first

Procfile

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+web: sh setup.sh && streamlit run rsa_app.py

requirements.txt

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+rsa==4.7.2
+streamlit==1.12.2

rsa_app.py

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+import rsa
+import streamlit as st
+
+
+st.write("""
+# RSA
+""")
+# generate public and private keys with
+# rsa.newkeys method,this method accepts
+# key length as its parameter
+# key length should be atleast 16
+publicKey, privateKey = rsa.newkeys(512)
+
+# this is the string that we will be encrypting
+input = st.text_input('Masukkan Teks', 'Muhamad Aziz 20220028')
+
+# rsa.encrypt method is used to encrypt
+# string with public key string should be
+# encode to byte string before encryption
+# with encode method
+encMessage = rsa.encrypt(input.encode(),
+						publicKey)
+st.write('enkripsi :', encMessage)
+
+# the encrypted message can be decrypted
+# with ras.decrypt method and private key
+# decrypt method returns encoded byte string,
+# use decode method to convert it to string
+# public key cannot be used for decryption
+decMessage = rsa.decrypt(encMessage, privateKey).decode()
+
+st.write('dekripsi :', decMessage)

setup.sh

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+mkdir -p ~/.streamlit/
+echo "\
+[server]\n\
+headless = true\n\
+enableCORS=false\n\
+port = $PORT\n\
+" > ~/.streamlit/config.toml