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keys.cpython-39.pyc
a ���g� � @ s� d Z ddlmZmZmZmZ ddlZddlZddlm Z m Z ddl m Z m Z ddlmZmZmZmZmZ ddlmZmZmZmZmZmZmZm Z m Z m Z m Z m Z m!Z!m"Z"m#Z# dd l$m%Z%m&Z& G d d � d e!�Z'G d d � d e"�Z(G dd� de�Z)G dd� de!�Z*G dd� de!�Z+G dd� de!�Z,G dd� d�Z-G dd� de e-�Z.G dd� de e-�Z/G d d � d e�Z0G d d � d e �Z1G d d!� d!e �Z2G d"d#� d#e!�Z3G d$d%� d%e!�Z4G d&d'� d'e!�Z5G d(d)� d)e!�Z6G d*d+� d+e!�Z7G d,d-� d-e �Z8G d.d/� d/e�Z9G d0d1� d1e�Z:G d2d3� d3e!�Z;G d4d5� d5e!�Z<G d6d7� d7e!�Z=G d8d9� d9e#�Z>G d:d;� d;e �Z?G d<d=� d=ee!�Z@G d>d?� d?e!�ZAG d@dA� dAe!�ZBG dBdC� dCe!�ZCG dDdE� dEe!�ZDG dFdG� dGe �ZEG dHdI� dIee!�ZFG dJdK� dKe!�ZGdS )La' ASN.1 type classes for public and private keys. Exports the following items: - DSAPrivateKey() - ECPrivateKey() - EncryptedPrivateKeyInfo() - PrivateKeyInfo() - PublicKeyInfo() - RSAPrivateKey() - RSAPublicKey() Other type classes are defined that help compose the types listed above. � )�unicode_literals�division�absolute_import�print_functionN� )�unwrap� APIException)� type_name�byte_cls)�_ForceNullParameters�DigestAlgorithm�EncryptionAlgorithm�RSAESOAEPParams�RSASSAPSSParams)�Any� Asn1Value� BitString�Choice�Integer�IntegerOctetString�Null�ObjectIdentifier�OctetBitString� OctetString�ParsableOctetString�ParsableOctetBitString�Sequence� SequenceOf�SetOf)�int_from_bytes� int_to_bytesc @ s& e Zd ZdZdefdefdefgZdS )�OtherPrimeInfo�= Source: https://tools.ietf.org/html/rfc3447#page-46 �prime�exponent� coefficientN��__name__� __module__� __qualname__�__doc__r �_fields� r, r, �@/opt/nydus/tmp/pip-target-mke_irhy/lib/python/asn1crypto/keys.pyr! - s �r! c @ s e Zd ZdZeZdS )�OtherPrimeInfosr" N)r' r( r) r* r! � _child_specr, r, r, r- r. 9 s r. c @ s e Zd ZdZddd�ZdS )�RSAPrivateKeyVersionzX Original Name: Version Source: https://tools.ietf.org/html/rfc3447#page-45 z two-primeZmulti)r r N�r' r( r) r* �_mapr, r, r, r- r0 A s �r0 c @ sV e Zd ZdZdefdefdefdefdefdefdefd efd efd ed d ifg ZdS )� RSAPrivateKeyz= Source: https://tools.ietf.org/html/rfc3447#page-45 �version�modulus�public_exponentZprivate_exponentZprime1Zprime2Z exponent1Z exponent2r% Zother_prime_infos�optionalTN)r' r( r) r* r0 r r. r+ r, r, r, r- r3 M s �r3 c @ s e Zd ZdZdefdefgZdS )� RSAPublicKeyz= Source: https://tools.ietf.org/html/rfc3447#page-44 r5 r6 Nr& r, r, r, r- r8 ` s �r8 c @ s8 e Zd ZdZdefdefdefdefdefdefgZdS ) � DSAPrivateKeya& The ASN.1 structure that OpenSSL uses to store a DSA private key that is not part of a PKCS#8 structure. Reversed engineered from english-language description on linked OpenSSL documentation page. Original Name: None Source: https://www.openssl.org/docs/apps/dsa.html r4 �p�q�g� public_key� private_keyNr& r, r, r, r- r9 k s �r9 c @ s$ e Zd ZdZedd� �Zdd� ZdS )�_ECPointa In both PublicKeyInfo and PrivateKeyInfo, the EC public key is a byte string that is encoded as a bit string. This class adds convenience methods for converting to and from the byte