github.com/FenixAra/go@v0.0.0-20170127160404-96ea0918e670/src/encoding/pem/example_test.go (about)

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package pem_test
     6  
     7  import (
     8  	"crypto/x509"
     9  	"encoding/pem"
    10  	"fmt"
    11  	"log"
    12  )
    13  
    14  func ExampleDecode() {
    15  	var pubPEMData = []byte(`
    16  -----BEGIN PUBLIC KEY-----
    17  MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAlRuRnThUjU8/prwYxbty
    18  WPT9pURI3lbsKMiB6Fn/VHOKE13p4D8xgOCADpdRagdT6n4etr9atzDKUSvpMtR3
    19  CP5noNc97WiNCggBjVWhs7szEe8ugyqF23XwpHQ6uV1LKH50m92MbOWfCtjU9p/x
    20  qhNpQQ1AZhqNy5Gevap5k8XzRmjSldNAFZMY7Yv3Gi+nyCwGwpVtBUwhuLzgNFK/
    21  yDtw2WcWmUU7NuC8Q6MWvPebxVtCfVp/iQU6q60yyt6aGOBkhAX0LpKAEhKidixY
    22  nP9PNVBvxgu3XZ4P36gZV6+ummKdBVnc3NqwBLu5+CcdRdusmHPHd5pHf4/38Z3/
    23  6qU2a/fPvWzceVTEgZ47QjFMTCTmCwNt29cvi7zZeQzjtwQgn4ipN9NibRH/Ax/q
    24  TbIzHfrJ1xa2RteWSdFjwtxi9C20HUkjXSeI4YlzQMH0fPX6KCE7aVePTOnB69I/
    25  a9/q96DiXZajwlpq3wFctrs1oXqBp5DVrCIj8hU2wNgB7LtQ1mCtsYz//heai0K9
    26  PhE4X6hiE0YmeAZjR0uHl8M/5aW9xCoJ72+12kKpWAa0SFRWLy6FejNYCYpkupVJ
    27  yecLk/4L1W0l6jQQZnWErXZYe0PNFcmwGXy1Rep83kfBRNKRy5tvocalLlwXLdUk
    28  AIU+2GKjyT3iMuzZxxFxPFMCAwEAAQ==
    29  -----END PUBLIC KEY-----
    30  and some more`)
    31  
    32  	block, rest := pem.Decode(pubPEMData)
    33  	if block == nil || block.Type != "PUBLIC KEY" {
    34  		log.Fatal("failed to decode PEM block containing public key")
    35  	}
    36  
    37  	pub, err := x509.ParsePKIXPublicKey(block.Bytes)
    38  	if err != nil {
    39  		log.Fatal(err)
    40  	}
    41  
    42  	fmt.Printf("Got a %T, with remaining data: %q", pub, rest)
    43  	// Output: Got a *rsa.PublicKey, with remaining data: "and some more"
    44  }