Upstream sync

shared/encryption.go

@@ -12,6 +12,15 @@ import (
 	"io"
 )
 
+func GenerateRandomString(length int) string {
+	b := make([]byte, length)
+	_, err := rand.Read(b)
+	if err != nil {
+		panic(err)
+	}
+	return base64.StdEncoding.EncodeToString(b)
+}
+
 func CovertUintToByte32(id uint) [32]byte {
 	b := make([]byte, 32)
 	binary.LittleEndian.PutUint32(b, uint32(id))