string to a pair of integers that are the X and Y coordinates. c C sj t t�t�|d�d ��}t t�t�|d�d ��}t||�}d}|t||d�7 }|t||d�7 }| |�S )a Creates an ECPoint object from the X and Y integer coordinates of the point :param x: The X coordinate, as an integer :param y: The Y coordinate, as an integer :return: An ECPoint object � � @� )�width)�int�math�ceil�log�maxr )�cls�x�yZx_bytesZy_bytes� num_bytesZ byte_stringr, r, r- � from_coords� s z_ECPoint.from_coordsc C s� | j }|dd� }|dkrZ|dd� }t|�d }t|d|� �}t||d� �}||fS |tddg�vrvttd���ttd ���dS ) z� Returns the X and Y coordinates for this EC point, as native Python integers :return: A 2-element tuple containing integers (X, Y) r r rB Nr@ � � zQ Invalid EC public key - first byte is incorrect z| Compressed representations of EC public keys are not supported due to patent US6252960 )�native�lenr �set� ValueErrorr )�self�dataZ first_byte� remainingZ field_lenrJ rK r, r, r- � to_coords� s ��z_ECPoint.to_coordsN)r' r( r) r* � classmethodrM rW r, r, r, r- r? s r? c @ s e Zd ZdS )�ECPointN�r' r( r) r, r, r, r- rY � s rY c @ s e Zd ZdS )�ECPointBitStringNrZ r, r, r, r- r[ � s r[ c @ s e Zd ZdZdddd�ZdS )�SpecifiedECDomainVersion�: Source: http://www.secg.org/sec1-v2.pdf page 104 ZecdpVer1ZecdpVer2ZecdpVer3)r r@ � Nr1 r, r, r, r- r\ � s �r\ c @ s e Zd ZdZddd�ZdS )� FieldTypezR Original Name: None Source: http://www.secg.org/sec1-v2.pdf page 101 � prime_field�characteristic_two_field)z1.2.840.10045.1.1z1.2.840.10045.1.2Nr1 r, r, r, r- r_ � s �r_ c @ s e Zd ZdZdddd�ZdS )�CharacteristicTwoBasiszR Original Name: None Source: http://www.secg.org/sec1-v2.pdf page 102 �gn_basis�tp_basis�pp_basis)z1.2.840.10045.1.2.1.1z1.2.840.10045.1.2.1.2z1.2.840.10045.1.2.1.3Nr1 r, r, r, r- rb � s �rb c @ s& e Zd ZdZdefdefdefgZdS )� Pentanomial�: Source: http://www.secg.org/sec1-v2.pdf page 102 Zk1Zk2Zk3Nr& r, r, r, r- rf � s �rf c @ s6 e Zd ZdZdefdefdefgZdZe ee d�Z dS )�CharacteristicTwoz` Original Name: Characteristic-two Source: http://www.secg.org/sec1-v2.pdf page 101 �m�basis� parameters)rj rk )rc rd re N) r' r( r) r* r rb r r+ � _oid_pairr rf � _oid_specsr, r, r, r- rh � s ��rh c @ s. e Zd ZdZdefdefgZdZee d�Z dS )�FieldIDz: Source: http://www.secg.org/sec1-v2.pdf page 100 � field_typerk )ro rk )r` ra N) r' r( r) r* r_ r r+ rl r rh rm r, r, r, r- rn s ��rn c @ s, e Zd ZdZdefdefdeddifgZdS )�Curver] �a�b�seedr7 TN)r' r( r) r* r r r+ r, r, r, r- rp $ s �rp c @ sJ e Zd ZdZdefdefdefdefdefdedd ifd e dd ifgZ d S ) �SpecifiedECDomainz: Source: http://www.secg.org/sec1-v2.pdf page 103 r4 Zfield_id�curve�base�orderZcofactorr7 T�hashN) r' r( r) r* r\ rn rp rY r r r+ r, r, r, r- rt 0 s �rt c I @ sH e Zd ZdZdddddddd d d d d ddddddddddddddd d d d d d!d"d#d$d%d&d'd(d)d*d+d,d-d.d/d0d1d2d3d4d5d6d7d8d9d:d;d<d=d>d?d@dAdBdCdDdEdFdGdHdIdJ�HZdKdKdKdKdLdLdLdLdLdMdNdNdNdNdNdOdPdQdQdRdLdLdNdNdNdLdSdKdKdNdTdTdUdUdKdKdSdKdVdVdWdWdMdMdXdNdYdYdKdLdXdZd[d\d]d^d_d_d`d`dLdLdZdZdSdSdadad[d[dbdbdJ�HZedcdd� �ZdeS )f� NamedCurvez� Various