Merge branch 'sender_okToCheck' into recv_timmoc

main.py

@@ -0,0 +1,10 @@
+import pyfiglet # 程序greet
+
+# 程序greet
+print(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
+greet = pyfiglet.figlet_format("File Secure Transfer", font="slant" , width=250)
+print(greet)
+print("                                                             <For Secure And Fast File Transfer>")
+author = "                                                       <-Made By Li-Nuo-Cheng Tan-Jun-Wen Ren-Qing-Yu->"
+print(author)
+print("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")

sender/sender.py

@@ -1,5 +1,9 @@
 # 模式，文件，自己的公钥从哪里来，别人的公钥从哪里来
+import pyfiglet
+
 import base64
+import os
+
 
 from entity.Letter import Letter
 from itsdangerous import base64_encode
@@ -11,30 +15,42 @@ from tool.symmetric.SM4 import encrypt_ecb, decrypt_cbc_with_iv, encrypt_cbc_wit
 from Crypto.Random import get_random_bytes
 
 
-# 两个变量，记录信封
+# 三个全局变量，记录信封
 letterWay = ""
 letterMode = ""
 letterSymKey = b""
 
 def main():
+
+    # greet
+    print("")
+    print(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
+    greet = pyfiglet.figlet_format("File Secure Transfer", font="slant", width=250)
+    print(greet)
+    print("                                                             <For Secure And Fast File Transfer>")
+    author = "                                                       <-Made By Li-Nuo-Cheng Tan-Jun-Wen Ren-Qing-Yu->"
+    print(author)
+    print("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
+
     letter = Letter()
     # 用户输入各种数据填充letter字段
     path = selectFile()
 
     with open(path,"rb") as f:
         data = f.read()
-    letter.fileName = "交给你了"
+
+
+    letter.fileName = getFileName(path)
     letter.recvPubKey = getRecvPubKey()
     letter.senderPubKey = getSenderPubKey()
     letter.fileBase64, akey = SymEncryption(base64_encode(data).decode("utf-8"),letterSymKey)
-    # data = "Hello, AES!"
     letter.encryptKey = getEncryptKey()
     letter.encryptType = getEncryptType()
 
     letter.sign = getSign(data)
 
-
-
+    print(letter.fileName)
+    print(letter.fileBase64)
     print(letter.sign)
     print(letter.encryptType)
     print(letter.encryptKey)
@@ -48,8 +64,24 @@ def main():
     return letter # 方便recv测试，以后可以删除。
     pass
 def selectFile() -> str:
+    # s = "public.pem"
+    while True:
+        try:
             s = input("输入文件路径:")
+            with open(s, "rb") as _:
+                pass
             return  s
+        except FileNotFoundError:
+            print("错误: 文件未找到，请输入正确的文件路径。")
+        except PermissionError:
+            print("错误: 无法访问该文件，请检查权限。")
+        except Exception as e:
+            print(f"发生未知错误: {e}")
+
+# 获得文件名
+def getFileName(fName:str) -> str:
+    filePath = os.path.split(fName)
+    return filePath[-1]
 
 def sendLetter(letter: Letter, target="192.168.195.162:8426"):
     # 向目标ip和端口发送指定的信件
@@ -64,34 +96,35 @@ def selectSymEncryptionChoice():
 
     # 选择加密算法
     while True:
-        encryWay = input("Choose the way for encryption (aes/sm4): ").strip().lower()  # 统一转成小写
+        encryWay = input("选择加密算法 (aes/sm4): ").strip().lower()  # 统一转成小写
         if encryWay in ["aes", "sm4"]:
             letterWay = encryWay
-            print(f"You have selected '{encryWay}' encryption.")
+            print(f"已经选择 '{encryWay}'.")
             break  # 输入有效后退出循环
         else:
-            print("Invalid choice. Please enter 'aes' or 'sm4'.")
+            print("非法选择，请输入 'aes' 或 'sm4'.")
 
     # 选择加密算法的模式
     while True:
         if encryWay == "aes":
-            encryMode = input("Choose the encryption mode (ecb/cbc/cfb/ofb): ").strip().lower()
+            encryMode = input("选择加密算法模式 (ecb/cbc/cfb/ofb): ").strip().lower()
             if encryMode in ["ecb", "cbc", "cfb", "ofb"]:
                 letterMode = encryMode
-                print(f"You have selected '{encryMode}' encryption mode.")
+                print(f"已选择 '{encryMode}' 加密模式.")
                 break  # 输入有效后退出循环
             else:
-                print("Invalid choice. Please enter ecb/cbc/cfb/ofb")
+                print("非法输入，请输入 ecb/cbc/cfb/ofb")
 
         elif encryWay == "sm4":
-            encryMode = input("Choose the encryption mode (ecb/cbc): ").strip().lower()
+            encryMode = input("选择加密模式 (ecb/cbc): ").strip().lower()
             if encryMode in ["ecb", "cbc"]:
                 letterMode = encryMode
-                print(f"You have selected '{encryMode}' encryption mode.")
+                print(f"已选择 '{encryMode}' 加密模式.")
                 break  # 输入有效后退出循环
             else:
-                print("Invalid choice. Please enter ecb/cbc")
+                print("非法输入，请输入 enter ecb/cbc")
 
+    # 返回加密方法和加密方法的模式
     return encryWay, encryMode
 
 
@@ -128,6 +161,7 @@ def getSign(document_bytes):
 
     return signDocuHash
 
+# 获得加密的方法和模式，封装信封
 def getEncryptType():
     encryType = f"{letterWay}_{letterMode}".upper()
 
@@ -161,5 +195,4 @@ if __name__ == "__main__":
     #
     # encryptType = f"{letterWay}_{letterMode}".upper()
     # print(encryptType)
-
     main()