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BigCodeBench / BigCodeBench v0.1.0_hf a622df09-acbc-5965-b00b-8b718bb46869

Problem

Answer published by the source. Consult the official source to check your work against its answer.

complete prompt

import rsa
from cryptography.fernet import Fernet
from base64 import b64encode

def task_func(file_path):
    """
    Generates RSA public and private keys and uses Fernet symmetric encryption to encrypt the contents
    of a specified file. The Fernet key is then encrypted with the public RSA key. The encrypted file
    contents and the encrypted Fernet key are saved in separate files.

    This method demonstrates a hybrid encryption approach where symmetric encryption is used for the file
    contents and asymmetric encryption for the encryption key.

    Parameters:
    file_path (str): The path to the file to be encrypted.

    Returns:
    PublicKey: The RSA public key.
    str: The filename of the encrypted file.
    str: The filename of the file containing the encrypted Fernet key.

    Requirements:
    - rsa
    - cryptography.fernet.Fernet
    - base64.b64encode

    Examples:
    >>> pub_key, encrypted_file, encrypted_key_file = task_func('my_file.txt')
    >>> len(pub_key.save_pkcs1()) > 100
    True
    >>> encrypted_file.endswith('.encrypted')
    True
    >>> encrypted_key_file.endswith('.encrypted')
    True
    """

instruct prompt

Generates RSA public and private keys and uses Fernet symmetric encryption to encrypt the contents of a specified file. The Fernet key is then encrypted with the public RSA key. The encrypted file contents and the encrypted Fernet key are saved in separate files. This method demonstrates a hybrid encryption approach where symmetric encryption is used for the file contents and asymmetric encryption for the encryption key.
The function should output with:
    PublicKey: The RSA public key.
    str: The filename of the encrypted file.
    str: The filename of the file containing the encrypted Fernet key.
You should write self-contained code starting with:

Code

import rsa
from cryptography.fernet import Fernet
from base64 import b64encode
def task_func(file_path):

code prompt

Code

import rsa
from cryptography.fernet import Fernet
from base64 import b64encode
def task_func(file_path):

entry point

task_func

libs

  • base64
  • rsa
  • cryptography

Discussion

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Source and history

task_id
a622df09-acbc-5965-b00b-8b718bb46869
task_key
default--v0~2e1~2e0~5fhf--a622df09-acbc-5965-b00b-8b718bb46869
task_revision_id
1
config / split
default / v0.1.0_hf

Official source

initial import