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python38
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python3.8
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nacl
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Editing: crypto_scalarmult.cpython-38.pyc
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U v��f4 � @ s� U d dl mZ d dlmZmZ d dlmZ eej �Z e� � Z e ed< e�� Ze ed< d Zd Ze rpe�� Ze�� Zeed�dd�Zeeed �d d �Zeed�d d �Zeed�dd�Zeeed �dd�Zeeed �dd�ZdS )� )� exceptions)�ffi�lib)�ensure�crypto_scalarmult_BYTES� crypto_scalarmult_SCALARBYTES)�n�returnc C s@ t �dt�}t�|| �}t|dkdtjd� t �|t �dd� S )z� Computes and returns the scalar product of a standard group element and an integer ``n``. :param n: bytes :rtype: bytes �unsigned char[]r �Unexpected library error�ZraisingN) r �newr r �crypto_scalarmult_baser �exc� RuntimeError�bufferr �r �q�rc� r �R/opt/alt/python38/lib64/python3.8/site-packages/nacl/bindings/crypto_scalarmult.pyr $ s r )r �pr c C sB t �dt�}t�|| |�}t|dkdtjd� t �|t �dd� S )z� Computes and returns the scalar product of the given group element and an integer ``n``. :param p: bytes :param n: bytes :rtype: bytes r r r r N) r r r r �crypto_scalarmultr r r r r �r r r r r r r r 4 s r c C sx t tdtjd� t t| t�o&t| �tkd�d�tj d� t � dt �}t �|| �}t |dkdtjd� t �|t �dd� S ) a Computes and returns the scalar product of a standard group element and an integer ``n`` on the edwards25519 curve. :param n: a :py:data:`.crypto_scalarmult_ed25519_SCALARBYTES` long bytes sequence representing a scalar :type n: bytes :return: a point on the edwards25519 curve, represented as a :py:data:`.crypto_scalarmult_ed25519_BYTES` long bytes sequence :rtype: bytes :raises nacl.exceptions.UnavailableError: If called when using a minimal build of libsodium. � Not available in minimal buildr �&Input must be a {} long bytes sequence�%crypto_scalarmult_ed25519_SCALARBYTESr r r N)r � has_crypto_scalarmult_ed25519r �UnavailableError� isinstance�bytes�lenr �format� TypeErrorr r � crypto_scalarmult_ed25519_BYTESr � crypto_scalarmult_ed25519_baser r r r r r r% E s" � �� r% c C sx t tdtjd� t t| t�o&t| �tkd�d�tj d� t � dt �}t �|| �}t |dkdtjd� t �|t �dd� S ) a: Computes and returns the scalar product of a standard group element and an integer ``n`` on the edwards25519 curve. The integer ``n`` is not clamped. :param n: a :py:data:`.crypto_scalarmult_ed25519_SCALARBYTES` long bytes sequence representing a scalar :type n: bytes :return: a point on the edwards25519 curve, represented as a :py:data:`.crypto_scalarmult_ed25519_BYTES` long bytes sequence :rtype: bytes :raises nacl.exceptions.UnavailableError: If called when using a minimal build of libsodium. r r r r r r r N)r r r r r r r! r r" r# r r r$ r �&crypto_scalarmult_ed25519_base_noclampr r r r r r r& j s" � �� r& c C s� t tdtjd� t t| t�o&t| �tkd�d�tj d� t t|t�oNt|�t kd�d�tj d� t � dt �}t �|| |�}t |dkdtjd� t �|t �d d � S ) aq Computes and returns the scalar product of a *clamped* integer ``n`` and the given group element on the edwards25519 curve. The scalar is clamped, as done in the public key generation case, by setting to zero the bits in position [0, 1, 2, 255] and setting to one the bit in position 254. :param n: a :py:data:`.crypto_scalarmult_ed25519_SCALARBYTES` long bytes sequence representing a scalar :type n: bytes :param p: a :py:data:`.crypto_scalarmult_ed25519_BYTES` long bytes sequence representing a point on the edwards25519 curve :type p: bytes :return: a point on the edwards25519 curve, represented as a :py:data:`.crypto_scalarmult_ed25519_BYTES` long bytes sequence :rtype: bytes :raises nacl.exceptions.UnavailableError: If called when using a minimal build of libsodium. r r r r r$ r r r N)r r r r r r r! r r" r# r$ r r r �crypto_scalarmult_ed25519r r r r r r r' � s0 � �� �� r' c C s� t tdtjd� t t| t�o&t| �tkd�d�tj d� t t|t�oNt|�t kd�d�tj d� t � dt �}t �|| |�}t |dkdtjd� t �|t �d d � S ) a� Computes and returns the scalar product of an integer ``n`` and the given group element on the edwards25519 curve. The integer ``n`` is not clamped. :param n: a :py:data:`.crypto_scalarmult_ed25519_SCALARBYTES` long bytes sequence representing a scalar :type n: bytes :param p: a :py:data:`.crypto_scalarmult_ed25519_BYTES` long bytes sequence representing a point on the edwards25519 curve :type p: bytes :return: a point on the edwards25519 curve, represented as a :py:data:`.crypto_scalarmult_ed25519_BYTES` long bytes sequence :rtype: bytes :raises nacl.exceptions.UnavailableError: If called when using a minimal build of libsodium. r r r r r$ r r r N)r r r r r r r! r r" r# r$ r r r �!crypto_scalarmult_ed25519_noclampr r r r r r r( � s0 � �� �� r( N) Znaclr r Z nacl._sodiumr r Znacl.exceptionsr �boolZ$PYNACL_HAS_CRYPTO_SCALARMULT_ED25519r Zcrypto_scalarmult_bytesr �int�__annotations__Z crypto_scalarmult_scalarbytesr r$ r Z crypto_scalarmult_ed25519_bytesZ%crypto_scalarmult_ed25519_scalarbytesr r r r% r& r' r( r r r r �<module> s$ �%%3
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