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// Copyright 2023 The age Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.20
package plugin
import (
"crypto/ecdh"
"fmt"
"filippo.io/age/internal/bech32"
)
// EncodeX25519Recipient encodes a native X25519 recipient from a
// [crypto/ecdh.X25519] public key. It's meant for plugins that implement
// identities that are compatible with native recipients.
func EncodeX25519Recipient(pk *ecdh.PublicKey) (string, error) {
if pk.Curve() != ecdh.X25519() {
return "", fmt.Errorf("wrong ecdh Curve")
}
return bech32.Encode("age", pk.Bytes())
}
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