6213 Дубов Л.М. Лаб.3 Вар.7 #278
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| if args.generate_keys: | ||
| app.generate_keys() | ||
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| elif args.encrypt: | ||
| input_file = args.input if args.input else app.config["original_file"] | ||
| output_file = args.output if args.output else app.config["secret_file"] | ||
| app.encrypt_file(input_file, output_file) | ||
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| elif args.decrypt: | ||
| input_file = args.input if args.input else app.config["secret_file"] | ||
| output_file = args.output if args.output else app.config["decrypted_file"] | ||
| app.decrypt_file(input_file, output_file) |
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для выбора режима использовать match/case
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В ходе работы была создана гибридная криптосистема, совмещающая в себе два протокола RSA и SM4.
Прикрепленные файлы:
secret.txt"-Файл с исходным секретным текстом, который нужно зашифровать.
"secret_message.txt"-файл, куда программа сохранит текст из secret.txt перед шифрованием.
"encrypted.bin"-Бинарный файл с зашифрованными данными алгоритмом SM4.
"decrypted_message.txt"-файл с расшифрованным текстом.
"sym_key.bin"-бинарный файл, содержащий:IV (вектор инициализации) — первые 16 байт, зашифрованный симметричный ключ (SM4) — остальные байты.
"public_key.pem"-публичный ключ RSA в PEM-формате.
private_key.pem"-приватный ключ RSA в PEM-формате.
Генерация ключей:public_key.pem, private_key.pem, sym_key.bin.
Шифрование текста:secret.txt, secret_message.txt, encrypted.bin.
Расшифровывание текста:encrypted.bin , decrypted_message.txt.