/
cipher.go
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/
cipher.go
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// Copyright 2021 Antrea Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cipher
import (
"crypto/tls"
"strings"
"k8s.io/component-base/cli/flag"
)
var TLSVersionMap = map[string]uint16{
"VersionTLS10": tls.VersionTLS10,
"VersionTLS11": tls.VersionTLS11,
"VersionTLS12": tls.VersionTLS12,
"VersionTLS13": tls.VersionTLS13,
}
// GenerateCipherSuitesList generates Cipher Suite list from comma-separated Cipher Suite string.
func GenerateCipherSuitesList(cipherSuites string) ([]uint16, error) {
csStrList := strings.Split(strings.ReplaceAll(cipherSuites, " ", ""), ",")
if len(csStrList) == 1 && csStrList[0] == "" {
return []uint16{}, nil
}
csIntList, err := flag.TLSCipherSuites(csStrList)
if err != nil {
return nil, err
}
return csIntList, nil
}