1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
using System;
using System.Collections;
using System.IO;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.CryptoPro;
using Org.BouncyCastle.Asn1.Nist;
using Org.BouncyCastle.Asn1.Oiw;
using Org.BouncyCastle.Asn1.Pkcs;
using Org.BouncyCastle.Asn1.TeleTrust;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Asn1.X9;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Security;
using Org.BouncyCastle.Utilities;
using Org.BouncyCastle.Utilities.Collections;
namespace Org.BouncyCastle.X509
{
internal class X509Utilities
{
private static readonly IDictionary algorithms = Platform.CreateHashtable();
private static readonly IDictionary exParams = Platform.CreateHashtable();
private static readonly ISet noParams = new HashSet();
static X509Utilities()
{
algorithms.Add("MD2WITHRSAENCRYPTION", PkcsObjectIdentifiers.MD2WithRsaEncryption);
algorithms.Add("MD2WITHRSA", PkcsObjectIdentifiers.MD2WithRsaEncryption);
algorithms.Add("MD5WITHRSAENCRYPTION", PkcsObjectIdentifiers.MD5WithRsaEncryption);
algorithms.Add("MD5WITHRSA", PkcsObjectIdentifiers.MD5WithRsaEncryption);
algorithms.Add("SHA1WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
algorithms.Add("SHA-1WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
algorithms.Add("SHA1WITHRSA", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
algorithms.Add("SHA-1WITHRSA", PkcsObjectIdentifiers.Sha1WithRsaEncryption);
algorithms.Add("SHA224WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
algorithms.Add("SHA-224WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
algorithms.Add("SHA224WITHRSA", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
algorithms.Add("SHA-224WITHRSA", PkcsObjectIdentifiers.Sha224WithRsaEncryption);
algorithms.Add("SHA256WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
algorithms.Add("SHA-256WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
algorithms.Add("SHA256WITHRSA", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
algorithms.Add("SHA-256WITHRSA", PkcsObjectIdentifiers.Sha256WithRsaEncryption);
algorithms.Add("SHA384WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
algorithms.Add("SHA-384WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
algorithms.Add("SHA384WITHRSA", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
algorithms.Add("SHA-384WITHRSA", PkcsObjectIdentifiers.Sha384WithRsaEncryption);
algorithms.Add("SHA512WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
algorithms.Add("SHA-512WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
algorithms.Add("SHA512WITHRSA", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
algorithms.Add("SHA-512WITHRSA", PkcsObjectIdentifiers.Sha512WithRsaEncryption);
algorithms.Add("SHA512(224)WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
algorithms.Add("SHA-512(224)WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
algorithms.Add("SHA512(224)WITHRSA", PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
algorithms.Add("SHA-512(224)WITHRSA", PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
algorithms.Add("SHA512(256)WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
algorithms.Add("SHA-512(256)WITHRSAENCRYPTION", PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
algorithms.Add("SHA512(256)WITHRSA", PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
algorithms.Add("SHA-512(256)WITHRSA", PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
algorithms.Add("SHA1WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("SHA224WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("SHA256WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("SHA384WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("SHA512WITHRSAANDMGF1", PkcsObjectIdentifiers.IdRsassaPss);
algorithms.Add("RIPEMD160WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160);
algorithms.Add("RIPEMD160WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160);
algorithms.Add("RIPEMD128WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128);
algorithms.Add("RIPEMD128WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128);
algorithms.Add("RIPEMD256WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256);
algorithms.Add("RIPEMD256WITHRSA", TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256);
algorithms.Add("SHA1WITHDSA", X9ObjectIdentifiers.IdDsaWithSha1);
algorithms.Add("DSAWITHSHA1", X9ObjectIdentifiers.IdDsaWithSha1);
algorithms.Add("SHA224WITHDSA", NistObjectIdentifiers.DsaWithSha224);
algorithms.Add("SHA256WITHDSA", NistObjectIdentifiers.DsaWithSha256);
algorithms.Add("SHA384WITHDSA", NistObjectIdentifiers.DsaWithSha384);
algorithms.Add("SHA512WITHDSA", NistObjectIdentifiers.DsaWithSha512);
algorithms.Add("SHA1WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha1);
algorithms.Add("ECDSAWITHSHA1", X9ObjectIdentifiers.ECDsaWithSha1);
algorithms.Add("SHA224WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha224);
algorithms.Add("SHA256WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha256);
algorithms.Add("SHA384WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha384);
algorithms.Add("SHA512WITHECDSA", X9ObjectIdentifiers.ECDsaWithSha512);
algorithms.Add("GOST3411WITHGOST3410", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94);
algorithms.Add("GOST3411WITHGOST3410-94", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94);
algorithms.Add("GOST3411WITHECGOST3410", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
algorithms.Add("GOST3411WITHECGOST3410-2001", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
algorithms.Add("GOST3411WITHGOST3410-2001", CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
//
// According to RFC 3279, the ASN.1 encoding SHALL (id-dsa-with-sha1) or MUST (ecdsa-with-SHA*) omit the parameters field.
