diff options
Diffstat (limited to 'crypto/key_store_passphrase.go')
| -rw-r--r-- | crypto/key_store_passphrase.go | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/crypto/key_store_passphrase.go b/crypto/key_store_passphrase.go index 0862b7886..7d21b6604 100644 --- a/crypto/key_store_passphrase.go +++ b/crypto/key_store_passphrase.go @@ -20,6 +20,7 @@ * @date 2015 * */ + /* This key store behaves as KeyStorePlain with the difference that @@ -64,17 +65,18 @@ package crypto import ( "bytes" - "code.google.com/p/go-uuid/uuid" - "code.google.com/p/go.crypto/scrypt" "crypto/aes" "crypto/cipher" - crand "crypto/rand" "encoding/hex" "encoding/json" "errors" "io" "os" "path" + + "code.google.com/p/go-uuid/uuid" + "github.com/ethereum/go-ethereum/crypto/randentropy" + "golang.org/x/crypto/scrypt" ) const ( @@ -116,7 +118,7 @@ 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 := randentropy.GetEntropyMixed(32) derivedKey, err := scrypt.Key(authArray, salt, scryptN, scryptr, scryptp, scryptdkLen) if err != nil { return err @@ -131,7 +133,7 @@ func (ks keyStorePassphrase) StoreKey(key *Key, auth string) (err error) { return err } - iv := GetEntropyCSPRNG(aes.BlockSize) // 16 + iv := randentropy.GetEntropyMixed(aes.BlockSize) // 16 AES256CBCEncrypter := cipher.NewCBCEncrypter(AES256Block, iv) cipherText := make([]byte, len(toEncrypt)) AES256CBCEncrypter.CryptBlocks(cipherText, toEncrypt) @@ -196,12 +198,3 @@ func DecryptKey(ks keyStorePassphrase, keyAddr []byte, auth string) (keyBytes [] } return keyBytes, keyId, err } - -func GetEntropyCSPRNG(n int) []byte { - mainBuff := make([]byte, n) - _, err := io.ReadFull(crand.Reader, mainBuff) - if err != nil { - panic("key generation: reading from crypto/rand failed: " + err.Error()) - } - return mainBuff -} |