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x509
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3 l�_)g � @ s� d dl mZmZmZ d dlZd dlZd dlZd dlmZ d dl Z d dl m Z d dl m Z d dlmZmZmZmZmZ d dlmZmZ d dlmZ d d lmZ ejd d d �ZG d d � d e �Z dd� Z dd� Z dd� Z G dd� de�Z!d6dd�Z"d7dd�Z#d8dd�Z$d9d d �Z%d:d d �Z&d;d d!�Z'G d"d#� d#e �Z(e j)ej*�G d$d%� d%e+��Z,e j)ej*�G d&d'� d'e+��Z-e j)ej*�G d(d)� d)e+��Z.e j)ej*�G d*d+� d+e+��Z/G d,d-� d-e+�Z0G d.d/� d/e+�Z1G d0d1� d1e+�Z2G d2d3� d3e+�Z3d4d5� Z4dS )<� )�absolute_import�division�print_functionN)�Enum)�utils)� _get_backend)�dsa�ec�ed25519�ed448�rsa)� Extension� ExtensionType)�Name)�ObjectIdentifieri� � c s e Zd Z� fdd�Z� ZS )�AttributeNotFoundc s t t| �j|� || _d S )N)�superr �__init__�oid)�self�msgr )� __class__� � /usr/lib64/python3.6/base.pyr s zAttributeNotFound.__init__)�__name__� __module__� __qualname__r � __classcell__r r )r r r s r c C s& x |D ]}|j | j krtd��qW d S )Nz$This extension has already been set.)r � ValueError)� extension� extensions�er r r �_reject_duplicate_extension% s r# c C s& x |D ]\}}|| krt d��qW d S )Nz$This attribute has already been set.)r )r � attributesZattr_oid�_r r r �_reject_duplicate_attribute, s r& c C s: | j dk r2| j� }|r|ntj� }| jdd�| S | S dS )z�Normalizes a datetime to a naive datetime in UTC. time -- datetime to normalize. Assumed to be in UTC if not timezone aware. N)�tzinfo)r' Z utcoffset�datetimeZ timedelta�replace)�time�offsetr r r �_convert_to_naive_utc_time3 s r, c @ s e Zd ZdZdZdS )�Versionr � N)r r r Zv1�v3r r r r r- A s r- c C s t |�}|j| �S )N)r �load_pem_x509_certificate)�data�backendr r r r0 F s r0 c C s t |�}|j| �S )N)r �load_der_x509_certificate)r1 r2 r r r r3 K s r3 c C s t |�}|j| �S )N)r �load_pem_x509_csr)r1 r2 r r r r4 P s r4 c C s t |�}|j| �S )N)r �load_der_x509_csr)r1 r2 r r r r5 U s r5 c C s t |�}|j| �S )N)r �load_pem_x509_crl)r1 r2 r r r r6 Z s r6 c C s t |�}|j| �S )N)r �load_der_x509_crl)r1 r2 r r r r7 _ s r7 c s e Zd Z� fdd�Z� ZS )�InvalidVersionc s t t| �j|� || _d S )N)r r8 r �parsed_version)r r r9 )r r r r e s zInvalidVersion.__init__)r r r r r r r )r r r8 d s r8 c @ s� e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Z ejd d � �Z ejd d � �Z ejd d� �Z ejdd� �Z ejdd� �Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zejdd � �Zejd d � �Zejd d � �Zejd!d"� �Zd#S )$� Certificatec C s dS )z4 Returns bytes using digest passed. Nr )r � algorithmr r r � fingerprintl s zCertificate.fingerprintc C s dS )z3 Returns certificate serial number Nr )r r r r � serial_numberr s zCertificate.serial_numberc C s dS )z1 Returns the certificate version Nr )r r r r �versionx s zCertificate.versionc C s dS )z( Returns the public key Nr )r r r r � public_key~ s zCertificate.public_keyc C s dS )z? Not before time (represented as UTC datetime) Nr )r r r r �not_valid_before� s z Certificate.not_valid_beforec C s dS )z> Not after time (represented as UTC datetime) Nr )r r r r �not_valid_after� s zCertificate.not_valid_afterc C s dS )z1 Returns the issuer name object. Nr )r r r r �issuer� s zCertificate.issuerc C s dS )z2 Returns the subject name object. Nr )r r r r �subject� s zCertificate.subjectc C s dS )zt Returns a HashAlgorithm corresponding to the type of the digest signed in the certificate. Nr )r r r r �signature_hash_algorithm� s z$Certificate.signature_hash_algorithmc C s dS )zJ Returns the ObjectIdentifier of the signature algorithm. Nr )r r r r �signature_algorithm_oid� s z#Certificate.signature_algorithm_oidc C s dS )z/ Returns an Extensions object. Nr )r r r r r! � s zCertificate.extensionsc C s dS )z. Returns the signature bytes. Nr )r r r r � signature� s zCertificate.signaturec C s dS )zR Returns the tbsCertificate payload bytes as defined in RFC 5280. Nr )r r r r �tbs_certificate_bytes� s z!Certificate.tbs_certificate_bytesc C s dS )z" Checks equality. Nr )r �otherr r r �__eq__� s zCertificate.