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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pem_test
import (
"crypto/x509"
"encoding/pem"
"fmt"
"log"
"os"
)
func ExampleDecode() {
var pubPEMData = []byte(`
-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----
and some more`)
block, rest := pem.Decode(pubPEMData)
if block == nil || block.Type != "PUBLIC KEY" {
log.Fatal("failed to decode PEM block containing public key")
}
pub, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
log.Fatal(err)
}
fmt.Printf("Got a %T, with remaining data: %q", pub, rest)
// Output: Got a *rsa.PublicKey, with remaining data: "and some more"
}
func ExampleEncode() {
block := &pem.Block{
Type: "MESSAGE",
Headers: map[string]string{
"Animal": "Gopher",
},
Bytes: []byte("test"),
}
if err := pem.Encode(os.Stdout, block); err != nil {
log.Fatal(err)
}
// Output:
// -----BEGIN MESSAGE-----
// Animal: Gopher
//
// dGVzdA==
// -----END MESSAGE-----
}