Ë
|
¬`ió1 ã ór d dl mZ d dlmZmZ d dlmZmZ d dlm Z m
|
Z
|
m Z m Z d Z d Z G d de« Zd d
|
Zy ) é )ÚInteger)ÚSHA512ÚSHAKE256)ÚbchrÚis_bytes)ÚEccKeyÚ constructÚ_import_ed25519_public_keyÚ_import_ed448_public_keyc óÈ t | « dk( rt | « \ }}d}n6t | « dk( rt | « \ }}d}nt dt | « z « t |||¬« S )a Create a new Ed25519 or Ed448 public key object,
|
starting from the key encoded as raw ``bytes``,
|
in the format described in RFC8032.
|
|
Args:
|
encoded (bytes):
|
The EdDSA public key to import.
|
It must be 32 bytes for Ed25519, and 57 bytes for Ed448.
|
|
Returns:
|
:class:`Crypto.PublicKey.EccKey` : a new ECC key object.
|
|
Raises:
|
ValueError: when the given key cannot be parsed.
|
é ÚEd25519é9 ÚEd448zNot an EdDSA key (%d bytes))ÚcurveÚpoint_xÚpoint_y)Úlenr
|
r Ú
|
ValueErrorr )ÚencodedÚxÚyÚ
|
curve_names õi H:\项ç®\archive\æµè¯ç»\èæ¬\Change_password\venv_build\Lib\site-packages\Crypto/Signature/eddsa.pyÚimport_public_keyr ) sf ô" 7|rÒÜ)¨'Ó21Ø
|
Ü W Ò Ü'¨Ó01Ø
|
äÐ6¼¸W» ÑEÓFÐFÜ :¨q¸!Ô <Ð<ó c óv t | « dk( rd}n t | « dk( rd}n t d« t | |¬« S )a¯ Create a new Ed25519 or Ed448 private key object,
|
starting from the key encoded as raw ``bytes``,
|
in the format described in RFC8032.
|
|
Args:
|
encoded (bytes):
|
The EdDSA private key to import.
|
It must be 32 bytes for Ed25519, and 57 bytes for Ed448.
|
|
Returns:
|
:class:`Crypto.PublicKey.EccKey` : a new ECC key object.
|
|
Raises:
|
ValueError: when the given key cannot be parsed.
|
r Úed25519r Úed448z8Incorrect length. Only EdDSA private keys are supported.)Úseedr )r r r )r r s r Úimport_private_keyr! E sA ô" 7|rÒØ
|
Ü W Ò Ø
|
äÐSÓTÐTô
|
'¨Ô 4Ð4r c ó@ e Zd ZdZd Zd Zd Zd Zd Zd Z d Z
|
d Z y
|
) ÚEdDSASigSchemezlAn EdDSA signature object.
|
Do not instantiate directly.
|
Use :func:`Crypto.Signature.eddsa.new`.
|
c ó || _ || _ |j « | _ |j j
|
| _ y)z
Create a new EdDSA object.
|
|
Do not instantiate this object directly,
|
use `Crypto.Signature.DSS.new` instead.
|
N)Ú_keyÚ_contextÚ_export_eddsa_publicÚ_AÚ_curveÚorderÚ_order)ÚselfÚkeyÚcontexts r Ú__init__zEdDSASigScheme.__init__i s3 ð Ø Ø×*Ñ*Ó,Øjj×&Ñ& r c ó6 | j j « S )zRReturn ``True`` if this signature object can be used
|
for signing messages.)r% Ú has_private)r, s r Úcan_signzEdDSASigScheme.can_signu s ð yy×$Ñ$Ó&Ð&r c óÔ | j j « s t d« | j j dk( r?t |t
|
j « }|st |« s t d« | j }nc| j j dk( r?t |t j « }|st |« s t d« | j }n t d« |||« S )aJ Compute the EdDSA signature of a message.
|
|
Args:
|
msg_or_hash (bytes or a hash object):
|
The message to sign (``bytes``, in case of *PureEdDSA*) or
|
the hash that was carried out over the message (hash object, for *HashEdDSA*).
|
|
The hash object must be :class:`Crypto.Hash.SHA512` for Ed25519,
|
and :class:`Crypto.Hash.SHAKE256` object for Ed448.
|
|
:return: The signature as ``bytes``. It is always 64 bytes for Ed25519, and 114 bytes for Ed448.