__eq__c C s dS )z# Checks not equal. Nr )r rH r r r �__ne__� s zCertificate.__ne__c C s dS )z" Computes a hash. Nr )r r r r �__hash__� s zCertificate.__hash__c C s dS )zB Serializes the certificate to PEM or DER format. Nr )r �encodingr r r � public_bytes� s zCertificate.public_bytesN)r r r �abc�abstractmethodr< �abstractpropertyr= r> r? r@ rA rB rC rD rE r! rF rG rI rJ rK rM r r r r r: j s" r: c @ s� e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Z ejd d � �Z ejd d � �Z ejd d� �Z ejdd� �Z ejdd� �Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zejdd � �Zejd d � �Zejd d � �Zejd!d"� �Zd#S )$�CertificateRevocationListc C s dS )z: Serializes the CRL to PEM or DER format. Nr )r rL r r r rM � s z&CertificateRevocationList.public_bytesc C s dS )z4 Returns bytes using digest passed. Nr )r r; r r r r< � s z%CertificateRevocationList.fingerprintc C s dS )zs Returns an instance of RevokedCertificate or None if the serial_number is not in the CRL. Nr )r r= r r r �(get_revoked_certificate_by_serial_number� s zBCertificateRevocationList.get_revoked_certificate_by_serial_numberc C s dS )zt Returns a HashAlgorithm corresponding to the type of the digest signed in the certificate. Nr )r r r r rD � s z2CertificateRevocationList.signature_hash_algorithmc C s dS )zJ Returns the ObjectIdentifier of the signature algorithm. Nr )r r r r rE � s z1CertificateRevocationList.signature_algorithm_oidc C s dS )zC Returns the X509Name with the issuer of this CRL. Nr )r r r r rB � s z CertificateRevocationList.issuerc C s dS )z? Returns the date of next update for this CRL. Nr )r r r r � next_update� s z%CertificateRevocationList.next_updatec C s dS )z? Returns the date of last update for this CRL. Nr )r r r r � last_update s z%CertificateRevocationList.last_updatec C s dS )zS Returns an Extensions object containing a list of CRL extensions. Nr )r r r r r! s z$CertificateRevocationList.extensionsc C s dS )z. Returns the signature bytes. Nr )r r r r rF s z#CertificateRevocationList.signaturec C s dS )zO Returns the tbsCertList payload bytes as defined in RFC 5280. Nr )r r r r �tbs_certlist_bytes s z,CertificateRevocationList.tbs_certlist_bytesc C s dS )z" Checks equality. Nr )r rH r r r rI s z CertificateRevocationList.__eq__c C s dS )z# Checks not equal. Nr )r rH r r r rJ s z CertificateRevocationList.__ne__c C s dS )z< Number of revoked certificates in the CRL. Nr )r r r r �__len__& s z!CertificateRevocationList.__len__c C s dS )zS Returns a revoked certificate (or slice of revoked certificates). Nr )r �idxr r r � __getitem__, s z%CertificateRevocationList.__getitem__c C s dS )z8 Iterator over the revoked certificates Nr )r r r r �__iter__2 s z"CertificateRevocationList.__iter__c C s dS )zQ Verifies signature of revocation list against given public key. Nr )r r? r r r �is_signature_valid8 s z,CertificateRevocationList.is_signature_validN)r r r rN rO rM r< rR rP rD rE rB rS rT r! rF rU rI rJ rV rX rY rZ r r r r rQ � s" rQ c @ s� e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zej d d � �Z ej d d � �Z ej d d� �Z ej dd� �Z ejdd� �Zej dd� �Zej dd� �Zej dd� �Zej dd� �ZdS ) �CertificateSigningRequestc C s dS )z" Checks equality. Nr )r rH r r r rI A s z CertificateSigningRequest.