accounts/keystore: fix staticcheck warnings (#20373)

* accounts/keystore: fix staticcheck warnings

* review feedback
This commit is contained in:
Guillaume Ballet 2019-11-25 14:39:55 +01:00 committed by GitHub
parent b26eedf9e9
commit 8c1e8de839
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

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@ -123,6 +123,7 @@ func (ks keyStorePassphrase) StoreKey(filename string, key *Key, auth string) er
"Please file a ticket at:\n\n" +
"https://github.com/ethereum/go-ethereum/issues." +
"The error was : %s"
//lint:ignore ST1005 This is a message for the user
return fmt.Errorf(msg, tmpName, err)
}
}
@ -237,7 +238,7 @@ func DecryptKey(keyjson []byte, auth string) (*Key, error) {
func DecryptDataV3(cryptoJson CryptoJSON, auth string) ([]byte, error) {
if cryptoJson.Cipher != "aes-128-ctr" {
return nil, fmt.Errorf("Cipher not supported: %v", cryptoJson.Cipher)
return nil, fmt.Errorf("cipher not supported: %v", cryptoJson.Cipher)
}
mac, err := hex.DecodeString(cryptoJson.MAC)
if err != nil {
@ -273,7 +274,7 @@ func DecryptDataV3(cryptoJson CryptoJSON, auth string) ([]byte, error) {
func decryptKeyV3(keyProtected *encryptedKeyJSONV3, auth string) (keyBytes []byte, keyId []byte, err error) {
if keyProtected.Version != version {
return nil, nil, fmt.Errorf("Version not supported: %v", keyProtected.Version)
return nil, nil, fmt.Errorf("version not supported: %v", keyProtected.Version)
}
keyId = uuid.Parse(keyProtected.Id)
plainText, err := DecryptDataV3(keyProtected.Crypto, auth)
@ -335,13 +336,13 @@ func getKDFKey(cryptoJSON CryptoJSON, auth string) ([]byte, error) {
c := ensureInt(cryptoJSON.KDFParams["c"])
prf := cryptoJSON.KDFParams["prf"].(string)
if prf != "hmac-sha256" {
return nil, fmt.Errorf("Unsupported PBKDF2 PRF: %s", prf)
return nil, fmt.Errorf("unsupported PBKDF2 PRF: %s", prf)
}
key := pbkdf2.Key(authArray, salt, c, dkLen, sha256.New)
return key, nil
}
return nil, fmt.Errorf("Unsupported KDF: %s", cryptoJSON.KDF)
return nil, fmt.Errorf("unsupported KDF: %s", cryptoJSON.KDF)
}
// TODO: can we do without this when unmarshalling dynamic JSON?