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venv/lib/python3.12/site-packages/asyncssh/crypto/__init__.py

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+# Copyright (c) 2014-2021 by Ron Frederick <ronf@timeheart.net> and others.
+#
+# This program and the accompanying materials are made available under
+# the terms of the Eclipse Public License v2.0 which accompanies this
+# distribution and is available at:
+#
+#     http://www.eclipse.org/legal/epl-2.0/
+#
+# This program may also be made available under the following secondary
+# licenses when the conditions for such availability set forth in the
+# Eclipse Public License v2.0 are satisfied:
+#
+#    GNU General Public License, Version 2.0, or any later versions of
+#    that license
+#
+# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
+#
+# Contributors:
+#     Ron Frederick - initial implementation, API, and documentation
+
+"""A shim for accessing cryptographic primitives needed by asyncssh"""
+
+from .cipher import BasicCipher, GCMCipher, register_cipher, get_cipher_params
+
+from .dsa import DSAPrivateKey, DSAPublicKey
+
+from .dh import DH
+
+from .ec import ECDSAPrivateKey, ECDSAPublicKey, ECDH
+
+from .ed import ed25519_available, ed448_available
+from .ed import curve25519_available, curve448_available
+from .ed import EdDSAPrivateKey, EdDSAPublicKey, Curve25519DH, Curve448DH
+
+from .ec_params import lookup_ec_curve_by_params
+
+from .kdf import pbkdf2_hmac
+
+from .misc import CryptoKey, PyCAKey
+
+from .rsa import RSAPrivateKey, RSAPublicKey
+
+from .sntrup import sntrup761_available
+from .sntrup import sntrup761_pubkey_bytes, sntrup761_ciphertext_bytes
+from .sntrup import sntrup761_keypair, sntrup761_encaps, sntrup761_decaps
+
+# Import chacha20-poly1305 cipher if available
+from .chacha import ChachaCipher, chacha_available
+
+# Import umac cryptographic hash if available
+try:
+    from .umac import umac32, umac64, umac96, umac128
+except (ImportError, AttributeError, OSError): # pragma: no cover
+    pass
+
+# Import X.509 certificate support if available
+try:
+    from .x509 import X509Certificate, X509Name, X509NamePattern
+    from .x509 import generate_x509_certificate, import_x509_certificate
+except ImportError: # pragma: no cover
+    pass