func coreVerify(typ, pub, hash, sig string) (result bool, err error) {
keyT, err := crypto.KeyTypeFromString(typ)
if err != nil {
return result, err
}
hashB, err := hex.DecodeString(hash)
if err != nil {
return result, fmt.Errorf("hash is invalid hex: %s", err.Error())
}
pubB, err := hex.DecodeString(pub)
if err != nil {
return result, fmt.Errorf("addr is invalid hex: %s", err.Error())
}
sigB, err := hex.DecodeString(sig)
if err != nil {
return result, fmt.Errorf("sig is invalid hex: %s", err.Error())
}
result, err = crypto.Verify(keyT.CurveType, hashB, sigB, pubB)
if err != nil {
return result, fmt.Errorf("error verifying signature %x for pubkey %x: %v", sigB, pubB, err)
}
return
}
func coreKeygen(auth, keyType string) ([]byte, error) {
var keyStore crypto.KeyStore
var err error
logger.Infof("Generating new key. Type (%s). Encrypted (%v)\n", keyType, auth != "")
if auth == "" {
keyStore, err = newKeyStore()
if err != nil {
return nil, err
}
} else {
keyStore = AccountManager.KeyStore()
}
var key *crypto.Key
keyT, err := crypto.KeyTypeFromString(keyType)
if err != nil {
return nil, err
}
key, err = keyStore.GenerateNewKey(keyT, auth)
if err != nil {
return nil, fmt.Errorf("error generating key %s %s", keyType, err)
}
logger.Infof("Generated new key. Address (%x). Type (%s). Encrypted (%v)\n", key.Address, key.Type, auth != "")
return key.Address, nil
}
func coreImport(auth, keyType, theKey string) ([]byte, error) {
var keyStore crypto.KeyStore
var err error
logger.Infof("Importing key. Type (%s). Encrypted (%v)\n", keyType, auth != "")
if auth == "" {
if keyStore, err = newKeyStore(); err != nil {
return nil, err
}
} else {
keyStore = AccountManager.KeyStore()
}
// TODO: unmarshal json and use auth to encrypt
// if theKey is actually json, make sure
// its a valid key, write to file
if len(theKey) > 0 && theKey[:1] == "{" {
keyJson := []byte(theKey)
if addr := crypto.IsValidKeyJson(keyJson); addr != nil {
return writeKey(KeysDir, addr, keyJson)
} else {
return nil, fmt.Errorf("invalid json key passed on command line")
}
}
// else theKey is presumably a hex encoded private key
keyBytes, err := hex.DecodeString(theKey)
if err != nil {
return nil, fmt.Errorf("private key is not a valid json or is invalid hex: %v", err)
}
keyT, err := crypto.KeyTypeFromString(keyType)
if err != nil {
return nil, err
}
key, err := crypto.NewKeyFromPriv(keyT, keyBytes)
if err != nil {
return nil, err
}
// store the new key
if err = keyStore.StoreKey(key, auth); err != nil {
return nil, err
}
return key.Address, nil
}