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authorPéter Szilágyi <peterke@gmail.com>2015-04-10 20:53:21 +0800
committerPéter Szilágyi <peterke@gmail.com>2015-04-10 20:53:21 +0800
commit7d8ce53eca90a6e93e49d584a2cff5e39aea40c0 (patch)
tree1f42e76be9c66a55407741aa15aa659fdf408850 /whisper/message_test.go
parent7e54a9c07f10ff16aabfe8bd3944c9309d4efc06 (diff)
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whisper: polish the messages, fix some bugs, tests
Bugs fixed: - Use randomly generated flags as the spec required. - During envelope opening check the first bit only for signature.
Diffstat (limited to 'whisper/message_test.go')
-rw-r--r--whisper/message_test.go134
1 files changed, 111 insertions, 23 deletions
diff --git a/whisper/message_test.go b/whisper/message_test.go
index 93caa31b3..ed24d37d8 100644
--- a/whisper/message_test.go
+++ b/whisper/message_test.go
@@ -3,48 +3,136 @@ package whisper
import (
"bytes"
"crypto/elliptic"
- "fmt"
"testing"
"github.com/ethereum/go-ethereum/crypto"
)
-func TestSign(t *testing.T) {
- prv, _ := crypto.GenerateKey()
- msg := NewMessage([]byte("hello world"))
- msg.sign(prv)
+// Tests whether a message can be wrapped without any identity or encryption.
+func TestMessageSimpleWrap(t *testing.T) {
+ payload := []byte("hello world")
+
+ msg := NewMessage(payload)
+ if _, err := msg.Wrap(DefaultPow, Options{}); err != nil {
+ t.Fatalf("failed to wrap message: %v", err)
+ }
+ if msg.Flags&128 != 0 {
+ t.Fatalf("signature flag mismatch: have %d, want %d", (msg.Flags&128)>>7, 0)
+ }
+ if len(msg.Signature) != 0 {
+ t.Fatalf("signature found for simple wrapping: 0x%x", msg.Signature)
+ }
+ if bytes.Compare(msg.Payload, payload) != 0 {
+ t.Fatalf("payload mismatch after wrapping: have 0x%x, want 0x%x", msg.Payload, payload)
+ }
+}
+
+// Tests whether a message can be signed, and wrapped in plain-text.
+func TestMessageCleartextSignRecover(t *testing.T) {
+ key, err := crypto.GenerateKey()
+ if err != nil {
+ t.Fatalf("failed to create crypto key: %v", err)
+ }
+ payload := []byte("hello world")
+
+ msg := NewMessage(payload)
+ if _, err := msg.Wrap(DefaultPow, Options{
+ From: key,
+ }); err != nil {
+ t.Fatalf("failed to sign message: %v", err)
+ }
+ if msg.Flags&128 != 128 {
+ t.Fatalf("signature flag mismatch: have %d, want %d", (msg.Flags&128)>>7, 1)
+ }
+ if bytes.Compare(msg.Payload, payload) != 0 {
+ t.Fatalf("payload mismatch after signing: have 0x%x, want 0x%x", msg.Payload, payload)
+ }
pubKey := msg.Recover()
- p1 := elliptic.Marshal(crypto.S256(), prv.PublicKey.X, prv.PublicKey.Y)
+ if pubKey == nil {
+ t.Fatalf("failed to recover public key")
+ }
+ p1 := elliptic.Marshal(crypto.S256(), key.PublicKey.X, key.PublicKey.Y)
p2 := elliptic.Marshal(crypto.S256(), pubKey.X, pubKey.Y)
-
if !bytes.Equal(p1, p2) {
- t.Error("recovered pub key did not match")
+ t.Fatalf("public key mismatch: have 0x%x, want 0x%x", p2, p1)
}
}
-func TestMessageEncryptDecrypt(t *testing.T) {
- prv1, _ := crypto.GenerateKey()
- prv2, _ := crypto.GenerateKey()
+// Tests whether a message can be encrypted and decrypted using an anonymous
+// sender (i.e. no signature).
+func TestMessageAnonymousEncryptDecrypt(t *testing.T) {
+ key, err := crypto.GenerateKey()
+ if err != nil {
+ t.Fatalf("failed to create recipient crypto key: %v", err)
+ }
+ payload := []byte("hello world")
- data := []byte("hello world")
- msg := NewMessage(data)
- envelope, err := msg.Seal(DefaultPow, Opts{
- From: prv1,
- To: &prv2.PublicKey,
+ msg := NewMessage(payload)
+ envelope, err := msg.Wrap(DefaultPow, Options{
+ To: &key.PublicKey,
})
if err != nil {
- fmt.Println(err)
- t.FailNow()
+ t.Fatalf("failed to encrypt message: %v", err)
+ }
+ if msg.Flags&128 != 0 {
+ t.Fatalf("signature flag mismatch: have %d, want %d", (msg.Flags&128)>>7, 0)
+ }
+ if len(msg.Signature) != 0 {
+ t.Fatalf("signature found for anonymous message: 0x%x", msg.Signature)
}
- msg1, err := envelope.Open(prv2)
+ out, err := envelope.Open(key)
if err != nil {
- t.Error(err)
- t.FailNow()
+ t.Fatalf("failed to open encrypted message: %v", err)
+ }
+ if !bytes.Equal(out.Payload, payload) {
+ t.Error("payload mismatch: have 0x%x, want 0x%x", out.Payload, payload)
+ }
+}
+
+// Tests whether a message can be properly signed and encrypted.
+func TestMessageFullCrypto(t *testing.T) {
+ fromKey, err := crypto.GenerateKey()
+ if err != nil {
+ t.Fatalf("failed to create sender crypto key: %v", err)
+ }
+ toKey, err := crypto.GenerateKey()
+ if err != nil {
+ t.Fatalf("failed to create recipient crypto key: %v", err)
}
- if !bytes.Equal(msg1.Payload, data) {
- t.Error("encryption error. data did not match")
+ payload := []byte("hello world")
+ msg := NewMessage(payload)
+ envelope, err := msg.Wrap(DefaultPow, Options{
+ From: fromKey,
+ To: &toKey.PublicKey,
+ })
+ if err != nil {
+ t.Fatalf("failed to encrypt message: %v", err)
+ }
+ if msg.Flags&128 != 128 {
+ t.Fatalf("signature flag mismatch: have %d, want %d", (msg.Flags&128)>>7, 1)
+ }
+ if len(msg.Signature) == 0 {
+ t.Fatalf("no signature found for signed message")
+ }
+
+ out, err := envelope.Open(toKey)
+ if err != nil {
+ t.Fatalf("failed to open encrypted message: %v", err)
+ }
+ if !bytes.Equal(out.Payload, payload) {
+ t.Error("payload mismatch: have 0x%x, want 0x%x", out.Payload, payload)
+ }
+
+ pubKey := out.Recover()
+ if pubKey == nil {
+ t.Fatalf("failed to recover public key")
+ }
+ p1 := elliptic.Marshal(crypto.S256(), fromKey.PublicKey.X, fromKey.PublicKey.Y)
+ p2 := elliptic.Marshal(crypto.S256(), pubKey.X, pubKey.Y)
+ if !bytes.Equal(p1, p2) {
+ t.Fatalf("public key mismatch: have 0x%x, want 0x%x", p2, p1)
}
}