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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"
"crypto/rand"
"io"
"testing"
"filippo.io/age"
)
func TestX25519RoundTrip(t *testing.T) {
i, err := age.GenerateX25519Identity()
if err != nil {
t.Fatal(err)
}
r := i.Recipient()
if r1, err := age.ParseX25519Recipient(r.String()); err != nil {
t.Fatal(err)
} else if r1.String() != r.String() {
t.Errorf("recipient did not round-trip through parsing: got %q, want %q", r1, r)
}
if i1, err := age.ParseX25519Identity(i.String()); err != nil {
t.Fatal(err)
} else if i1.String() != i.String() {
t.Errorf("identity did not round-trip through parsing: got %q, want %q", i1, i)
}
fileKey := make([]byte, 16)
if _, err := rand.Read(fileKey); err != nil {
t.Fatal(err)
}
stanzas, err := r.Wrap(fileKey)
if err != nil {
t.Fatal(err)
}
out, err := i.Unwrap(stanzas)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(fileKey, out) {
t.Errorf("invalid output: %x, expected %x", out, fileKey)
}
}
func TestHybridRoundTrip(t *testing.T) {
i, err := age.GenerateHybridIdentity()
if err != nil {
t.Fatal(err)
}
r := i.Recipient()
if r1, err := age.ParseHybridRecipient(r.String()); err != nil {
t.Fatal(err)
} else if r1.String() != r.String() {
t.Errorf("recipient did not round-trip through parsing: got %q, want %q", r1, r)
}
if i1, err := age.ParseHybridIdentity(i.String()); err != nil {
t.Fatal(err)
} else if i1.String() != i.String() {
t.Errorf("identity did not round-trip through parsing: got %q, want %q", i1, i)
}
fileKey := make([]byte, 16)
if _, err := rand.Read(fileKey); err != nil {
t.Fatal(err)
}
stanzas, err := r.Wrap(fileKey)
if err != nil {
t.Fatal(err)
}
out, err := i.Unwrap(stanzas)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(fileKey, out) {
t.Errorf("invalid output: %x, expected %x", out, fileKey)
}
}
func TestHybridMixingRestrictions(t *testing.T) {
x25519, err := age.GenerateX25519Identity()
if err != nil {
t.Fatal(err)
}
hybrid, err := age.GenerateHybridIdentity()
if err != nil {
t.Fatal(err)
}
// Hybrid recipients can be used together.
if _, err := age.Encrypt(io.Discard, hybrid.Recipient(), hybrid.Recipient()); err != nil {
t.Errorf("expected two hybrid recipients to work, got %v", err)
}
// Hybrid and X25519 recipients cannot be mixed.
if _, err := age.Encrypt(io.Discard, hybrid.Recipient(), x25519.Recipient()); err == nil {
t.Error("expected hybrid mixed with X25519 to fail")
}
if _, err := age.Encrypt(io.Discard, x25519.Recipient(), hybrid.Recipient()); err == nil {
t.Error("expected X25519 mixed with hybrid to fail")
}
}
func TestScryptRoundTrip(t *testing.T) {
password := "twitch.tv/filosottile"
r, err := age.NewScryptRecipient(password)
if err != nil {
t.Fatal(err)
}
r.SetWorkFactor(15)
i, err := age.NewScryptIdentity(password)
if err != nil {
t.Fatal(err)
}
fileKey := make([]byte, 16)
if _, err := rand.Read(fileKey); err != nil {
t.Fatal(err)
}
stanzas, err := r.Wrap(fileKey)
if err != nil {
t.Fatal(err)
}
out, err := i.Unwrap(stanzas)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(fileKey, out) {
t.Errorf("invalid output: %x, expected %x", out, fileKey)
}
}
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