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algorithms.cpython-310.pyc
o 7bV @ s d dl Z d dlZd dlZddlmZ ddlmZmZmZm Z m Z m Z m Z m Z mZ zZd dlZd dlmZ d dlmZ d dlmZmZ d dlmZmZ d d lmZm Z d d l m Z m Z d d l m!Z!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z( d d l)m*Z*m+Z+m,Z,m-Z-m.Z.m/Z/m0Z0 d Z1W n e2y dZ1Y nw h dZ3dd Z4G dd dZ5G dd de5Z6G dd de5Z7e1rG dd de5Z8G dd de5Z9G d d d e8Z:G d d d e5Z;dS dS ) N InvalidKeyError) base64url_decodebase64url_encodeder_to_raw_signature force_bytesfrom_base64url_uint is_pem_format is_ssh_keyraw_to_der_signatureto_base64url_uint)InvalidSignature)hashes)ecpadding)EllipticCurvePrivateKeyEllipticCurvePublicKey)Ed448PrivateKeyEd448PublicKey)Ed25519PrivateKeyEd25519PublicKey) RSAPrivateKeyRSAPrivateNumbers RSAPublicKeyRSAPublicNumbers rsa_crt_dmp1 rsa_crt_dmq1 rsa_crt_iqmprsa_recover_prime_factors)Encoding NoEncryption PrivateFormat PublicFormatload_pem_private_keyload_pem_public_keyload_ssh_public_keyTF> ES256ES384ES512ES521EdDSAPS256PS384PS512RS256RS384RS512ES256Kc C s t ttjttjttjd} trG| ttjttjttjttjttjttjttjttjt t jt t jt t jt d | S )zE Returns the algorithms that are implemented by the library. )ZnoneZHS256ZHS384ZHS512) r/ r0 r1 r' r2 r( r* r) r, r- r. r+ ) NoneAlgorithm HMACAlgorithmSHA256SHA384SHA512 has_cryptoupdate RSAAlgorithm ECAlgorithmRSAPSSAlgorithm OKPAlgorithm)Zdefault_algorithms r> 0/usr/lib/python3/dist-packages/jwt/algorithms.pyget_default_algorithmsK s0 r@ c @ s@ e Zd ZdZdd Zdd Zdd Zedd Zed d Z d S ) AlgorithmzH The interface for an algorithm used to sign and verify tokens. c C t )z Performs necessary validation and conversions on the key and returns the key value in the proper format for sign() and verify(). NotImplementedErrorselfkeyr> r> r? prepare_keyr zAlgorithm.prepare_keyc C rB )zn Returns a digital signature for the specified message using the specified key value. rC rF msgrG r> r> r? signy rI zAlgorithm.signc C rB )zz Verifies that the specified digital signature is valid for the specified message and key values. rC rF rK rG sigr> r> r? verify rI zAlgorithm.verifyc C rB )z7 Serializes a given RSA key into a JWK rC key_objr> r> r? to_jwk rI zAlgorithm.to_jwkc C rB )zb Deserializes a given RSA key from JWK back into a PublicKey or PrivateKey object rC )jwkr> r> r? from_jwk rI zAlgorithm.from_jwkN) __name__ __module__ __qualname____doc__rH rL rO staticmethodrR rT r> r> r> r? rA m s rA c @ s( e Zd ZdZdd Zdd Zdd ZdS ) r3 zZ Placeholder for use when no signing or verification operations are required. c C s |dkrd }|d urt d|S )N z*When alg = "none", key value must be None.r rE r> r> r? rH s zNoneAlgorithm.prepare_keyc C dS )N r> rJ r> r> r? rL zNoneAlgorithm.signc C r[ )NFr> rM r> r> r? rO r] zNoneAlgorithm.verifyN)rU rV rW rX rH rL rO r> r> r> r? r3 s r3 c @ sZ e Zd ZdZejZejZej Z dd Z dd Z e dd Ze dd Zd d Zd d ZdS )r4 zf Performs signing and verification operations using HMAC and the specified hash function. c C || _ d S Nhash_algrF ra r> r> r? __init__ zHMACAlgorithm.