From b97b7537bc5cf77b8781bd699b17747ca2f02e1a Mon Sep 17 00:00:00 2001 From: Victor Vrantchan Date: Sun, 16 Oct 2016 09:55:33 -0400 Subject: [PATCH] encoding/pem: add Decode example For #16360. Change-Id: I99d1e5ab1f814f65b3066a498158a442f1bd477f Reviewed-on: https://go-review.googlesource.com/31137 Run-TryBot: Brad Fitzpatrick TryBot-Result: Gobot Gobot Reviewed-by: Brad Fitzpatrick --- src/encoding/pem/example_test.go | 44 ++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 src/encoding/pem/example_test.go diff --git a/src/encoding/pem/example_test.go b/src/encoding/pem/example_test.go new file mode 100644 index 0000000000..900b31c8ba --- /dev/null +++ b/src/encoding/pem/example_test.go @@ -0,0 +1,44 @@ +// 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" +) + +func ExampleDecode() { + var pubPEMData = []byte(` +-----BEGIN PUBLIC KEY----- +MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAlRuRnThUjU8/prwYxbty +WPT9pURI3lbsKMiB6Fn/VHOKE13p4D8xgOCADpdRagdT6n4etr9atzDKUSvpMtR3 +CP5noNc97WiNCggBjVWhs7szEe8ugyqF23XwpHQ6uV1LKH50m92MbOWfCtjU9p/x +qhNpQQ1AZhqNy5Gevap5k8XzRmjSldNAFZMY7Yv3Gi+nyCwGwpVtBUwhuLzgNFK/ +yDtw2WcWmUU7NuC8Q6MWvPebxVtCfVp/iQU6q60yyt6aGOBkhAX0LpKAEhKidixY +nP9PNVBvxgu3XZ4P36gZV6+ummKdBVnc3NqwBLu5+CcdRdusmHPHd5pHf4/38Z3/ +6qU2a/fPvWzceVTEgZ47QjFMTCTmCwNt29cvi7zZeQzjtwQgn4ipN9NibRH/Ax/q +TbIzHfrJ1xa2RteWSdFjwtxi9C20HUkjXSeI4YlzQMH0fPX6KCE7aVePTOnB69I/ +a9/q96DiXZajwlpq3wFctrs1oXqBp5DVrCIj8hU2wNgB7LtQ1mCtsYz//heai0K9 +PhE4X6hiE0YmeAZjR0uHl8M/5aW9xCoJ72+12kKpWAa0SFRWLy6FejNYCYpkupVJ +yecLk/4L1W0l6jQQZnWErXZYe0PNFcmwGXy1Rep83kfBRNKRy5tvocalLlwXLdUk +AIU+2GKjyT3iMuzZxxFxPFMCAwEAAQ== +-----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" +} -- 2.48.1