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Implemented proxies to pyca X25519

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Mark Qvist 2022-06-08 17:03:40 +02:00
parent e2aeb56c12
commit 94edc8eff3
6 changed files with 86 additions and 15 deletions
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35
RNS/Cryptography/AES.py
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@ -20,14 +20,13 @@
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
PROVIDER_INTERNAL = 0x01
PROVIDER_PYCA = 0x02
import RNS.Cryptography.Provider as cp
provider = PROVIDER_PYCA
if provider == PROVIDER_INTERNAL:
pass
elif provider == PROVIDER_PYCA:
if cp.PROVIDER == cp.PROVIDER_INTERNAL:
# TODO: Use internal AES
from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
elif cp.PROVIDER == cp.PROVIDER_PYCA:
from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
@ -35,9 +34,14 @@ class AES_128_CBC:
@staticmethod
def encrypt(plaintext, key, iv):
if provider == PROVIDER_INTERNAL:
pass
elif provider == PROVIDER_PYCA:
if cp.PROVIDER == cp.PROVIDER_INTERNAL:
# TODO: Use internal AES
cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
encryptor = cipher.encryptor()
ciphertext = encryptor.update(plaintext) + encryptor.finalize()
return ciphertext
elif cp.PROVIDER == cp.PROVIDER_PYCA:
cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
encryptor = cipher.encryptor()
ciphertext = encryptor.update(plaintext) + encryptor.finalize()
@ -45,9 +49,14 @@ class AES_128_CBC:
@staticmethod
def decrypt(ciphertext, key, iv):
if provider == PROVIDER_INTERNAL:
pass
elif provider == PROVIDER_PYCA:
if cp.PROVIDER == cp.PROVIDER_INTERNAL:
# TODO: Use internal AES
cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
decryptor = cipher.decryptor()
plaintext = decryptor.update(ciphertext) + decryptor.finalize()
return plaintext
elif cp.PROVIDER == cp.PROVIDER_PYCA:
cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
decryptor = cipher.decryptor()
plaintext = decryptor.update(ciphertext) + decryptor.finalize()