__init__c C s$ t |}t|s t|rtd|S )NzdThe specified key is an asymmetric key or x509 certificate and should not be used as an HMAC secret.)r r r r rE r> r> r? rH s zHMACAlgorithm.prepare_keyc C s t tt| ddS )Noct)kkty)jsondumpsr r decoderP r> r> r? rR s zHMACAlgorithm.to_jwkc C sh zt | tr t| }n t | tr| }ntW n ty" tdw |ddkr.tdt|d S )NKey is not valid JSONrg re zNot an HMAC keyrf ) isinstancestrrh loadsdict ValueErrorr getr )rS objr> r> r? rT s zHMACAlgorithm.from_jwkc C s t ||| j S r_ )hmacnewra ZdigestrJ r> r> r? rL zHMACAlgorithm.signc C s t || ||S r_ )rs Zcompare_digestrL rM r> r> r? rO ru zHMACAlgorithm.verifyN)rU rV rW rX hashlibZsha256r5 Zsha384r6 Zsha512r7 rc rH rY rR rT rL rO r> r> r> r? r4 s r4 c @ sZ e Zd ZdZejZejZejZdd Zdd Z e dd Z e dd Z d d Z d d ZdS )r: z~ Performs signing and verification operations using RSASSA-PKCS-v1_5 and the specified hash function. c C r^ r_ r` rb r> r> r? rc rd zRSAAlgorithm.__init__c C sx t |ttfr |S t |ttfstdt|}z|dr%t|}W |S t |d d}W |S t y; t |}Y |S w )N Expecting a PEM-formatted key.s ssh-rsaZpassword) rl r r bytesrm TypeErrorr startswithr& r$ rp r% rE r> r> r? rH s zRSAAlgorithm.prepare_keyc C s d }t | dd rE| }ddgt|jj t|jj t|j t|j t|j t|j t|j t|j d }n!t | dd rb| }ddgt|j t|j d}nt dt|S )Nprivate_numbersRSArL ) rg key_opsnedpqdpdqqirO )rg r~ r r Not a public or private key)getattrr| r public_numbersr rj r r r r dmp1dmq1iqmpr rh ri )rQ rr numbersr> r> r? rR s. zRSAAlgorithm.to_jwkc s zt | tr t| n t | tr| ntW n ty" tdw ddkr.tdd v rd v rd v rd v rBtd g d } fd d |D }t|}|r]t |s]td t t d t d }|rt t d t d t d t d t d t d |d}| S t d }t |j||j\}}t |||t||t||t|||d}| S d v rd v rt t d t d }| S td)Nrk rg r} zNot an RSA keyr r r Zothz5Unsupported RSA private key: > 2 primes not supported)r r r r r c s g | ]}| v qS r> r> ).0Zproprr r> r? <listcomp>A s z)RSAAlgorithm.from_jwk.<locals>.<listcomp>z@RSA key must include all parameters if any are present besides dr r r r r )r r r r r r r r )rl rm rh rn ro rp r rq anyallr r r r r r r r r private_key public_key) rS Z other_propsZ props_foundZany_props_foundr r r r r r> r r? rT * sx zRSAAlgorithm.from_jwkc C s | |t | S r_ )rL r PKCS1v15ra rJ r> r> r? rL t s zRSAAlgorithm.signc C s4 z| ||t | W dS ty Y dS w )NTF)rO r r ra r rM r> r> r? rO w s zRSAAlgorithm.verifyN)rU rV rW rX r r5 r6 r7 rc rH rY rR rT rL rO r> r> r> r? r: s # I r: c @ sN e Zd ZdZejZejZejZdd Zdd Z dd Z dd Z e d d Z d S ) r; zr Performs signing and verification operations using ECDSA and the specified hash function c C r^ r_ r` rb r> r> r? rc rd zECAlgorithm.__init__c C sx t |ttfr |S t |ttfstdt|}z|dr%t|}W |S t |}W |S t y; t |d d}Y |S w )Nrw s ecdsa-sha2-rx ) rl r r ry rm rz r r{ r& r% rp r$ rE r> r> r? rH s zECAlgorithm.prepare_keyc C s" | |t| }t||jS r_ )rL r ECDSAra r curve)rF rK rG der_sigr> r> r? rL s zECAlgorithm.signc C sl zt ||j}W n ty Y dS w zt|tr | }|||t| W dS t y5 Y dS w )NFT) r r rp rl r r rO r r ra r )rF rK rG rN r r> r> r? rO s zECAlgorithm.verifyc C s& zt | tr t| }n t | tr| }ntW n ty" tdw |ddkr.tdd|vs6d|vr:tdt|d}t|d}|d}|dkrmt |t | kr_d krin td t }nktd |d krt |t | krd krn td t }nKtd |dkrt |t | krdkrn tdt }n+td|dkrt |t | krd krn tdt }n tdtd| t jtj|ddtj|dd|d}d|vr| S t|d}t |t |krtdt ||t tj|dd| S )Nrk rg ZECzNot an Elliptic curve keyxycrvzP-256 z)Coords should be 32 bytes for curve P-256zP-3840 z)Coords should be 48 bytes for curve P-384zP-521B z)Coords should be 66 bytes for curve P-521Z secp256k1z-Coords should be 32 bytes for curve secp256k1Invalid curve: Zbig) byteorder)r r r r z!D should be {} bytes for curve {})rl rm rh rn ro rp r rq r lenr Z