54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
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Index: tpm2-pytss-2.2.0/src/tpm2_pytss/internal/crypto.py
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===================================================================
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--- tpm2-pytss-2.2.0.orig/src/tpm2_pytss/internal/crypto.py
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+++ tpm2-pytss-2.2.0/src/tpm2_pytss/internal/crypto.py
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@@ -23,7 +23,7 @@ from cryptography.hazmat.primitives.ciph
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from cryptography.hazmat.primitives.ciphers import modes, Cipher, CipherAlgorithm
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from cryptography.hazmat.backends import default_backend
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from cryptography.exceptions import UnsupportedAlgorithm, InvalidSignature
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-from typing import Tuple, Type
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+from typing import Tuple, Type, Any
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import secrets
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import sys
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@@ -220,7 +220,7 @@ def public_to_key(obj):
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return key
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-class _MyRSAPrivateNumbers(rsa.RSAPrivateNumbers):
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+class _MyRSAPrivateNumbers:
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def __init__(self, p: int, n: int, e: int, pubnums: rsa.RSAPublicNumbers):
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q = n // p
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@@ -231,7 +231,12 @@ class _MyRSAPrivateNumbers(rsa.RSAPrivat
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dmq1 = rsa.rsa_crt_dmq1(d, q)
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iqmp = rsa.rsa_crt_iqmp(p, q)
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- super().__init__(p, q, d, dmp1, dmq1, iqmp, pubnums)
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+ self._private_numbers = rsa.RSAPrivateNumbers(
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+ p, q, d, dmp1, dmq1, iqmp, pubnums
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+ )
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+
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+ def private_key(self, *args: Any, **kwargs: Any) -> rsa.RSAPrivateKey:
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+ return self._private_numbers.private_key(*args, **kwargs)
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@staticmethod
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def _xgcd(a: int, b: int) -> Tuple[int, int, int]:
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@@ -251,15 +256,7 @@ class _MyRSAPrivateNumbers(rsa.RSAPrivat
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#
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@staticmethod
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def _modinv(a, m):
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-
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- if sys.version_info < (3, 8):
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- g, x, y = _MyRSAPrivateNumbers._xgcd(a, m)
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- if g != 1:
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- raise Exception("modular inverse does not exist")
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- else:
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- return x % m
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- else:
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- return pow(a, -1, m)
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+ return pow(a, -1, m)
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@staticmethod
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def _generate_d(p, q, e, n):
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