|
:raise TypeError: if the EdDSA key has no private half
|
z Private key is needed to signr ú-'msg_or_hash' must be bytes of a SHA-512 hashr ú.'msg_or_hash' must be bytes of a SHAKE256 hashúIncorrect curve for EdDSA) r% r1 Ú TypeErrorr Ú
|
isinstancer Ú
|
SHA512Hashr Ú _sign_ed25519r Ú SHAKE256_XOFÚ _sign_ed448r )r, Ú msg_or_hashÚphÚeddsa_sign_methods r ÚsignzEdDSASigScheme.sign{ sà ð yy×$Ñ$Ô&ÜÐ ;Ó<Ð <à 99??iÒ 'ÜK¬×):Ñ):Ó;BÙ( ;Ô/Ü Ð OÓPÐPØ $× 2Ñ 2Ñ à YY__ Ò 'ÜK¬×)>Ñ)>Ó?BÙ( ;Ô/Ü Ð PÓQÐQØ $× 0Ñ 0Ñ ô Ð 8Ó9Ð 9á ¨bÓ1Ð1r c ó: | j s|rFt |« }dt |« z t t | j « « z | j z }nd}|r|j « n|}t j || j j z |z « j « }t j |d« | j z }t || j j j z ¬« j « }t j ||z | j z |z « j « } t j | d« | j z }
|
||
|
| j j" z z | j z } || j% dd« z S )Nó SigEd25519 no Ed25519 collisionsr Úlittle©Úpointr )r& Úintr r Údigestr Únewr% Ú_prefixr Ú
|
from_bytesr+ r r) ÚGr' r( ÚdÚto_bytes) r, r= r> ÚflagÚdom2ÚPHMÚr_hashÚrÚR_pkÚk_hashÚkÚss r r: z EdDSASigScheme._sign_ed25519 sF à ==BÜr7Dà6¼¸d»ÑCÜDMMÓ*Ó+ñ,Ø.2¯m©mñ<Dð Dá&(k× Ñ Ô"¨kô
|
D 4§9¡9×#4Ñ#4Ñ 4°sÑ :Ó;×BÑBÓDÜ × Ñ v xÓ 0°4·;±;Ñ >äA § ¡ × 0Ñ 0× 2Ñ 2Ñ 2Ô3×HÑHÓJäD 4K¨$¯'©'Ñ 1°CÑ 7Ó8×?Ñ?ÓAÜ × Ñ v xÓ 0°4·;±;Ñ >à TYY[[ Ñ D§K¡KÑ /àajj XÓ.Ñ.Ð.r c ó: t |« }dt |« z t t | j « « z | j z }|r |j « j d« n|}t j || j j z |z « j d« }t j |d« | j z }t || j j j z ¬« j! « }t j ||z | j" z |z « j d« } t j | d« | j z }
|
||
|
| j j$ z z | j z } || j' dd« z S )Nó SigEd448é@ ér rC rD r )rF r r r& ÚcopyÚreadr rH r% rI r rJ r+ r r) rK r' r( rL rM ) r, r= r> rN Údom4rP rQ rR rS rT rU rV s r r< zEdDSASigScheme._sign_ed448¹ sG ä2wàT $ZÑ'ÜC Ó&Ó'ñ(Ø*.¯-©-ñ8ñ .0k× Ñ Ó ×%Ñ% bÔ)°[ô
|
d T§Y¡Y×%6Ñ%6Ñ 6¸Ñ <Ó=×BÑBÀ3ÓGÜ × Ñ v xÓ 0°4·;±;Ñ >äA § ¡ × 0Ñ 0× 2Ñ 2Ñ 2Ô3×HÑHÓJä d Tk¨D¯G©GÑ 3°cÑ 9Ó:×?Ñ?ÀÓDÜ × Ñ v xÓ 0°4·;±;Ñ >à TYY[[ Ñ D§K¡KÑ /àajj XÓ.Ñ.Ð.r c ó | j j dk( r?t |t j « }|st |« s t d« | j }nc| j j dk( r?t |t j « }|st |« s t d« | j }n t d« ||||« S )a Check if an EdDSA signature is authentic.
|
|
Args:
|
msg_or_hash (bytes or a hash object):
|
The message to verify (``bytes``, in case of *PureEdDSA*) or
|
the hash that was carried out over the message (hash object, for *HashEdDSA*).
|
|
The hash object must be :class:`Crypto.Hash.SHA512` object for Ed25519,
|
and :class:`Crypto.Hash.SHAKE256` for Ed448.
|
|
signature (``bytes``):
|
The signature that needs to be validated.
|
It must be 64 bytes for Ed25519, and 114 bytes for Ed448.
