move extra to NetworkSettings

common/crypt/aes.go

@@ -0,0 +1,30 @@
+package crypt
+
+import (
+	"crypto/aes"
+	"encoding/base64"
+)
+
+func AesEncrypt(data []byte, key []byte) (string, error) {
+	a, err := aes.NewCipher(key)
+	if err != nil {
+		return "", err
+	}
+	en := make([]byte, 0, len(data))
+	a.Encrypt(en, data)
+	return base64.StdEncoding.EncodeToString(en), nil
+}
+
+func AesDecrypt(data string, key []byte) (string, error) {
+	d, err := base64.StdEncoding.DecodeString(data)
+	if err != nil {
+		return "", err
+	}
+	a, err := aes.NewCipher(key)
+	if err != nil {
+		return "", err
+	}
+	de := make([]byte, 0, len(data))
+	a.Decrypt(de, d)
+	return string(de), nil
+}

common/crypt/sha.go

@@ -0,0 +1,11 @@
+package crypt
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+)
+
+func GenShaHash(data []byte) string {
+	d := sha256.Sum256(data)
+	return hex.EncodeToString(d[:])
+}