|
Server : Apache System : Linux iad1-shared-b8-43 6.6.49-grsec-jammy+ #10 SMP Thu Sep 12 23:23:08 UTC 2024 x86_64 User : dh_edsupp ( 6597262) PHP Version : 8.2.26 Disable Function : NONE Directory : /lib/python3/dist-packages/nacl/bindings/__pycache__/ |
Upload File : |
o
��af( � @ s� U d dl mZ d dlmZ d dlmZmZ d dlm Z e�
� Z e e
d< e�� d Ze e
d< e�� Ze e
d< e�� Ze e
d < e�� Ze e
d
< e�� Ze e
d < d eeef fd
d�Zded eeef fdd�Zdeded efdd�Zdeded efdd�Zded efdd �Z d ed efd d �Z d ed efd d!�Z d ed efd"d#�Z G d$d%� d%�Z d&e d'ed d(fd)d*�Z!d&e ded efd+d,�Z"d&e d-eded e#fd.d/�Z$d(S )0� )�Tuple)�
exceptions)�ffi�lib)�ensure�crypto_sign_BYTES� �crypto_sign_SEEDBYTES�crypto_sign_PUBLICKEYBYTES�crypto_sign_SECRETKEYBYTES� crypto_sign_curve25519_BYTES� crypto_sign_ed25519ph_STATEBYTES�returnc C s` t �dt�} t �dt�}t�| |�}t|dkdtjd� t � | t�dd� t � |t�dd� fS )zu
Returns a randomly generated public key and secret key.
:rtype: (bytes(public_key), bytes(secret_key))
�unsigned char[]r �Unexpected library error��raisingN)
r �newr
r r �crypto_sign_keypairr �exc� RuntimeError�buffer)�pk�sk�rc� r �;/usr/lib/python3/dist-packages/nacl/bindings/crypto_sign.pyr s �r �seedc C sx t | �tkr t�d��t�dt�}t�dt�}t� ||| �}t
|dkdtj d� t� |t�dd� t� |t�dd� fS )z�
Computes and returns the public key and secret key using the seed ``seed``.
:param seed: bytes
:rtype: (bytes(public_key), bytes(secret_key))
z Invalid seedr r r r N)
�lenr r �
ValueErrorr r r
r r �crypto_sign_seed_keypairr r r )r r r r r r r r 2 s
�r �messager c C s` t �dt| �t �}t �d�}t�||| t| �|�}t|dkdtjd� t � ||d �dd� S )z�
Signs the message ``message`` using the secret key ``sk`` and returns the
signed message.
:param message: bytes
:param sk: bytes
:rtype: bytes
r �unsigned long long *r r r N)
r r r r r � crypto_signr r r r )r! r �signed�
signed_lenr r r r r# H s
r# r$ r c C sV t �dt| ��}t �d�}t�||| t| �|�dkr t�d��t �||d �dd� S )z�
Verifies the signature of the signed message ``signed`` using the public
key ``pk`` and returns the unsigned message.
:param signed: bytes
:param pk: bytes
:rtype: bytes
r r" r � Signature was forged or corruptN)r r r r �crypto_sign_openr �BadSignatureErrorr )r$ r r! � message_lenr r r r' Z s
�
r' �public_key_bytesc C �Z t | �tkr t�d��t}t�d|�}t�|| �}t |dkdtj
d� t� ||�dd� S )a
Converts a public Ed25519 key (encoded as bytes ``public_key_bytes``) to
a public Curve25519 key as bytes.
Raises a ValueError if ``public_key_bytes`` is not of length
``crypto_sign_PUBLICKEYBYTES``
:param public_key_bytes: bytes
:rtype: bytes
zInvalid curve public keyr r r r N) r r
r r r r r r �$crypto_sign_ed25519_pk_to_curve25519r r r )r* �curve_public_key_len�curve_public_keyr r r r r, o �
�r, �secret_key_bytesc C r+ )a
Converts a secret Ed25519 key (encoded as bytes ``secret_key_bytes``) to
a secret Curve25519 key as bytes.