named curves Original Name: None Source: https://tools.ietf.org/html/rfc3279#page-23, https://tools.ietf.org/html/rfc5480#page-5 Z c2pnb163v1Z c2pnb163v2Z c2pnb163v3Z c2pnb176w1Z c2tnb191v1Z c2tnb191v2Z c2tnb191v3Z c2onb191v4Z c2onb191v5Z c2pnb208w1Z c2tnb239v1Z c2tnb239v2Z c2tnb239v3Z c2onb239v4Z c2onb239v5Z c2pnb272w1Z c2pnb304w1Z c2tnb359v1Z c2pnb368w1Z c2tnb431r1Z prime192v2Z prime192v3Z prime239v1Z prime239v2Z prime239v3Z secp192r1Z secp256r1Z sect163k1Z sect163r1Z sect239k1Z sect113r1Z sect113r2Z secp112r1Z secp112r2Z secp160r1Z secp160k1Z secp256k1Z sect163r2Z sect283k1Z sect283r1Z sect131r1Z sect131r2Z sect193r1Z sect193r2Z sect233k1Z sect233r1Z secp128r1Z secp128r2Z secp160r2Z secp192k1Z secp224k1Z secp224r1Z secp384r1Z secp521r1Z sect409k1Z sect409r1Z sect571k1Z sect571r1Zbrainpoolp160r1Zbrainpoolp160t1Zbrainpoolp192r1Zbrainpoolp192t1Zbrainpoolp224r1Zbrainpoolp224t1Zbrainpoolp256r1Zbrainpoolp256t1Zbrainpoolp320r1Zbrainpoolp320t1Zbrainpoolp384r1Zbrainpoolp384t1Zbrainpoolp512r1Zbrainpoolp512t1)Hz1.2.840.10045.3.0.1z1.2.840.10045.3.0.2z1.2.840.10045.3.0.3z1.2.840.10045.3.0.4z1.2.840.10045.3.0.5z1.2.840.10045.3.0.6z1.2.840.10045.3.0.7z1.2.840.10045.3.0.8z1.2.840.10045.3.0.9z1.2.840.10045.3.0.10z1.2.840.10045.3.0.11z1.2.840.10045.3.0.12z1.2.840.10045.3.0.13z1.2.840.10045.3.0.14z1.2.840.10045.3.0.15z1.2.840.10045.3.0.16z1.2.840.10045.3.0.17z1.2.840.10045.3.0.18z1.2.840.10045.3.0.19z1.2.840.10045.3.0.20z1.2.840.10045.3.1.2z1.2.840.10045.3.1.3z1.2.840.10045.3.1.4z1.2.840.10045.3.1.5z1.2.840.10045.3.1.6z1.2.840.10045.3.1.1z1.2.840.10045.3.1.7z 1.3.132.0.1z 1.3.132.0.2z 1.3.132.0.3z 1.3.132.0.4z 1.3.132.0.5z 1.3.132.0.6z 1.3.132.0.7z 1.3.132.0.8z 1.3.132.0.9z 1.3.132.0.10z 1.3.132.0.15z 1.3.132.0.16z 1.3.132.0.17z 1.3.132.0.22z 1.3.132.0.23z 1.3.132.0.24z 1.3.132.0.25z 1.3.132.0.26z 1.3.132.0.27z 1.3.132.0.28z 1.3.132.0.29z 1.3.132.0.30z 1.3.132.0.31z 1.3.132.0.32z 1.3.132.0.33z 1.3.132.0.34z 1.3.132.0.35z 1.3.132.0.36z 1.3.132.0.37z 1.3.132.0.38z 1.3.132.0.39z1.3.36.3.3.2.8.1.1.1z1.3.36.3.3.2.8.1.1.2z1.3.36.3.3.2.8.1.1.3z1.3.36.3.3.2.8.1.1.4z1.3.36.3.3.2.8.1.1.5z1.3.36.3.3.2.8.1.1.6z1.3.36.3.3.2.8.1.1.7z1.3.36.3.3.2.8.1.1.8z1.3.36.3.3.2.8.1.1.9z1.3.36.3.3.2.8.1.1.10z1.3.36.3.3.2.8.1.1.11z1.3.36.3.3.2.8.1.1.12z1.3.36.3.3.2.8.1.1.13z1.3.36.3.3.2.8.1.1.14� � � � �! �% �- �5 � � � �$ � � � � �0 �B �3 �4 �H � �( �@ c C s, || j |< | jdur || j|< || j|< dS )a� Registers a new named elliptic curve that is not included in the default list of named curves :param name: A unicode string of the curve name :param oid: A unicode string of the dotted format OID :param key_size: An integer of the number of bytes the private key should be encoded to N)r2 Z _reverse_map� _key_sizes)rI �name�oid�key_sizer, r, r- �register� s zNamedCurve.registerN)r' r( r) r* r2 r� rX r� r, r, r, r- ry @ s* �R�Sry c @ s2 e Zd ZdZdefdefdefgZedd� �Z dS )�ECDomainParametersrg � specified�named� implicit_cac C sp | j dkrttd���| j dkrB| jd j}t�t�|d�d �S | jj}|t j vrfttdt |����t j | S )Nr� z� Unable to calculate key_size from ECDomainParameters that are implicitly defined by the CA key r� rw g @rA z� The asn1crypto.keys.NamedCurve %s does not have a registered key length, please call asn1crypto.keys.NamedCurve.register() ) r� rS r �chosenrP rE rF rG Zdottedry r� �repr)rT rw r� r, r, r- r� s � �zECDomainParameters.key_sizeN) r' r( r) r* rt ry r Z _alternatives�propertyr� r, r, r, r- r� s �r� c @ s e Zd ZdZddiZdS )�ECPrivateKeyVersionzR Original Name: None Source: http://www.secg.org/sec1-v2.pdf page 108 r Z ecPrivkeyVer1Nr1 r, r, r, r- r� ' s �r� c s` e Zd ZdZdefdefdeddd�fded dd�fgZd Z � fd d �Z d d� Z dd� Z � Z S )� ECPrivateKeyz: Source: http://www.secg.org/sec1-v2.pdf page 108 r4 r> rk r T)�explicitr7 r= r Nc s� t t| ��||�}|dkrn| jd u rZ| d j}t|t�rlt|�dkrl| �t| d j�� q�| jd ur�| � � n4|dkr�t| d t �r�| d j dkr�| �| d j � |S )Nr> r rk r� ) �superr� � __setitem__� _key_size�contents� isinstancer rQ � set_key_size�_update_key_sizer� r� r� )rT �key�value�resZ pkey_contents�� __class__r, r- r� B s �zECPrivateKey.__setitem__c C s || _ | �� dS )z� Sets the key_size to ensure the private key is encoded to the proper length :param key_size: An integer byte length to encode the private_key to N)r� r� )rT r� r, r, r- r� U s zECPrivateKey.set_key_sizec C s, | j dur(t| d t�r(| d �| j � dS )zG Ensure the private_key explicit encoding width is set Nr> )r� r� r Zset_encoded_width�rT r, r, r- r� ` s z ECPrivateKey._update_key_size)r' r( r) r* r� r r� r[ r+ r� r� r� r� � __classcell__r, r, r� r- r� 2 s � r� c @ s& e Zd ZdZdefdefdefgZdS )� DSAParamsz� Parameters for a DSA public or private key Original Name: Dss-Parms Source: https://tools.ietf.org/html/rfc3279#page-9 r: r; r< Nr& r, r, r, r- r� i s �r� c @ s& e Zd ZdZdefdedeifgZdS )� Attributezq Source: https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-X.501-198811-S!!PDF-E&type=items page 8 �type�values�specN)r' r( r) r* r r r r+ r, r, r, r- r� x s �r� c @ s e Zd ZdZeZdS )� Attributes�< Source: https://tools.ietf.org/html/rfc5208#page-3 N)r' r( r) r* r� r/ r, r, r, r- r� � s r� c @ s& e Zd ZdZdddddddd d �Zd S ) �PrivateKeyAlgorithmIdz� These OIDs for various public keys are reused when storing private keys inside of a PKCS#8 structure Original Name: None Source: https://tools.ietf.org/html/rfc3279 �rsa� rsassa_pss�dsa�ec�x25519�x448�ed25519�ed448)�1.2.840.113549.1.1.1�1.2.840.113549.1.1.10�1.2.840.10040.4.1�1.2.840.10045.2.1� 1.3.101.110� 1.3.101.111� 1.3.101.112� 1.3.101.113Nr1 r, r, r, r- r� � s �r� c @ s6 e Zd ZdZdefdeddifgZdZee e d�Z dS ) �PrivateKeyAlgorithmzm Original Name: PrivateKeyAlgorithmIdentifier Source: https://tools.ietf.org/html/rfc5208#page-3 � algorithmrk r7 T�r� rk )r� r� r� N) r' r( r) r* r� r r+ rl r� r� r rm r, r, r, r- r� � s ��r� c s� e Zd ZdZdefdefdefdeddd�fgZd d � Z de iZ d Z d Z d Z d Zed d � �Z� fdd�Zdd� Zedd� �Zedd� �Zedd� �Zedd� �Zedd� �Zed d � �Zed d � �Zed d!