You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
openpgp-card-app/tests/test_cipher.py

98 lines
2.7 KiB
Python

# -*- coding: utf-8 -*-
# SPDX-FileCopyrightText: 2023 Ledger SAS
# SPDX-License-Identifier: LicenseRef-LEDGER
"""
This module provides Ragger tests for Cipher feature
"""
from Crypto.Random import get_random_bytes
from Crypto.Cipher import PKCS1_v1_5
from application_client.command_sender import CommandSender
from application_client.app_def import Errors, DataObject, PassWord
from utils import check_pincode, generate_key, get_RSA_pub_key
# In this test we check the symmetric key encryption
def test_AES(backend):
# Use the app interface instead of raw interface
client = CommandSender(backend)
# Verify PW3 (Admin)
check_pincode(client, PassWord.PW3)
key = get_random_bytes(32)
# Store the AES Key
rapdu = client.put_data(DataObject.DO_KEY_AES, key)
assert rapdu.status == Errors.SW_OK
# Verify PW2 (User)
check_pincode(client, PassWord.PW2)
# Encrypt the data
plain = get_random_bytes(16)
rapdu = client.encrypt(plain)
assert rapdu.status == Errors.SW_OK
# Decrypt the data
rapdu = client.decrypt(rapdu.data)
assert rapdu.status == Errors.SW_OK
assert rapdu.data == plain
# In this test we check the symmetric key encryption
def test_Asym(backend):
# Use the app interface instead of raw interface
client = CommandSender(backend)
# Generate the DEC Key Pair
generate_key(client, DataObject.DO_DEC_KEY)
# Verify PW2 (User)
check_pincode(client, PassWord.PW2)
# Read the DEC pub Key
pubkey = get_RSA_pub_key(client, DataObject.DO_DEC_KEY)
# Encrypt random bytes with Pub Key
plain = get_random_bytes(32)
cipher = PKCS1_v1_5.new(pubkey)
ciphertext = cipher.encrypt(plain)
# Decrypt the data with the Private key
rapdu = client.decrypt_asym(ciphertext)
assert rapdu.status == Errors.SW_OK
assert rapdu.data == plain
# In this test we check the symmetric key encryption with MSE
def test_MSE(backend):
# Use the app interface instead of raw interface
client = CommandSender(backend)
# Generate the AUT Key Pair
generate_key(client, DataObject.DO_AUT_KEY)
# Verify PW2 (User)
check_pincode(client, PassWord.PW2)
# Read the AUT pub Key
pubkey = get_RSA_pub_key(client, DataObject.DO_AUT_KEY)
# Encrypt random bytes with Pub Key
plain = get_random_bytes(32)
cipher = PKCS1_v1_5.new(pubkey)
ciphertext = cipher.encrypt(plain)
# Change default DEC key by AUT
rapdu = client.manage_security_env(DataObject.DO_DEC_KEY, 3)
assert rapdu.status == Errors.SW_OK
# Decrypt the data with the Private key
rapdu = client.decrypt_asym(ciphertext)
assert rapdu.status == Errors.SW_OK
assert rapdu.data == plain