OCSPUtil.cs @ 20

Revision 20, 6.2 kB (checked in by root, 5 years ago)

Line
1	using System;
2	using System.Collections;
3	using System.Globalization;
4
5	using Org.BouncyCastle.Asn1;
6	using Org.BouncyCastle.Asn1.CryptoPro;
7	using Org.BouncyCastle.Asn1.Nist;
8	using Org.BouncyCastle.Asn1.Pkcs;
9	using Org.BouncyCastle.Asn1.TeleTrust;
10	using Org.BouncyCastle.Asn1.X509;
11	using Org.BouncyCastle.Asn1.X9;
12	using Org.BouncyCastle.Utilities.Collections;
13
14	namespace Org.BouncyCastle.Ocsp
15	{
16	class OcspUtilities
17	{
18	private static readonly Hashtable algorithms = new Hashtable();
19	private static readonly Hashtable oids = new Hashtable();
20	private static readonly ISet noParams = new HashSet();
21
22	static OcspUtilities()
23	{
24	algorithms.Add("MD2WITHRSAENCRYPTION", PkcsObjectIdentifiers.MD2WithRsaEncryption);
25	algorithms.Add("MD2WITHRSA", PkcsObjectIdentifiers.MD2WithRsaEncryption);
26	algorithms.Add("MD5WITHRSAENCRYPTION", PkcsObjectIdentifiers.MD5WithRsaEncryption);
27	algorithms.Add("MD5WITHRSA", PkcsObjectIdentifiers.MD5WithRsaEncryption);
28	algorithms.Add("SHA1WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
29	algorithms.Add("SHA1WITHRSA", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
30	algorithms.Add("SHA224WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
31	algorithms.Add("SHA224WITHRSA", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
32	algorithms.Add("SHA256WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
33	algorithms.Add("SHA256WITHRSA", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
34	algorithms.Add("SHA384WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
35	algorithms.Add("SHA384WITHRSA", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
36	algorithms.Add("SHA512WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
37	algorithms.Add("SHA512WITHRSA", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
38	algorithms.Add("RIPEMD160WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160);
39	algorithms.Add("RIPEMD160WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160);
40	algorithms.Add("RIPEMD128WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128);
41	algorithms.Add("RIPEMD128WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128);
42	algorithms.Add("RIPEMD256WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256);
43	algorithms.Add("RIPEMD256WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256);
44	algorithms.Add("SHA1WITHDSA", X9ObjectIdentifiers.IdDsaWithSha1);
45	algorithms.Add("DSAWITHSHA1", X9ObjectIdentifiers.IdDsaWithSha1);
46	algorithms.Add("SHA224WITHDSA", NistObjectIdentifiers.DsaWithSha224);
47	algorithms.Add("SHA256WITHDSA", NistObjectIdentifiers.DsaWithSha256);
48	algorithms.Add("SHA1WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha1);
49	algorithms.Add("ECDSAWITHSHA1", X9ObjectIdentifiers.ECDsaWithSha1);
50	algorithms.Add("SHA224WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha224);
51	algorithms.Add("SHA256WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha256);
52	algorithms.Add("SHA384WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha384);
53	algorithms.Add("SHA512WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha512);
54	algorithms.Add("GOST3411WITHGOST3410", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94);
55	algorithms.Add("GOST3411WITHGOST3410-94", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94);
56
57	oids.Add(PkcsObjectIdentifiers.MD2WithRsaEncryption, "MD2WITHRSA");
58	oids.Add(PkcsObjectIdentifiers.MD5WithRsaEncryption, "MD5WITHRSA");
59	oids.Add(PkcsObjectIdentifiers.Sha1WithRsaEncryption, "SHA1WITHRSA");
60	oids.Add(PkcsObjectIdentifiers.Sha224WithRsaEncryption, "SHA224WITHRSA");
61	oids.Add(PkcsObjectIdentifiers.Sha256WithRsaEncryption, "SHA256WITHRSA");
62	oids.Add(PkcsObjectIdentifiers.Sha384WithRsaEncryption, "SHA384WITHRSA");
63	oids.Add(PkcsObjectIdentifiers.Sha512WithRsaEncryption, "SHA512WITHRSA");
64	oids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160, "RIPEMD160WITHRSA");
65	oids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128, "RIPEMD128WITHRSA");
66	oids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256, "RIPEMD256WITHRSA");
67	oids.Add(X9ObjectIdentifiers.IdDsaWithSha1, "SHA1WITHDSA");
68	oids.Add(NistObjectIdentifiers.DsaWithSha224, "SHA224WITHDSA");
69	oids.Add(NistObjectIdentifiers.DsaWithSha256, "SHA256WITHDSA");
70	oids.Add(X9ObjectIdentifiers.ECDsaWithSha1, "SHA1WITHECDSA");
71	oids.Add(X9ObjectIdentifiers.ECDsaWithSha224, "SHA224WITHECDSA");
72	oids.Add(X9ObjectIdentifiers.ECDsaWithSha256, "SHA256WITHECDSA");
73	oids.Add(X9ObjectIdentifiers.ECDsaWithSha384, "SHA384WITHECDSA");
74	oids.Add(X9ObjectIdentifiers.ECDsaWithSha512, "SHA512WITHECDSA");
75	oids.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94, "GOST3411WITHGOST3410");
76
77	//
78	// According to RFC 3279, the ASN.1 encoding SHALL (id-dsa-with-sha1) or MUST (ecdsa-with-SHA*) omit the parameters field.
79	// The parameters field SHALL be NULL for RSA based signature algorithms.
80	//
81	noParams.Add(X9ObjectIdentifiers.ECDsaWithSha1);
82	noParams.Add(X9ObjectIdentifiers.ECDsaWithSha224);
83	noParams.Add(X9ObjectIdentifiers.ECDsaWithSha256);
84	noParams.Add(X9ObjectIdentifiers.ECDsaWithSha384);
85	noParams.Add(X9ObjectIdentifiers.ECDsaWithSha512);
86	noParams.Add(X9ObjectIdentifiers.IdDsaWithSha1);
87	noParams.Add(NistObjectIdentifiers.DsaWithSha224);
88	noParams.Add(NistObjectIdentifiers.DsaWithSha256);
89	}
90
91	internal static DerObjectIdentifier GetAlgorithmOid(
92	string algorithmName)
93	{
94	algorithmName = algorithmName.ToUpper(CultureInfo.InvariantCulture);
95
96	if (algorithms.ContainsKey(algorithmName))
97	{
98	return (DerObjectIdentifier)algorithms[algorithmName];
99	}
100
101	return new DerObjectIdentifier(algorithmName);
102	}
103
104
105	internal static string GetAlgorithmName(
106	DerObjectIdentifier oid)
107	{
108	if (oids.ContainsKey(oid))
109	{
110	return (string)oids[oid];
111	}
112
113	return oid.Id;
114	}
115
116	internal static AlgorithmIdentifier GetSigAlgID(
117	DerObjectIdentifier sigOid)
118	{
119	if (noParams.Contains(sigOid))
120	{
121	return new AlgorithmIdentifier(sigOid);
122	}
123
124	return new AlgorithmIdentifier(sigOid, DerNull.Instance);
125	}
126
127	internal static IEnumerable AlgNames
128	{
129	get { return new EnumerableProxy(algorithms.Keys); }
130	}
131	}
132	}

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