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author | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
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committer | S. Solomon Darnell | 2025-03-28 21:52:21 -0500 |
commit | 4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch) | |
tree | ee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py | |
parent | cc961e04ba734dd72309fb548a2f97d67d578813 (diff) | |
download | gn-ai-master.tar.gz |
Diffstat (limited to '.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py b/.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py new file mode 100644 index 00000000..3a26185d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py @@ -0,0 +1,116 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +from __future__ import annotations + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.bindings._rust import openssl as rust_openssl +from cryptography.hazmat.primitives import _serialization + + +class Ed25519PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data: bytes) -> Ed25519PublicKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return rust_openssl.ed25519.from_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def public_bytes_raw(self) -> bytes: + """ + The raw bytes of the public key. + Equivalent to public_bytes(Raw, Raw). + """ + + @abc.abstractmethod + def verify(self, signature: bytes, data: bytes) -> None: + """ + Verify the signature. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + +Ed25519PublicKey.register(rust_openssl.ed25519.Ed25519PublicKey) + + +class Ed25519PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> Ed25519PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return rust_openssl.ed25519.generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> Ed25519PrivateKey: + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return rust_openssl.ed25519.from_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> Ed25519PublicKey: + """ + The Ed25519PublicKey derived from the private key. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + The serialized bytes of the private key. + """ + + @abc.abstractmethod + def private_bytes_raw(self) -> bytes: + """ + The raw bytes of the private key. + Equivalent to private_bytes(Raw, Raw, NoEncryption()). + """ + + @abc.abstractmethod + def sign(self, data: bytes) -> bytes: + """ + Signs the data. + """ + + +Ed25519PrivateKey.register(rust_openssl.ed25519.Ed25519PrivateKey) |