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File Name : ed25519.py

# 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 backend.ed25519_load_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.
        """

if hasattr(rust_openssl, "ed25519"):
    Ed25519PublicKey.register(rust_openssl.ed25519.Ed25519PublicKey)

class Ed25519PrivateKey(metaclass=abc.ABCMeta):
    @classmethod
    def generate(cls) -> Ed25519PrivateKey:
        from cryptography.hazmat.backends.openssl.backend import backend

return backend.ed25519_generate_key()

@classmethod
    def from_private_bytes(cls, data: bytes) -> Ed25519PrivateKey:
        from cryptography.hazmat.backends.openssl.backend import backend

return backend.ed25519_load_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.
        """

if hasattr(rust_openssl, "x25519"):
    Ed25519PrivateKey.register(rust_openssl.ed25519.Ed25519PrivateKey)

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..	dir	-	root/root	0755	2025-05-15 10:32:23
__pycache__	dir	-	root/root	0755	2025-05-15 10:32:29
__init__.py	text/plain	180 B	root/root	0644	2025-04-17 01:10:59
dh.py	text/x-script.python	6.85 KB	root/root	0644	2025-04-17 01:10:59
dsa.py	text/x-script.python	8.07 KB	root/root	0644	2025-04-17 01:10:59
ec.py	text/x-script.python	12.57 KB	root/root	0644	2025-04-17 01:10:59
ed25519.py	text/x-script.python	3.41 KB	root/root	0644	2025-04-17 01:10:59
ed448.py	text/x-script.python	3.36 KB	root/root	0644	2025-04-17 01:10:59
padding.py	text/x-script.python	2.65 KB	root/root	0644	2025-04-17 01:10:59
rsa.py	text/x-script.python	11.35 KB	root/root	0644	2025-04-17 01:10:59
types.py	text/x-script.python	2.93 KB	root/root	0644	2025-04-17 01:10:59
utils.py	text/x-script.python	790 B	root/root	0644	2025-04-17 01:10:59
x25519.py	text/x-script.python	3.36 KB	root/root	0644	2025-04-17 01:10:59
x448.py	text/x-script.python	3.28 KB	root/root	0644	2025-04-17 01:10:59