terraform/vendor/github.com/joyent/triton-go/authentication/signature.go

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//
// Copyright (c) 2018, Joyent, Inc. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
package authentication
import (
"fmt"
"regexp"
)
type httpAuthSignature interface {
SignatureType() string
String() string
}
func keyFormatToKeyType(keyFormat string) (string, error) {
if keyFormat == "ssh-rsa" {
return "rsa", nil
}
if keyFormat == "ssh-ed25519" {
return "ed25519", nil
}
if regexp.MustCompile("^ecdsa-sha2-*").Match([]byte(keyFormat)) {
return "ecdsa", nil
}
return "", fmt.Errorf("Unknown key format: %s", keyFormat)
}