__eq__c C s dS )z# Checks not equal. Nr )r rH r r r rJ G s z CertificateSigningRequest.__ne__c C s dS )z" Computes a hash. Nr )r r r r rK M s z"CertificateSigningRequest.__hash__c C s dS )z( Returns the public key Nr )r r r r r? S s z$CertificateSigningRequest.public_keyc C s dS )z2 Returns the subject name object. Nr )r r r r rC Y s z!CertificateSigningRequest.subjectc C s dS )zt Returns a HashAlgorithm corresponding to the type of the digest signed in the certificate. Nr )r r r r rD _ s z2CertificateSigningRequest.signature_hash_algorithmc C s dS )zJ Returns the ObjectIdentifier of the signature algorithm. Nr )r r r r rE f s z1CertificateSigningRequest.signature_algorithm_oidc C s dS )z@ Returns the extensions in the signing request. Nr )r r r r r! l s z$CertificateSigningRequest.extensionsc C s dS )z; Encodes the request to PEM or DER format. Nr )r rL r r r rM r s z&CertificateSigningRequest.public_bytesc C s dS )z. Returns the signature bytes. Nr )r r r r rF x s z#CertificateSigningRequest.signaturec C s dS )zd Returns the PKCS#10 CertificationRequestInfo bytes as defined in RFC 2986. Nr )r r r r �tbs_certrequest_bytes~ s z/CertificateSigningRequest.tbs_certrequest_bytesc C s dS )z8 Verifies signature of signing request. Nr )r r r r rZ � s z,CertificateSigningRequest.is_signature_validc C s dS )z: Get the attribute value for a given OID. Nr )r r r r �get_attribute_for_oid� s z/CertificateSigningRequest.get_attribute_for_oidN)r r r rN rO rI rJ rK r? rP rC rD rE r! rM rF r\ rZ r] r r r r r[ ? s r[ c @ s6 e Zd Zejdd� �Zejdd� �Zejdd� �ZdS )�RevokedCertificatec C s dS )zG Returns the serial number of the revoked certificate. Nr )r r r r r= � s z RevokedCertificate.serial_numberc C s dS )zH Returns the date of when this certificate was revoked. Nr )r r r r �revocation_date� s z"RevokedCertificate.revocation_datec C s dS )zW Returns an Extensions object containing a list of Revoked extensions. Nr )r r r r r! � s z RevokedCertificate.extensionsN)r r r rN rP r= r_ r! r r r r r^ � s r^ c @ s> e Zd Zdg g fdd�Zdd� Zdd� Zdd � Zd d d �ZdS ) � CertificateSigningRequestBuilderNc C s || _ || _|| _dS )zB Creates an empty X.509 certificate request (v1). N)� _subject_name� _extensions� _attributes)r � subject_namer! r$ r r r r � s z)CertificateSigningRequestBuilder.__init__c C s4 t |t�std��| jdk r$td��t|| j| j�S )zF Sets the certificate requestor's distinguished name. zExpecting x509.Name object.Nz&The subject name may only be set once.)� isinstancer � TypeErrorra r r` rb rc )r �namer r r rd � s z-CertificateSigningRequestBuilder.subject_namec C sD t |t�std��t|j||�}t|| j� t| j| j|g | j �S )zE Adds an X.509 extension to the certificate request. z"extension must be an ExtensionType) re r rf r r r# rb r` ra rc )r r �criticalr r r � add_extension� s z.CertificateSigningRequestBuilder.add_extensionc C sL t |t�std��t |t�s$td��t|| j� t| j| j| j||fg �S )zK Adds an X.509 attribute with an OID and associated value. z oid must be an ObjectIdentifierzvalue must be bytes) re r rf �bytesr& rc r` ra rb )r r �valuer r r � add_attribute� s z.CertificateSigningRequestBuilder.add_attributec C s( t |�}| jdkrtd��|j| ||�S )zF Signs the request using the requestor's private key. Nz/A CertificateSigningRequest must have a subject)r ra r Zcreate_x509_csr)r � private_keyr; r2 r r r �sign� s z%CertificateSigningRequestBuilder.sign)N)r r r r rd ri rl rn r r r r r` � s r` c @ sf e Zd Zddddddg fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z ddd�Z dS )�CertificateBuilderNc C s6 t j| _|| _|| _|| _|| _|| _|| _|| _ d S )N) r- r/ Z_version� _issuer_namera � _public_key�_serial_number�_not_valid_before�_not_valid_afterrb )r � issuer_namerd r? r= r@ rA r! r r r r � s zCertificateBuilder.