mirror of
https://github.com/etcd-io/etcd.git
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60e44286fa
In fact this commit rewrites the functionality to use upstream list of ciphers instead of checking whether the lists are in sync using ast analysis.
40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
// Copyright 2018 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tlsutil
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import "crypto/tls"
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// GetCipherSuite returns the corresponding cipher suite,
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// and boolean value if it is supported.
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func GetCipherSuite(s string) (uint16, bool) {
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for _, c := range tls.CipherSuites() {
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if s == c.Name {
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return c.ID, true
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}
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}
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for _, c := range tls.InsecureCipherSuites() {
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if s == c.Name {
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return c.ID, true
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}
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}
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switch s {
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case "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305":
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return tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, true
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case "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305":
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return tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256, true
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}
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return 0, false
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}
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