Raises a ValueError if ``secret_key_bytes``is not of length
``crypto_sign_SECRETKEYBYTES``
:param secret_key_bytes: bytes
:rtype: bytes
zInvalid curve secret keyr r r r N) r r r r r r r r �$crypto_sign_ed25519_sk_to_curve25519r r r )r0 �curve_secret_key_len�curve_secret_keyr r r r r1 � r/ r1 c C s" t | �tkr t�d��| td� S )a
Extract the public Ed25519 key from a secret Ed25519 key (encoded
as bytes ``secret_key_bytes``).
Raises a ValueError if ``secret_key_bytes``is not of length
``crypto_sign_SECRETKEYBYTES``
:param secret_key_bytes: bytes
:rtype: bytes
�Invalid secret keyN�r r r r r �r0 r r r � crypto_sign_ed25519_sk_to_pk� �
r7 c C s" t | �tkr t�d��| dt� S )z�
Extract the seed from a secret Ed25519 key (encoded
as bytes ``secret_key_bytes``).
Raises a ValueError if ``secret_key_bytes``is not of length
``crypto_sign_SECRETKEYBYTES``
:param secret_key_bytes: bytes
:rtype: bytes
r4 Nr5 r6 r r r � crypto_sign_ed25519_sk_to_seed� r8 r9 c @ s e Zd ZdZdgZddd�ZdS )�crypto_sign_ed25519ph_statezO
State object wrapping the sha-512 state used in ed25519ph computation
�stater Nc C s2 t �dt�| _t�| j�}t|dkdtjd� d S )Nr r r r ) r r r
r; r �crypto_sign_ed25519ph_initr r r )�selfr r r r �__init__� s
� z$crypto_sign_ed25519ph_state.__init__)r N)�__name__�
__module__� __qualname__�__doc__� __slots__r> r r r r r: � s r: �edph�pmsgNc C sX t t| t�dtjd� t t|t�dtjd� t�| j|t |��}t |dkdtj
d� dS )z�
Update the hash state wrapped in edph
:param edph: the ed25519ph state being updated
:type edph: crypto_sign_ed25519ph_state
:param pmsg: the partial message
:type pmsg: bytes
:rtype: None
�/edph parameter must be a ed25519ph_state objectr z%pmsg parameter must be a bytes objectr r N) r �
isinstancer: r � TypeError�bytesr � crypto_sign_ed25519ph_updater; r r )rD rE r r r r rJ � s ��rJ c C s� t t| t�dtjd� t t|t�dtjd� t t|�tkd�t�tjd� t �
dt �}t �
| j|t j|�}t |dkdtjd� t �|t �dd� S ) aR
Create a signature for the data hashed in edph
using the secret key sk
:param edph: the ed25519ph state for the data
being signed
:type edph: crypto_sign_ed25519ph_state
:param sk: the ed25519 secret part of the signing key
:type sk: bytes
:return: ed25519ph signature
:rtype: bytes
rF r z+secret key parameter must be a bytes objectz secret key must be {} bytes longr r r N)r rG r: r rH rI r r �formatr r r r �"crypto_sign_ed25519ph_final_creater; �NULLr r )rD r � signaturer r r r rL � s. ��
�� �rL rN c C s� t t| t�dtjd� t t|t�dtjd� t t|�tkd�t�tjd� t t|t�dtjd� t t|�t kd�t �tjd� t
� | j ||�}|dkrPt�
d��d S )
a�
Verify a prehashed signature using the public key pk
:param edph: the ed25519ph state for the data
being verified
:type edph: crypto_sign_ed25519ph_state
:param signature: the signature being verified
:type signature: bytes
:param pk: the ed25519 public part of the signing key
:type pk: bytes
:return: True if the signature is valid
:rtype: boolean
:raises exc.BadSignatureError: if the signature is not valid
rF r z*signature parameter must be a bytes objectz signature must be {} bytes longz+public key parameter must be a bytes objectz public key must be {} bytes longr r& T)r rG r: r rH rI r r rK r
r �"crypto_sign_ed25519ph_final_verifyr; r( )rD rN r r r r r rO s> ��
��
��
rO )%�typingr �naclr r � nacl._sodiumr r �nacl.exceptionsr �crypto_sign_bytesr �int�__annotations__�crypto_sign_secretkeybytesr �crypto_sign_publickeybytesr
r �crypto_box_secretkeybytesr � crypto_sign_ed25519ph_statebytesr
rI r r r# r' r, r1 r7 r9 r: rJ rL �boolrO r r r r �<module> sT
��
���
�)����