__init__c C sD t |t�std��| jdk r$td��t|| j| j| j| j | j | j �S )z3 Sets the CA's distinguished name. zExpecting x509.Name object.Nz%The issuer name may only be set once.) re r rf rp r ro ra rq rr rs rt rb )r rg r r r ru � s z CertificateBuilder.issuer_namec C sD t |t�std��| jdk r$td��t| j|| j| j| j | j | j �S )z: Sets the requestor's distinguished name. zExpecting x509.Name object.Nz&The subject name may only be set once.) re r rf ra r ro rp rq rr rs rt rb )r rg r r r rd s z CertificateBuilder.subject_namec C sX t |tjtjtjtjt j f�s&t d��| j dk r8t d��t| j| j|| j| j| j| j�S )zT Sets the requestor's public key (as found in the signing request). zhExpecting one of DSAPublicKey, RSAPublicKey, EllipticCurvePublicKey, Ed25519PublicKey or Ed448PublicKey.Nz$The public key may only be set once.)re r Z DSAPublicKeyr Z RSAPublicKeyr ZEllipticCurvePublicKeyr ZEd25519PublicKeyr ZEd448PublicKeyrf rq r ro rp ra rr rs rt rb )r �keyr r r r? s& z CertificateBuilder.public_keyc C sj t |tj�std��| jdk r&td��|dkr6td��|j� dkrJtd��t| j| j | j || j | j | j �S )z5 Sets the certificate serial number. z'Serial number must be of integral type.Nz'The serial number may only be set once.r z%The serial number should be positive.� z3The serial number should not be more than 159 bits.)re �six� integer_typesrf rr r � bit_lengthro rp ra rq rs rt rb )r �numberr r r r= ? s" z CertificateBuilder.serial_numberc C sz t |tj�std��| jdk r&td��t|�}|tk r>td��| jdk rZ|| jkrZtd��t| j | j | j | j || j| j �S )z7 Sets the certificate activation time. zExpecting datetime object.Nz*The not valid before may only be set once.z>The not valid before date must be on or after 1950 January 1).zBThe not valid before date must be before the not valid after date.)re r( rf rs r r, �_EARLIEST_UTC_TIMErt ro rp ra rq rr rb )r r* r r r r@ Z s& z#CertificateBuilder.not_valid_beforec C sz t |tj�std��| jdk r&td��t|�}|tk r>td��| jdk rZ|| jk rZtd��t| j | j | j | j | j|| j �S )z7 Sets the certificate expiration time. zExpecting datetime object.Nz)The not valid after may only be set once.z<The not valid after date must be on or after 1950 January 1.zAThe not valid after date must be after the not valid before date.)re r( rf rt r r, r| rs ro rp ra rq rr rb )r r* r r r rA w s( z"CertificateBuilder.not_valid_afterc C sT t |t�std��t|j||�}t|| j� t| j| j | j | j | j | j | j|g �S )z= Adds an X.509 extension to the certificate. z"extension must be an ExtensionType)re r rf r r r# rb ro rp ra rq rr rs rt )r r rh r r r ri � s z CertificateBuilder.add_extensionc C s� t |�}| jdkrtd��| jdkr,td��| jdkr>td��| jdkrPtd��| jdkrbtd��| jdkrttd��|j| ||�S )zC Signs the certificate using the CA's private key. Nz&A certificate must have a subject namez&A certificate must have an issuer namez'A certificate must have a serial numberz/A certificate must have a not valid before timez.A certificate must have a not valid after timez$A certificate must have a public key) r ra r rp rr rs rt rq Zcreate_x509_certificate)r rm r; r2 r r r rn � s zCertificateBuilder.sign)N) r r r r ru rd r? r= r@ rA ri rn r r r r ro � s ro c @ sR e Zd Zdddg g fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Zddd�Z dS )� CertificateRevocationListBuilderNc C s" || _ || _|| _|| _|| _d S )N)rp � _last_update� _next_updaterb �_revoked_certificates)r ru rT rS r! Zrevoked_certificatesr r r r � s z)CertificateRevocationListBuilder.