slight update

env/lib/python3.12/site-packages/Crypto/Signature/PKCS1_PSS.py

@@ -0,0 +1,55 @@
+# ===================================================================
+#
+# Copyright (c) 2014, Legrandin <helderijs@gmail.com>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+# ===================================================================
+
+"""
+Legacy module for PKCS#1 PSS signatures.
+
+:undocumented: __package__
+"""
+
+import types
+
+from Crypto.Signature import pss
+
+
+def _pycrypto_verify(self, hash_object, signature):
+    try:
+        self._verify(hash_object, signature)
+    except (ValueError, TypeError):
+        return False
+    return True
+
+
+def new(rsa_key, mgfunc=None, saltLen=None, randfunc=None):
+    pkcs1 = pss.new(rsa_key, mask_func=mgfunc,
+                    salt_bytes=saltLen, rand_func=randfunc)
+    pkcs1._verify = pkcs1.verify
+    pkcs1.verify = types.MethodType(_pycrypto_verify, pkcs1)
+    return pkcs1