aboutsummaryrefslogtreecommitdiffstats
path: root/whisper
diff options
context:
space:
mode:
authorFelix Lange <fjl@users.noreply.github.com>2017-02-18 16:24:12 +0800
committerJeffrey Wilcke <jeffrey@ethereum.org>2017-02-18 16:24:12 +0800
commit9b0af513867fad4aeb3516e4711dd0ea4f5bc90c (patch)
treeb37d808d57873c6aec550431534e26602dfd0475 /whisper
parentbf21549faa7de6e2b920855468b14856c6f503c4 (diff)
downloadgo-tangerine-9b0af513867fad4aeb3516e4711dd0ea4f5bc90c.tar
go-tangerine-9b0af513867fad4aeb3516e4711dd0ea4f5bc90c.tar.gz
go-tangerine-9b0af513867fad4aeb3516e4711dd0ea4f5bc90c.tar.bz2
go-tangerine-9b0af513867fad4aeb3516e4711dd0ea4f5bc90c.tar.lz
go-tangerine-9b0af513867fad4aeb3516e4711dd0ea4f5bc90c.tar.xz
go-tangerine-9b0af513867fad4aeb3516e4711dd0ea4f5bc90c.tar.zst
go-tangerine-9b0af513867fad4aeb3516e4711dd0ea4f5bc90c.zip
crypto: add btcec fallback for sign/recover without cgo (#3680)
* vendor: add github.com/btcsuite/btcd/btcec * crypto: add btcec fallback for sign/recover without cgo This commit adds a non-cgo fallback implementation of secp256k1 operations. * crypto, core/vm: remove wrappers for sha256, ripemd160
Diffstat (limited to 'whisper')
-rw-r--r--whisper/whisperv2/message.go6
-rw-r--r--whisper/whisperv2/message_test.go9
-rw-r--r--whisper/whisperv5/message.go5
3 files changed, 11 insertions, 9 deletions
diff --git a/whisper/whisperv2/message.go b/whisper/whisperv2/message.go
index 7ef9d0912..e55544ffc 100644
--- a/whisper/whisperv2/message.go
+++ b/whisper/whisperv2/message.go
@@ -21,11 +21,13 @@ package whisperv2
import (
"crypto/ecdsa"
+ crand "crypto/rand"
"math/rand"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/crypto/ecies"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
@@ -131,13 +133,13 @@ func (self *Message) Recover() *ecdsa.PublicKey {
// encrypt encrypts a message payload with a public key.
func (self *Message) encrypt(key *ecdsa.PublicKey) (err error) {
- self.Payload, err = crypto.Encrypt(key, self.Payload)
+ self.Payload, err = ecies.Encrypt(crand.Reader, ecies.ImportECDSAPublic(key), self.Payload, nil, nil)
return
}
// decrypt decrypts an encrypted payload with a private key.
func (self *Message) decrypt(key *ecdsa.PrivateKey) error {
- cleartext, err := crypto.Decrypt(key, self.Payload)
+ cleartext, err := ecies.ImportECDSA(key).Decrypt(crand.Reader, self.Payload, nil, nil)
if err == nil {
self.Payload = cleartext
}
diff --git a/whisper/whisperv2/message_test.go b/whisper/whisperv2/message_test.go
index d3b307d2a..c760ac54c 100644
--- a/whisper/whisperv2/message_test.go
+++ b/whisper/whisperv2/message_test.go
@@ -23,7 +23,6 @@ import (
"time"
"github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/crypto/secp256k1"
)
// Tests whether a message can be wrapped without any identity or encryption.
@@ -73,8 +72,8 @@ func TestMessageCleartextSignRecover(t *testing.T) {
if pubKey == nil {
t.Fatalf("failed to recover public key")
}
- p1 := elliptic.Marshal(secp256k1.S256(), key.PublicKey.X, key.PublicKey.Y)
- p2 := elliptic.Marshal(secp256k1.S256(), pubKey.X, pubKey.Y)
+ 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.Fatalf("public key mismatch: have 0x%x, want 0x%x", p2, p1)
}
@@ -151,8 +150,8 @@ func TestMessageFullCrypto(t *testing.T) {
if pubKey == nil {
t.Fatalf("failed to recover public key")
}
- p1 := elliptic.Marshal(secp256k1.S256(), fromKey.PublicKey.X, fromKey.PublicKey.Y)
- p2 := elliptic.Marshal(secp256k1.S256(), pubKey.X, pubKey.Y)
+ 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)
}
diff --git a/whisper/whisperv5/message.go b/whisper/whisperv5/message.go
index a095f7c0c..255ad380d 100644
--- a/whisper/whisperv5/message.go
+++ b/whisper/whisperv5/message.go
@@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/crypto/ecies"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"golang.org/x/crypto/pbkdf2"
@@ -163,7 +164,7 @@ func (msg *SentMessage) encryptAsymmetric(key *ecdsa.PublicKey) error {
if !ValidatePublicKey(key) {
return fmt.Errorf("Invalid public key provided for asymmetric encryption")
}
- encrypted, err := crypto.Encrypt(key, msg.Raw)
+ encrypted, err := ecies.Encrypt(crand.Reader, ecies.ImportECDSAPublic(key), msg.Raw, nil, nil)
if err == nil {
msg.Raw = encrypted
}
@@ -293,7 +294,7 @@ func (msg *ReceivedMessage) decryptSymmetric(key []byte, salt []byte, nonce []by
// decryptAsymmetric decrypts an encrypted payload with a private key.
func (msg *ReceivedMessage) decryptAsymmetric(key *ecdsa.PrivateKey) error {
- decrypted, err := crypto.Decrypt(key, msg.Raw)
+ decrypted, err := ecies.ImportECDSA(key).Decrypt(crand.Reader, msg.Raw, nil, nil)
if err == nil {
msg.Raw = decrypted
}