__init__c C s< t |t�std��| jd k r$td��t|| j| j| j| j �S )NzExpecting x509.Name object.z%The issuer name may only be set once.) re r rf rp r r} r~ r rb r� )r ru r r r ru � s z,CertificateRevocationListBuilder.issuer_namec C sr t |tj�std��| jd k r&td��t|�}|tk r>td��| jd k rZ|| jkrZtd��t| j || j| j | j �S )NzExpecting datetime object.z!Last update may only be set once.z8The last update date must be on or after 1950 January 1.z9The last update date must be before the next update date.) re r( rf r~ r r, r| r r} rp rb r� )r rT r r r rT � s" z,CertificateRevocationListBuilder.last_updatec C sr t |tj�std��| jd k r&td��t|�}|tk r>td��| jd k rZ|| jk rZtd��t| j | j|| j | j �S )NzExpecting datetime object.z!Last update may only be set once.z8The last update date must be on or after 1950 January 1.z8The next update date must be after the last update date.) re r( rf r r r, r| r~ r} rp rb r� )r rS r r r rS � s" z,CertificateRevocationListBuilder.next_updatec C sL t |t�std��t|j||�}t|| j� t| j| j | j | j|g | j �S )zM Adds an X.509 extension to the certificate revocation list. z"extension must be an ExtensionType) re r rf r r r# rb r} rp r~ r r� )r r rh r r r ri s z.CertificateRevocationListBuilder.add_extensionc C s2 t |t�std��t| j| j| j| j| j|g �S )z8 Adds a revoked certificate to the CRL. z)Must be an instance of RevokedCertificate) re r^ rf r} rp r~ r rb r� )r Zrevoked_certificater r r �add_revoked_certificate s z8CertificateRevocationListBuilder.add_revoked_certificatec C sL t |�}| jd krtd��| jd kr,td��| jd kr>td��|j| ||�S )Nz A CRL must have an issuer namez"A CRL must have a last update timez"A CRL must have a next update time)r rp r r~ r Zcreate_x509_crl)r rm r; r2 r r r rn - s z%CertificateRevocationListBuilder.sign)N) r r r r ru rT rS ri r� rn r r r r r} � s r} c @ s> e Zd Zddg fdd�Zdd� Zdd� Zdd � Zd d d �ZdS ) �RevokedCertificateBuilderNc C s || _ || _|| _d S )N)rr �_revocation_daterb )r r= r_ r! r r r r < s z"RevokedCertificateBuilder.__init__c C sZ t |tj�std��| jd k r&td��|dkr6td��|j� dkrJtd��t|| j| j �S )Nz'Serial number must be of integral type.z'The serial number may only be set once.r z$The serial number should be positiverw z3The serial number should not be more than 159 bits.) re rx ry rf rr r rz r� r� rb )r r{ r r r r= C s z'RevokedCertificateBuilder.serial_numberc C sN t |tj�std��| jd k r&td��t|�}|tk r>td��t| j|| j �S )NzExpecting datetime object.z)The revocation date may only be set once.z7The revocation date must be on or after 1950 January 1.) re r( rf r� r r, r| r� rr rb )r r* r r r r_ U s z)RevokedCertificateBuilder.revocation_datec C sD t |t�std��t|j||�}t|| j� t| j| j | j|g �S )Nz"extension must be an ExtensionType) re r rf r r r# rb r� rr r� )r r rh r r r ri c s z'RevokedCertificateBuilder.add_extensionc C s6 t |�}| jd krtd��| jd kr,td��|j| �S )Nz/A revoked certificate must have a serial numberz1A revoked certificate must have a revocation date)r rr r r� Z create_x509_revoked_certificate)r r2 r r r �buildo s z RevokedCertificateBuilder.build)N)r r r r r= r_ ri r� r r r r r� ; s r� c C s t jtjd�d�d? S )N� Zbigr )r Zint_from_bytes�os�urandomr r r r �random_serial_number{ s r� )N)N)N)N)N)N)5Z __future__r r r rN r( r� �enumr rx Z cryptographyr Z cryptography.hazmat.backendsr Z)cryptography.hazmat.primitives.asymmetricr r r r r Z cryptography.x509.extensionsr r Zcryptography.x509.namer Zcryptography.x509.oidr r| � Exceptionr r# r& r, r- r0 r3 r4 r5 r6 r7 r8 Z add_metaclass�ABCMeta�objectr: rQ r[ r^ r` ro r} r� r� r r r r �<module> sL ijRA ^v@
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