Current File : //snap/core/17212/usr/lib/python3/dist-packages/jwt/__pycache__/algorithms.cpython-35.pyc
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Returns the algorithms that are implemented by the library.
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The interface for an algorithm used to sign and verify tokens.
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Performs necessary validation and conversions on the key and returns
the key value in the proper format for sign() and verify().
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Returns a digital signature for the specified message
using the specified key value.
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Verifies that the specified digital signature is valid
for the specified message and key values.
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Placeholder for use when no signing or verification
operations are required.
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zNoneAlgorithm.prepare_keyc C s d S)N� r )r$ r' r% r r r r( _ s zNoneAlgorithm.signc C s d S)NFr )r$ r' r% r) r r r r* b s zNoneAlgorithm.verifyN)r+ r, r- r. r& r( r* r r r r r Q s r c @ sa e Z d Z d Z e j Z e j Z e j Z
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Performs signing and verification operations using HMAC
and the specified hash function.
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Nz+Expecting a string- or bytes-formatted key.zutf-8s -----BEGIN PUBLIC KEY-----s -----BEGIN CERTIFICATE-----s -----BEGIN RSA PUBLIC KEY-----s ssh-rsac s g | ] } | � k � q Sr r )�.0Z string_value)r% r r �
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Performs signing and verification operations using
RSASSA-PKCS-v1_5 and the specified hash function.
c C s
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r� t | d t � �} Yq� Xn t d � � | S)Nzutf-8s ssh-rsa�backend�passwordz Expecting a PEM-formatted key.)
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zRSAAlgorithm.verifyN) r+ r, r- r. r r r r r2 r& r( r* r r r r r � s r c @ sa e Z d Z d Z e j Z e j Z e j Z d d � Z d d � Z d d � Z
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Performs signing and verification operations using
ECDSA and the specified hash function
c C s
| | _ d S)N)r1 )r$ r1 r r r r2 � s zECAlgorithm.__init__c C s� t | t � s t | t � r" | St | t � r� t | t � rO | j d � } y t | d t � �} Wq� t k
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zECAlgorithm.signc C s� y t | | j � } Wn t k
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Performs a signature using RSASSA-PSS with MGF1
c C sV | j t j d t j | j � � d | j j � | j � � } | j | � | j � S)N�mgf� salt_length)rA r �PSS�MGF1r1 � digest_sizer rC )r$ r' r% rA r r r r( s
zRSAPSSAlgorithm.signc C s~ | j | t j d t j | j � � d | j j � | j � � } | j | � y | j � d SWn t k
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exceptionsr Zutilsr r Z cryptography.hazmat.primitivesr Z,cryptography.hazmat.primitives.serializationr
r r Z-cryptography.hazmat.primitives.asymmetric.rsar
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