SECP256R1Z SECP384R1Z SECP521R1Z SECP256K1ZEllipticCurvePublicNumbersint from_bytesr ZEllipticCurvePrivateNumbersr )rS rr r r r Z curve_objr r r> r> r? rT sv zECAlgorithm.from_jwkN)rU rV rW rX r r5 r6 r7 rc rH rL rO rY rT r> r> r> r? r; ~ s r; c @ s e Zd ZdZdd Zdd ZdS )r< zA Performs a signature using RSASSA-PSS with MGF1 c C s* | |tjt| | jjd| S )NZmgfZ salt_length)rL r PSSMGF1ra digest_sizerJ r> r> r? rL s zRSAPSSAlgorithm.signc C sH z| ||tjt| | jjd| W dS ty# Y dS w )Nr TF)rO r r r ra r r rM r> r> r? rO s zRSAPSSAlgorithm.verifyN)rU rV rW rX rL rO r> r> r> r? r< s r< c @ sH e Zd ZdZdd Zdd Zdd Zdd Zed d Z ed d Z dS )r= z Performs signing and verification operations using EdDSA This class requires ``cryptography>=2.6`` to be installed. c K s d S r_ r> )rF kwargsr> r> r? rc r] zOKPAlgorithm.__init__c C s t |ttfr6t |tr|d}|d}d|v r t|}nd|v r*t|d d}n |dd dkr6t|}t |tt t t fsCt d|S ) Nutf-8z-----BEGIN PUBLICz-----BEGIN PRIVATErx r zssh-zcExpecting a EllipticCurvePrivateKey/EllipticCurvePublicKey. Wrong key provided for EdDSA algorithms) rl ry rm encoderj r% r$ r& r r r r r )rF rG Zstr_keyr> r> r? rH s$ zOKPAlgorithm.prepare_keyc C s$ t |tur t|dn|}||S )aR Sign a message ``msg`` using the EdDSA private key ``key`` :param str|bytes msg: Message to sign :param Ed25519PrivateKey}Ed448PrivateKey key: A :class:`.Ed25519PrivateKey` or :class:`.Ed448PrivateKey` iinstance :return bytes signature: The signature, as bytes r )typery rL rJ r> r> r? rL 6 s zOKPAlgorithm.signc C sv z.t |tur t|dn|}t |turt|dn|}t|ttfr&| }||| W dS tjj y: Y dS w )a Verify a given ``msg`` against a signature ``sig`` using the EdDSA key ``key`` :param str|bytes sig: EdDSA signature to check ``msg`` against :param str|bytes msg: Message to sign :param Ed25519PrivateKey|Ed25519PublicKey|Ed448PrivateKey|Ed448PublicKey key: A private or public EdDSA key instance :return bool verified: True if signature is valid, False if not. r TF) r ry rl r r r rO cryptography exceptionsr rM r> r> r? rO A s zOKPAlgorithm.verifyc C s t | ttfr(| jtjtjd}t | trdnd}tt t | d|dS t | t t frd| jtjtjt d}| jtjtjd}t | t rLdnd}tt t | t t | d|dS td) N)encodingformatEd25519Ed448OKP)r rg r )r r Zencryption_algorithm)r r rg r r )rl r r Z public_bytesr ZRawr# rh ri r r rj r r Z private_bytesr" r! r r )rG r r r r> r> r? rR V s> zOKPAlgorithm.to_jwkc C s zt | tr t| }n t | tr| }ntW n ty" tdw |ddkr.td|d}|dkrB|dkrBtd| d |vrJtd t|d }z+d |vrf|dkr`t |W S t |W S t|d }|dkrwt |W S t |W S ty } ztd |d }~ww ) Nrk rg r zNot an Octet Key Pairr r r r r z OKP should have "x" parameterr zInvalid key parameter)rl rm rh rn ro rp r rq r r Zfrom_public_bytesr r Zfrom_private_bytesr )rS rr r r r errr> r> r? rT ~ s> zOKPAlgorithm.from_jwkN) rU rV rW rX rc rH rL rO rY rR rT r> r> r> r? r= s 'r= )<rv rs rh r r Zutilsr r r r r r r r r Zcryptography.exceptionsr r Z cryptography.hazmat.primitivesr Z)cryptography.hazmat.primitives.asymmetricr r Z,cryptography.hazmat.primitives.asymmetric.ecr r Z/cryptography.hazmat.primitives.asymmetric.ed448r r Z1cryptography.hazmat.primitives.asymmetric.ed25519r r Z-cryptography.hazmat.primitives.asymmetric.rsar r r r r r r r Z,cryptography.hazmat.primitives.serializationr r! r" r# r$ r% r& r8 ModuleNotFoundErrorZrequires_cryptographyr@ rA r3 r4 r: r; r< r= r> r> r> r? <module> sB , ($ ")9 x