// The parameters field SHALL be NULL for RSA based signature algorithms.
//
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha1);
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha224);
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha256);
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha384);
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha512);
noParams.Add(X9ObjectIdentifiers.IdDsaWithSha1);
noParams.Add(OiwObjectIdentifiers.DsaWithSha1);
noParams.Add(NistObjectIdentifiers.DsaWithSha224);
noParams.Add(NistObjectIdentifiers.DsaWithSha256);
noParams.Add(NistObjectIdentifiers.DsaWithSha384);
noParams.Add(NistObjectIdentifiers.DsaWithSha512);
//
// RFC 4491
//
noParams.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94);
noParams.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
//
// explicit params
//
AlgorithmIdentifier sha1AlgId = new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1, DerNull.Instance);
exParams.Add("SHA1WITHRSAANDMGF1", CreatePssParams(sha1AlgId, 20));
AlgorithmIdentifier sha224AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha224, DerNull.Instance);
exParams.Add("SHA224WITHRSAANDMGF1", CreatePssParams(sha224AlgId, 28));
AlgorithmIdentifier sha256AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha256, DerNull.Instance);
exParams.Add("SHA256WITHRSAANDMGF1", CreatePssParams(sha256AlgId, 32));
AlgorithmIdentifier sha384AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha384, DerNull.Instance);
exParams.Add("SHA384WITHRSAANDMGF1", CreatePssParams(sha384AlgId, 48));
AlgorithmIdentifier sha512AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha512, DerNull.Instance);
exParams.Add("SHA512WITHRSAANDMGF1", CreatePssParams(sha512AlgId, 64));
}
private static RsassaPssParameters CreatePssParams(
AlgorithmIdentifier hashAlgId,
int saltSize)
{
return new RsassaPssParameters(
hashAlgId,
new AlgorithmIdentifier(PkcsObjectIdentifiers.IdMgf1, hashAlgId),
new DerInteger(saltSize),
new DerInteger(1));
}
internal static DerObjectIdentifier GetAlgorithmOid(
string algorithmName)
{
algorithmName = Platform.ToUpperInvariant(algorithmName);
if (algorithms.Contains(algorithmName))
{
return (DerObjectIdentifier) algorithms[algorithmName];
}
return new DerObjectIdentifier(algorithmName);
}
internal static AlgorithmIdentifier GetSigAlgID(
DerObjectIdentifier sigOid,
string algorithmName)
{
if (noParams.Contains(sigOid))
{
return new AlgorithmIdentifier(sigOid);
}
algorithmName = Platform.ToUpperInvariant(algorithmName);
if (exParams.Contains(algorithmName))
{
return new AlgorithmIdentifier(sigOid, (Asn1Encodable) exParams[algorithmName]);
}
return new AlgorithmIdentifier(sigOid, DerNull.Instance);
}
internal static IEnumerable GetAlgNames()
{
return new EnumerableProxy(algorithms.Keys);
}
internal static byte[] GetSignatureForObject(
DerObjectIdentifier sigOid, // TODO Redundant now?
string sigName,
AsymmetricKeyParameter privateKey,
SecureRandom random,
Asn1Encodable ae)
{
if (sigOid == null)
throw new ArgumentNullException("sigOid");
ISigner sig = SignerUtilities.GetSigner(sigName);
if (random != null)
{
sig.Init(true, new ParametersWithRandom(privateKey, random));
}
else
{
sig.Init(true, privateKey);
}
byte[] encoded = ae.GetDerEncoded();
sig.BlockUpdate(encoded, 0, encoded.Length);
return sig.GenerateSignature();
}
}
}
|
