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age_test.go
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age_test.go
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// Copyright 2019 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.
package age_test
import (
"bytes"
"fmt"
"io"
"log"
"os"
"strings"
"testing"
"filippo.io/age"
)
func ExampleEncrypt() {
publicKey := "age1cy0su9fwf3gf9mw868g5yut09p6nytfmmnktexz2ya5uqg9vl9sss4euqm"
recipient, err := age.ParseX25519Recipient(publicKey)
if err != nil {
log.Fatalf("Failed to parse public key %q: %v", publicKey, err)
}
out := &bytes.Buffer{}
w, err := age.Encrypt(out, recipient)
if err != nil {
log.Fatalf("Failed to create encrypted file: %v", err)
}
if _, err := io.WriteString(w, "Black lives matter."); err != nil {
log.Fatalf("Failed to write to encrypted file: %v", err)
}
if err := w.Close(); err != nil {
log.Fatalf("Failed to close encrypted file: %v", err)
}
fmt.Printf("Encrypted file size: %d\n", out.Len())
// Output:
// Encrypted file size: 219
}
// DO NOT hardcode the private key. Store it in a secret storage solution,
// on disk if the local machine is trusted, or have the user provide it.
var privateKey string
func init() {
privateKey = "AGE-SECRET-KEY-184JMZMVQH3E6U0PSL869004Y3U2NYV7R30EU99CSEDNPH02YUVFSZW44VU"
}
func ExampleDecrypt() {
identity, err := age.ParseX25519Identity(privateKey)
if err != nil {
log.Fatalf("Failed to parse private key: %v", err)
}
f, err := os.Open("testdata/example.age")
if err != nil {
log.Fatalf("Failed to open file: %v", err)
}
r, err := age.Decrypt(f, identity)
if err != nil {
log.Fatalf("Failed to open encrypted file: %v", err)
}
out := &bytes.Buffer{}
if _, err := io.Copy(out, r); err != nil {
log.Fatalf("Failed to read encrypted file: %v", err)
}
fmt.Printf("File contents: %q\n", out.Bytes())
// Output:
// File contents: "Black lives matter."
}
func ExampleParseIdentities() {
keyFile, err := os.Open("testdata/keys.txt")
if err != nil {
log.Fatalf("Failed to open private keys file: %v", err)
}
identities, err := age.ParseIdentities(keyFile)
if err != nil {
log.Fatalf("Failed to parse private key: %v", err)
}
f, err := os.Open("testdata/example.age")
if err != nil {
log.Fatalf("Failed to open file: %v", err)
}
r, err := age.Decrypt(f, identities...)
if err != nil {
log.Fatalf("Failed to open encrypted file: %v", err)
}
out := &bytes.Buffer{}
if _, err := io.Copy(out, r); err != nil {
log.Fatalf("Failed to read encrypted file: %v", err)
}
fmt.Printf("File contents: %q\n", out.Bytes())
// Output:
// File contents: "Black lives matter."
}
func ExampleGenerateX25519Identity() {
identity, err := age.GenerateX25519Identity()
if err != nil {
log.Fatalf("Failed to generate key pair: %v", err)
}
fmt.Printf("Public key: %s...\n", identity.Recipient().String()[:4])
fmt.Printf("Private key: %s...\n", identity.String()[:16])
// Output:
// Public key: age1...
// Private key: AGE-SECRET-KEY-1...
}
const helloWorld = "Hello, Twitch!"
func TestEncryptDecryptX25519(t *testing.T) {
a, err := age.GenerateX25519Identity()
if err != nil {
t.Fatal(err)
}
b, err := age.GenerateX25519Identity()
if err != nil {
t.Fatal(err)
}
buf := &bytes.Buffer{}
w, err := age.Encrypt(buf, a.Recipient(), b.Recipient())
if err != nil {
t.Fatal(err)
}
if _, err := io.WriteString(w, helloWorld); err != nil {
t.Fatal(err)
}
if err := w.Close(); err != nil {
t.Fatal(err)
}
out, err := age.Decrypt(buf, b)
if err != nil {
t.Fatal(err)
}
outBytes, err := io.ReadAll(out)
if err != nil {
t.Fatal(err)
}
if string(outBytes) != helloWorld {
t.Errorf("wrong data: %q, excepted %q", outBytes, helloWorld)
}
}
func TestEncryptDecryptScrypt(t *testing.T) {
password := "twitch.tv/filosottile"
r, err := age.NewScryptRecipient(password)
if err != nil {
t.Fatal(err)
}
r.SetWorkFactor(15)
buf := &bytes.Buffer{}
w, err := age.Encrypt(buf, r)
if err != nil {
t.Fatal(err)
}
if _, err := io.WriteString(w, helloWorld); err != nil {
t.Fatal(err)
}
if err := w.Close(); err != nil {
t.Fatal(err)
}
i, err := age.NewScryptIdentity(password)
if err != nil {
t.Fatal(err)
}
out, err := age.Decrypt(buf, i)
if err != nil {
t.Fatal(err)
}
outBytes, err := io.ReadAll(out)
if err != nil {
t.Fatal(err)
}
if string(outBytes) != helloWorld {
t.Errorf("wrong data: %q, excepted %q", outBytes, helloWorld)
}
}
func TestParseIdentities(t *testing.T) {
tests := []struct {
name string
wantCount int
wantErr bool
file string
}{
{"valid", 2, false, `
# this is a comment
# AGE-SECRET-KEY-1705XN76M8EYQ8M9PY4E2G3KA8DN7NSCGT3V4HMN20H3GCX4AS6HSSTG8D3
#
AGE-SECRET-KEY-1D6K0SGAX3NU66R4GYFZY0UQWCLM3UUSF3CXLW4KXZM342WQSJ82QKU59QJ
AGE-SECRET-KEY-19WUMFE89H3928FRJ5U3JYRNHM6CERQGKSQ584AQ8QY7T7R09D32SWE4DYH`},
{"invalid", 0, true, `
AGE-SECRET-KEY-1705XN76M8EYQ8M9PY4E2G3KA8DN7NSCGT3V4HMN20H3GCX4AS6HSSTG8D3
AGE-SECRET-KEY--1D6K0SGAX3NU66R4GYFZY0UQWCLM3UUSF3CXLW4KXZM342WQSJ82QKU59Q`},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := age.ParseIdentities(strings.NewReader(tt.file))
if (err != nil) != tt.wantErr {
t.Errorf("ParseIdentities() error = %v, wantErr %v", err, tt.wantErr)
return
}
if len(got) != tt.wantCount {
t.Errorf("ParseIdentities() returned %d identities, want %d", len(got), tt.wantCount)
}
})
}
}