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Adding routine for asymmetric decryption.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos 2023-02-12 21:53:19 +01:00
parent 2ce458dad5
commit 8bc4b133ca
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GPG key ID: C0095B7870A4CCD3
2 changed files with 16 additions and 1 deletions
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12
tests/conftest.py
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@ -2,7 +2,7 @@
import sys import sys
import pytest import pytest
from binascii import hexlify from binascii import hexlify
from utils import APDUResponse, DOPrefixes, KeyType, Algorithm from utils import APDUResponse, DOPrefixes, KeyType, Algorithm, Padding
import hashlib import hashlib
try: try:
@ -240,6 +240,16 @@ class Device:
) )
return pubkey.verify(signature, data, padd, hsh) return pubkey.verify(signature, data, padd, hsh)
def decrypt(self, keyid, data, pad):
if (isinstance(pad, padding.OAEP)):
p2 = Padding.OAEP.value
elif (isinstance(pad, padding.PKCS1v15)):
p2 = Padding.PKCS.value
else:
p2 = Padding.RAW.value
resp = self.send(command=0x62, p1=keyid, p2=p2, data=list(data))
return bytes(resp)
@pytest.fixture(scope="session") @pytest.fixture(scope="session")
def device(): def device():
dev = Device() dev = Device()

5
tests/utils.py
View file

@ -118,3 +118,8 @@ class Algorithm(Enum):
ALGO_RSA_PSS_SHA256 = 0x43 ALGO_RSA_PSS_SHA256 = 0x43
ALGO_RSA_PSS_SHA384 = 0x44 ALGO_RSA_PSS_SHA384 = 0x44
ALGO_RSA_PSS_SHA512 = 0x45 ALGO_RSA_PSS_SHA512 = 0x45
class Padding(Enum):
RAW = 0x21
PKCS = 0x22
OAEP = 0x23