bc-csharp/crypto/src/tls/DefaultTlsClient.cs at master · bcgit/bc-csharp · GitHub

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
using System;

using Org.BouncyCastle.Tls.Crypto;

namespace Org.BouncyCastle.Tls
{
    public abstract class DefaultTlsClient
        : AbstractTlsClient
    {
        private static readonly int[] DefaultCipherSuites = new int[]
        {
            /*
             * TLS 1.3
             */
            CipherSuite.TLS_AES_128_GCM_SHA256,
            CipherSuite.TLS_CHACHA20_POLY1305_SHA256,

            /*
             * pre-TLS 1.3
             */
            CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
            CipherSuite.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
            CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
            CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
            CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
            CipherSuite.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
            CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
            CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
            CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
            CipherSuite.TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
            CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
            CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,

            // TODO[api] Remove RSA key exchange cipher suites from default list
            CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256,
            CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
            CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
        };

        public DefaultTlsClient(TlsCrypto crypto)
            : base(crypto)
        {
        }

        protected override int[] GetSupportedCipherSuites()
        {
            return TlsUtilities.GetSupportedCipherSuites(Crypto, DefaultCipherSuites);
        }
    }
}