Cryptography

Python application that can be used to encrypt and sign a file to be sent by email

Usage for encryption:

python fcrypt.py -e destination_public_key.der sender_private_key.der input_plaintext_file.txt ciphertext_file.txt

Required files for encryption should be in the same folder as the script:

destination_public_key.der 
sender_private_key.der 
input_plaintext_file.txt

Usage for decryption:

python fcrypt.py -d destination_private_key.der sender_public_key.der ciphertext_file.txt output_plaintext_file.txt

Required files for decryption should be in the same folder as the script:

destination_private_key.der 
sender_public_key.der 
ciphertext_file.txt