gaspersic/go-ethereum
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* Use crypto.Sign instead of directly calling secp256k1 lib
* Rename UserAccount to Account and Addr to Address (for consistency)
* Change AccountManager.Sign to take ptr to Account instead of
  address byte array
* Simplify copying of Accounts in Accounts()
* PubkeyToAddress and GetEntropyCSPRNG now exported
This commit is contained in:
Gustav Simonsson
2015-01-28 05:12:57 +01:00
parent 512ffa2bf4
commit 8d9752a557
5 changed files with 21 additions and 27 deletions
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7
crypto/crypto.go
View File

@ -133,8 +133,7 @@ func ImportPreSaleKey(keyStore KeyStore2, keyJSON []byte, password string) (*Key
if err != nil {
return nil, err
}
id := uuid.NewRandom()
key.Id = id
key.Id = uuid.NewRandom()
err = keyStore.StoreKey(key, password)
return key, err
}
@ -167,7 +166,7 @@ func decryptPreSaleKey(fileContent []byte, password string) (key *Key, err error
ecKey := ToECDSA(ethPriv)
key = &Key{
Id: nil,
Address: pubkeyToAddress(ecKey.PublicKey),
Address: PubkeyToAddress(ecKey.PublicKey),
PrivateKey: ecKey,
}
derivedAddr := ethutil.Bytes2Hex(key.Address)
@ -225,7 +224,7 @@ func PKCS7Unpad(in []byte) []byte {
return in[:len(in)-int(padding)]
}
func pubkeyToAddress(p ecdsa.PublicKey) []byte {
func PubkeyToAddress(p ecdsa.PublicKey) []byte {
pubBytes := FromECDSAPub(&p)
return Sha3(pubBytes[1:])[12:]
}

2
crypto/key.go
View File

@ -102,7 +102,7 @@ func NewKey(rand io.Reader) *Key {
id := uuid.NewRandom()
key := &Key{
Id: id,
Address: pubkeyToAddress(privateKeyECDSA.PublicKey),
Address: PubkeyToAddress(privateKeyECDSA.PublicKey),
PrivateKey: privateKeyECDSA,
}
return key

6
crypto/key_store_passphrase.go
View File

@ -116,7 +116,7 @@ func (ks keyStorePassphrase) GetKeyAddresses() (addresses [][]byte, err error) {
func (ks keyStorePassphrase) StoreKey(key *Key, auth string) (err error) {
authArray := []byte(auth)
salt := getEntropyCSPRNG(32)
salt := GetEntropyCSPRNG(32)
derivedKey, err := scrypt.Key(authArray, salt, scryptN, scryptr, scryptp, scryptdkLen)
if err != nil {
return err
@ -131,7 +131,7 @@ func (ks keyStorePassphrase) StoreKey(key *Key, auth string) (err error) {
return err
}
iv := getEntropyCSPRNG(aes.BlockSize) // 16
iv := GetEntropyCSPRNG(aes.BlockSize) // 16
AES256CBCEncrypter := cipher.NewCBCEncrypter(AES256Block, iv)
cipherText := make([]byte, len(toEncrypt))
AES256CBCEncrypter.CryptBlocks(cipherText, toEncrypt)
@ -197,7 +197,7 @@ func DecryptKey(ks keyStorePassphrase, keyAddr []byte, auth string) (keyBytes []
return keyBytes, keyId, err
}
func getEntropyCSPRNG(n int) []byte {
func GetEntropyCSPRNG(n int) []byte {
mainBuff := make([]byte, n)
_, err := io.ReadFull(crand.Reader, mainBuff)
if err != nil {