forked from npgsql/npgsql
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathCipherSuiteInfo.cs
More file actions
161 lines (152 loc) · 11.6 KB
/
CipherSuiteInfo.cs
File metadata and controls
161 lines (152 loc) · 11.6 KB
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
#region License
// The PostgreSQL License
//
// Copyright (C) 2016 The Npgsql Development Team
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
namespace TlsClientStream
{
internal class CipherSuiteInfo
{
public CipherSuite Id;
public KeyExchange KeyExchange;
public int AesKeyLen;
public TLSHashAlgorithm HashAlgorithm;
public PRFAlgorithm PRFAlgorithm;
public AesMode AesMode;
public CipherSuiteInfo()
{
PRFAlgorithm = PRFAlgorithm.TLSPrfSHA256;
AesMode = AesMode.CBC;
}
public int MACLen => Utils.GetHashLen(HashAlgorithm);
public
#if NET45 || NET451
HMAC
#else
IncrementalHash
#endif
CreateHMAC(byte[] key)
{
switch (HashAlgorithm)
{
#if NET45 || NET451
case TLSHashAlgorithm.SHA1:
return new HMACSHA1(key);
case TLSHashAlgorithm.SHA256:
return new HMACSHA256(key);
case TLSHashAlgorithm.SHA384:
return new HMACSHA384(key);
case TLSHashAlgorithm.SHA512:
return new HMACSHA512(key);
#else
case TLSHashAlgorithm.SHA1:
return IncrementalHash.CreateHMAC(HashAlgorithmName.SHA1, key);
case TLSHashAlgorithm.SHA256:
return IncrementalHash.CreateHMAC(HashAlgorithmName.SHA256, key);
case TLSHashAlgorithm.SHA384:
return IncrementalHash.CreateHMAC(HashAlgorithmName.SHA384, key);
case TLSHashAlgorithm.SHA512:
return IncrementalHash.CreateHMAC(HashAlgorithmName.SHA512, key);
#endif
default:
throw new NotSupportedException();
}
}
public HMAC CreatePrfHMAC(byte[] key)
{
switch (PRFAlgorithm)
{
case PRFAlgorithm.TLSPrfSHA256:
return new HMACSHA256(key);
case PRFAlgorithm.TLSPrfSHA384:
return new HMACSHA384(key);
default:
throw new NotSupportedException();
}
}
public SignatureAlgorithm GetSignatureAlgorithm()
{
switch (KeyExchange)
{
case KeyExchange.DHE_DSS:
return SignatureAlgorithm.DSA;
case KeyExchange.DHE_RSA:
case KeyExchange.ECDH_RSA:
case KeyExchange.ECDHE_RSA:
return SignatureAlgorithm.RSA;
case KeyExchange.ECDH_ECDSA:
case KeyExchange.ECDHE_ECDSA:
return SignatureAlgorithm.ECDSA;
case KeyExchange.RSA:
default:
throw new NotSupportedException();
}
}
public bool IsAllowedBefore1_2 => AesMode == AesMode.CBC && (ushort)Id < 0xC023;
public static readonly CipherSuiteInfo[] Supported = new CipherSuiteInfo[] {
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA384, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, KeyExchange = KeyExchange.ECDHE_ECDSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA384, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.ECDHE_ECDSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.ECDHE_RSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.ECDHE_ECDSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.ECDHE_ECDSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.DHE_RSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.DHE_DSS, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA384, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA384, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA256, KeyExchange = KeyExchange.RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA, KeyExchange = KeyExchange.RSA, AesKeyLen = 256, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256, KeyExchange = KeyExchange.RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA256 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA, KeyExchange = KeyExchange.RSA, AesKeyLen = 128, HashAlgorithm = TLSHashAlgorithm.SHA1 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.ECDH_RSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.ECDH_ECDSA, AesKeyLen = 128, AesMode = AesMode.GCM },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_256_GCM_SHA384, KeyExchange = KeyExchange.RSA, AesKeyLen = 256, AesMode = AesMode.GCM, PRFAlgorithm = PRFAlgorithm.TLSPrfSHA384 },
new CipherSuiteInfo() { Id = CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256, KeyExchange = KeyExchange.RSA, AesKeyLen = 128, AesMode = AesMode.GCM }
};
}
}