encOID = CmsSignedGenerator.EncryptionGost3410;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
throw new ArgumentException("Unknown algorithm in CmsSignedGenerator.GetEncOid");
|
||
|
|
}
|
||
|
|
|
||
|
|
return encOID;
|
||
|
|
}
|
||
|
|
|
||
|
|
public IX509Store GetCertificates(Asn1Set certificates)
|
||
|
|
{
|
||
|
|
IList certList = BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateArrayList();
|
||
|
|
if (certificates != null)
|
||
|
|
{
|
||
|
|
foreach (Asn1Encodable enc in certificates)
|
||
|
|
{
|
||
|
|
certList.Add(X509CertificateStructure.GetInstance(enc));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return new X509CollectionStore(certList);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#pragma warning restore
|
||
|
|
#endif
|