|
|
:raise ValueError: if the signature is not authentic
|
r r4 r r5 r6 ) r% r r8 r r9 r r7 Ú_verify_ed25519r r; Ú _verify_ed448r )r, r= Ú signaturer> Úeddsa_verify_methods r ÚverifyzEdDSASigScheme.verifyÑ s© ð$ 99??iÒ 'ÜK¬×):Ñ):Ó;BÙ( ;Ô/Ü Ð OÓPÐPØ"&×"6Ñ"6Ñ à YY__ Ò 'ÜK¬×)>Ñ)>Ó?BÙ( ;Ô/Ü Ð PÓQÐQØ"&×"4Ñ"4Ñ ô Ð 8Ó9Ð 9á" ;° ¸2Ó>Ð>r c ó: t |« dk7 r t d« | j s|rFt |« }dt |« z t t | j « « z | j z }nd}|r|j « n|} t |d d « j }t j |dd d« }|| j kD r t d« t j ||d d z | j z |z « j « } t j | d« | j z }
|
|d z | j j j z } d |z |
|
d z | j j z z } | | k7 r t d
|
« y # t $ r t d« w xY w) NrY ú'The signature is not authentic (length)rB r r ú"The signature is not authentic (R)rC ú"The signature is not authentic (S)é ú The signature is not authentic)r r r& rF r rG r ÚpointQr rJ r+ r rH r( r% r) rK ) r, r= ra r> rN rO rP ÚRrV rT rU Úpoint1Úpoint2s r r_ z EdDSASigScheme._verify_ed25519ô s ä y>RÒ Ü Ð FÓGÐ Gà ==BÜr7DØ6¼¸d»ÑCÜDMMÓ*Ó+ñ,Ø.2¯m©mñ<Dð Dá&(k× Ñ Ô"¨kð
|
CÜ! )¨C¨R .Ó1×8Ñ8Aô × Ñ y¨¨~¨xÓ 8Ø t{{?Ü Ð AÓBÐ BäD 9¨S¨b >Ñ 1°D·G±GÑ ;¸cÑ AÓB×IÑIÓKÜ × Ñ v xÓ 0°4·;±;Ñ >àQ×)Ñ)×+Ñ+Ñ+ð QQ §¡×!1Ñ!1Ñ1Ñ1Ø VÒ Ü Ð =Ó>Ð >ð øô ò CÜ Ð AÓBÐ Bð Cús ÂF ÆFc ó8 t |« dk7 r t d« t |« }dt |« z t t | j « « z | j z }|r |j « j d« n|} t |d d « j }t j |dd d« }|| j kD r t d« t j ||d d z | j z |z « j d« } t j | d« | j z }
|
|d z | j j j" z } d |z |
|
d z | j j z z } | | k7 r t d
|
« y # t $ r t d« w xY w) NrZ re rX rY r rf rC rg rh ri )r r rF r r& r[ r\ r rj r rJ r+ r rH r( r% r) rK ) r, r= ra r> rN r] rP rk rV rT rU rl rm s r r` z EdDSASigScheme._verify_ed448 s
ä y>SÒ Ü Ð FÓGÐ Gä2wàT $ZÑ'ÜC Ó&Ó'ñ(Ø*.¯-©-ñ8ñ .0k× Ñ Ó ×%Ñ% bÔ)°[ð
|
CÜ! )¨C¨R .Ó1×8Ñ8Aô × Ñ y¨¨~¨xÓ 8Ø t{{?Ü Ð AÓBÐ Bä d Y¨s° ^Ñ 3°d·g±gÑ =ÀÑ CÓD×IÑIÈ#ÓNÜ × Ñ v xÓ 0°4·;±;Ñ >àQ×)Ñ)×+Ñ+Ñ+ð QQ §¡×!1Ñ!1Ñ1Ñ1Ø VÒ Ü Ð =Ó>Ð >ð øô ò CÜ Ð AÓBÐ Bð Cús ÂF ÆFN) Ú__name__Ú
|
__module__Ú __qualname__Ú__doc__r/ r2 r@ r: r< rc r_ r` © r r r# r# c s2 ñò
|
|
'ò'ò !2òF/ò6/ò0!?òF!?óF ?r r# Nc óÈ t | t « r| j dvr t d« |dk7 r t d« |d}nt |« dkD r t d« t | |« S )a¥ Create a signature object :class:`EdDSASigScheme` that
|
can perform or verify an EdDSA signature.
|
|
Args:
|
key (:class:`Crypto.PublicKey.ECC` object):
|
The key to use for computing the signature (*private* keys only)
|
or for verifying one.
|
The key must be on the curve ``Ed25519`` or ``Ed448``.
|
|
mode (string):
|
This parameter must be ``'rfc8032'``.
|
|
context (bytes):
|
Up to 255 bytes of `context <https://datatracker.ietf.org/doc/html/rfc8032#page-41>`_,
|
which is a constant byte string to segregate different protocols or
|
different applications of the same key.
|
)r r z&EdDSA can only be used with EdDSA keysÚrfc8032zMode must be 'rfc8032'r éÿ z3Context for EdDSA must not be longer than 255 bytes)r8 r r r r r# )r- Úmoder. s r rH rH 9 si ô& c6Ô " c§i¡iÐ7KÑ&KÜÐAÓBÐBà yÒÜÐ1Ó2Ð2àØÜ W Ò ÜÐNÓOÐOä #wÓ 'Ð'r )N)ÚCrypto.Math.Numbersr Ú Crypto.Hashr r ÚCrypto.Util.py3compatr r ÚCrypto.PublicKey.ECCr r r
|
r r r! Úobjectr# rH rs r r ú<module>r} s8 ðõ> (ç (ß 0÷<ó <ò =ò85ô<S?Vô S?ôl (r
|
