SOL4Py Samples

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# 2020/01/20
# AESCipher.py

# encoding: utf-8

import base64
import traceback
import sys

sys.path.append('../')

from  SOL4Py.crypto.ZChaCha20NonceEmbeddedCipher import *


if __name__ == '__main__':
    try:
        cipher = ZChaCha20NonceEmbeddedCipher(ZCipher.AS_HEX)
        key   = Random.get_random_bytes(ZChaCha20Cipher.KEY_SIZE)
                
        text = 'Antarctica will contribute about a foot of sea-level rise by 2100.'
        
        encrypted = cipher.encrypt(text, key)
        decrypted = cipher.decrypt(encrypted, key)
        
        decrypted = decrypted.decode('utf-8')
        print("AS_HEX format")
        print("Text:         '{}'".format(text))
        print("TextDecrypted:'{}'".format(decrypted))
        print("are same? {}".format(text==decrypted))
        print("")

        cipher = ZChaCha20NonceEmbeddedCipher(ZCipher.AS_BASE64)
        key   = Random.get_random_bytes(ZChaCha20Cipher.KEY_SIZE)
        btext = b'The global warming is real. Welcome to TOKYO2020 in the hottest summer of Japan.'
        
        encrypted = cipher.encrypt(btext, key)
        decrypted = cipher.decrypt(encrypted, key)

        print("AS_BASE64 format...")
        
        print("Bytes:         '{}'".format(btext))
        print("DecryptedBytes:'{}'".format(decrypted))
        print("are same? {}".format(btext==decrypted))
        print("")

        cipher = ZChaCha20NonceEmbeddedCipher(ZCipher.AS_JSON)
        key   = Random.get_random_bytes(ZChaCha20Cipher.KEY_SIZE)

        btext = b'The global warming is real. Welcome to TOKYO2020 in the hottest summer of Japan.'
        
        encrypted = cipher.encrypt(btext, key)
        decrypted = cipher.decrypt(encrypted, key)
 
        print("AS_JSON format...")
        print("Bytes:         '{}'".format(btext))
        print("DecryptedBytes:'{}'".format(decrypted))
        print("are same? {}".format(btext==decrypted))
        print("")

        cipher = ZChaCha20NonceEmbeddedCipher(ZCipher.AS_BINARY)
        key   = Random.get_random_bytes(ZChaCha20Cipher.KEY_SIZE)

        btext = b'The global warming is real. Welcome to TOKYO2020 in the hottest summer of Japan.'
        
        encrypted = cipher.encrypt(btext, key)
        decrypted = cipher.decrypt(encrypted, key)
 
        print("AS_BINARY format...")
        print("Bytes:         '{}'".format(btext))
        print("DecryptedBytes:'{}'".format(decrypted))
        print("are same? {}".format(btext==decrypted))

    except:
        traceback.print_exc()