Create app.py

app.py

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+
+import gradio as gr
+from cryptography.fernet import Fernet
+def encrypt():
+    # we will be encrypting the below string.
+    message = "hello geeks"
+     
+    # generate a key for encryption and decryption
+    # You can use fernet to generate
+    # the key or use random key generator
+    # here I'm using fernet to generate key
+     
+    key = Fernet.generate_key()
+     
+    # Instance the Fernet class with the key
+     
+    fernet = Fernet(key)
+     
+    # then use the Fernet class instance
+    # to encrypt the string string must
+    # be encoded to byte string before encryption
+    encMessage = fernet.encrypt(message.encode())
+     
+    print("original string: ", message)
+    print("encrypted string: ", encMessage)
+     
+    # decrypt the encrypted string with the
+    # Fernet instance of the key,
+    # that was used for encrypting the string
+    # encoded byte string is returned by decrypt method,
+    # so decode it to string with decode methods
+    decMessage = fernet.decrypt(encMessage).decode()
+     
+    print("decrypted string: ", decMessage)
+
+with gr.Blocks() as app:
+    btn = gr.Button()
+    btn.click(encrypt,None,None)
+app.launch()
+