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81 lines
2.8 KiB
81 lines
2.8 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.IO;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Tls.Crypto;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Tls
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{
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public class PskTlsServer
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: AbstractTlsServer
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{
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private static readonly int[] DefaultCipherSuites = new int[]
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{
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CipherSuite.TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256,
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CipherSuite.TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384,
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CipherSuite.TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256,
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CipherSuite.TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA,
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CipherSuite.TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256,
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CipherSuite.TLS_DHE_PSK_WITH_AES_256_GCM_SHA384,
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CipherSuite.TLS_DHE_PSK_WITH_AES_128_GCM_SHA256,
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CipherSuite.TLS_DHE_PSK_WITH_AES_256_CBC_SHA384,
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CipherSuite.TLS_DHE_PSK_WITH_AES_128_CBC_SHA256,
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CipherSuite.TLS_DHE_PSK_WITH_AES_256_CBC_SHA,
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CipherSuite.TLS_DHE_PSK_WITH_AES_128_CBC_SHA
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};
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protected readonly TlsPskIdentityManager m_pskIdentityManager;
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public PskTlsServer(TlsCrypto crypto, TlsPskIdentityManager pskIdentityManager)
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: base(crypto)
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{
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this.m_pskIdentityManager = pskIdentityManager;
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}
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/// <exception cref="IOException"/>
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protected virtual TlsCredentialedDecryptor GetRsaEncryptionCredentials()
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{
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throw new TlsFatalAlert(AlertDescription.internal_error);
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}
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protected override ProtocolVersion[] GetSupportedVersions()
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{
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return ProtocolVersion.TLSv12.DownTo(ProtocolVersion.TLSv10);
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}
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protected override int[] GetSupportedCipherSuites()
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{
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return TlsUtilities.GetSupportedCipherSuites(Crypto, DefaultCipherSuites);
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}
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public override TlsCredentials GetCredentials()
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{
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int keyExchangeAlgorithm = m_context.SecurityParameters.KeyExchangeAlgorithm;
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switch (keyExchangeAlgorithm)
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{
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case KeyExchangeAlgorithm.DHE_PSK:
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case KeyExchangeAlgorithm.ECDHE_PSK:
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case KeyExchangeAlgorithm.PSK:
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return null;
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case KeyExchangeAlgorithm.RSA_PSK:
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return GetRsaEncryptionCredentials();
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default:
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// Note: internal error here; selected a key exchange we don't implement!
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throw new TlsFatalAlert(AlertDescription.internal_error);
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}
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}
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public override TlsPskIdentityManager GetPskIdentityManager()
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{
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return m_pskIdentityManager;
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}
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}
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}
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#pragma warning restore
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#endif
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