� �Z� Z S )"�PrivateKeyInfor� r4 �private_key_algorithmr> � attributesr T)Zimplicitr7 c C s( | d d j }ttttttttd�| S )Nr� r� )r� r� r� r� r� r� r� r� )rP r3 r r� r �rT r� r, r, r- �_private_key_spec� s � �z PrivateKeyInfo._private_key_specNc C sH t |t�s&t |t�s&ttdt|����|dks6|dkrRt |t�sJt�|�}t� }n�|dkr�t |t �snt �|�}t � }|d |d< |d |d< |d |d< |d }|d }nH|d kr�t |t �s�t �|�}n|� � }|d }|d = nt td t|����t� }t|�|d < ||d < | � }||_td�|d< ||d< ||d < |dk�rD||_|S )a' Wraps a private key in a PrivateKeyInfo structure :param private_key: A byte string or Asn1Value object of the private key :param algorithm: A unicode string of "rsa", "dsa" or "ec" :return: A PrivateKeyInfo object zX private_key must be a byte string or Asn1Value, not %s r� r� r� r: r; r< r= r> r� rk zU algorithm must be one of "rsa", "dsa", "ec", not %s r� r r4 r� )r� r r � TypeErrorr r r3 �loadr r9 r� r� �copyrS r� r� r� � _algorithmr � _public_key)rI r> r� �paramsr= Zprivate_key_algo� containerr, r, r- �wrap� sN � � zPrivateKeyInfo.wrapc s� t t| ��||�}| d }|dks*|dkr�|d jdkr�t|d t�r�|d jdkr�t| d t�r�t| d jt �r�| d j� |d j � |S )Nr� r> r� r� rk r� ) r� r� r� rP r� r� r� r �parsedr� r� r� )rT r� r� r� r� r� r, r- r� " s � � � ��zPrivateKeyInfo.__setitem__c C s t d��dS )z� Unwraps the private key into an RSAPrivateKey, DSAPrivateKey or ECPrivateKey object :return: An RSAPrivateKey, DSAPrivateKey or ECPrivateKey object zxasn1crypto.keys.PrivateKeyInfo().unwrap() has been removed, please use oscrypto.asymmetric.PrivateKey().unwrap() insteadN�r r� r, r, r- r 3 s �zPrivateKeyInfo.unwrapc C sP | j dkr ttd| j �� ���| d d }|j}|jdkr@d}n|j}|j|fS )�# Returns information about the curve used for an EC key :raises: ValueError - when the key is not an EC key :return: A two-element tuple, with the first element being a unicode string of "implicit_ca", "specified" or "named". If the first element is "implicit_ca", the second is None. If "specified", the second is an OrderedDict that is the native version of SpecifiedECDomain. If "named", the second is a unicode string of the curve name. r� �K Only EC keys have a curve, this key is %s r� rk r� N�r� rS r �upperr� r� rP �rT r� r� r� r, r, r- ru @ s � zPrivateKeyInfo.curvec C sL | j dkr ttd| j �� ���t�| d d d jd�d }|dkrHd S d S ) z� Returns the name of the family of hash algorithms used to generate a DSA key :raises: ValueError - when the key is not a DSA key :return: A unicode string of "sha1" or "sha2" r� �t Only DSA keys are generated using a hash algorithm, this key is %s r� rk r; r@ � r� �sha1�sha2)r� rS r r� rE rG rP )rT �byte_lenr, r, r- � hash_algob s � zPrivateKeyInfo.hash_algoc C s | j du r| d d j| _ | j S )�] :return: A unicode string of "rsa", "rsassa_pss", "dsa" or "ec" Nr� r� �r� rP r� r, r, r- r� | s zPrivateKeyInfo.algorithmc C s� | j du r�| jdks | jdkr0| d jd j}n8| jdkrN| d d d j}n| jd krh| d jd j}tt�t�|d ���| _ | j d }|d kr�| j d | 7 _ | j S )zU :return: The bit size of the private key, as an integer Nr� r� r> r5 r� r� rk r: r� r@ r� r )� _bit_sizer� r� rP rD rE rF rG �rT r# r5 r, r, r- �bit_size� s zPrivateKeyInfo.bit_sizec C s t t�| jd ��S )zV :return: The byte size of the private key, as an integer r� �rD rE rF r� r� r, r, r- � byte_size� s zPrivateKeyInfo.byte_sizec C s t d��dS )z� :return: If an RSA key, an RSAPublicKey object. If a DSA key, an Integer object. If an EC key, an ECPointBitString object. z�asn1crypto.keys.PrivateKeyInfo().public_key has been removed, please use oscrypto.asymmetric.PrivateKey().public_key.unwrap() insteadNr� r� r, r, r- r= � s �zPrivateKeyInfo.public_keyc C s t d��dS )z\ :return: A PublicKeyInfo object derived from this private key. z�asn1crypto.keys.PrivateKeyInfo().public_key_info has been removed, please use oscrypto.asymmetric.PrivateKey().public_key.asn1 insteadNr� r� r, r, r- �public_key_info� s �z PrivateKeyInfo.public_key_infoc C s t d��dS )aY Creates a fingerprint that can be compared with a public key to see if the two form a pair. This fingerprint is not compatible with fingerprints generated by any other software. :return: A byte string that is a sha256 hash of selected components (based on the key type) z~asn1crypto.keys.PrivateKeyInfo().fingerprint has been removed, please use oscrypto.asymmetric.PrivateKey().fingerprint insteadNr� r� r, r, r- � fingerprint� s �zPrivateKeyInfo.fingerprint) r' r( r) r* r r� r r� r+ r� �_spec_callbacksr� r� r� � _fingerprintrX r� r� r r� ru r� r� r� r� r= r� r� r� r, r, r� r- r� � sB �� E ! r� c @ s e Zd ZdZdefdefgZdS )�EncryptedPrivateKeyInfoz< Source: https://tools.ietf.org/html/rfc5208#page-4 Zencryption_algorithmZencrypted_dataN)r' r( r) r* r r r+ r, r, r, r- r� � s �r� c @ s e Zd ZdZdefdefgZdS )�ValidationParms�= Source: https://tools.ietf.org/html/rfc3279#page-10 rs Z pgen_counterN)r' r( r) r* r r r+ r, r, r, r- r� � s �r� c @ s> e Zd ZdZdefdefdefdeddifdeddifgZd S ) �DomainParametersr� r: r< r; �jr7 TZvalidation_paramsN)r' r( r) r* r r� r+ r, r, r, r- r� � s �r� c @ s* e Zd ZdZdddddddd d d d � Zd S )�PublicKeyAlgorithmIdzM Original Name: None Source: https://tools.ietf.org/html/rfc3279 r� � rsaes_oaepr� r� r� �dhr� r� r� r� ) r� z1.2.840.113549.1.1.7r� r� r� z1.2.840.10046.2.1r� r� r� r� Nr1 r, r, r, r- r� � s �r� c @ s: e Zd ZdZdefdeddifgZdZee e e e d�Z dS ) �PublicKeyAlgorithmzd Original Name: AlgorithmIdentifier Source: https://tools.ietf.org/html/rfc5280#page-18 r� rk r7 Tr� )r� r� r� r� r� N)r' r( r) r* r� r r+ rl r� r� r� r r rm r, r, r, r- r� s ��r� c @ s� e Zd ZdZdefdefgZdd� ZdeiZdZ dZ dZ dZ dZ edd� �Zd d � Zed d � �Zed d� �Zedd� �Zedd� �Zedd� �Zedd� �Zedd� �Zedd� �ZdS )� PublicKeyInfoze Original Name: SubjectPublicKeyInfo Source: https://tools.ietf.org/html/rfc5280#page-17 r� r= c C s@ | d d j }tttttd fttd ftd ftd ftd fd� | S )Nr� ) r� r� r� r� r� r� r� r� r� r� )rP r8 r r[ r r� r, r, r- �_public_key_spec/ s ��z PublicKeyInfo._public_key_specNc C s� t |t�s&t |t�s&ttdt|����|dkrH|dkrHttdt|����t� }t |�|d< t � |d< | � }||d< t |t�r�|� � � � }t |�|d< |S )a Wraps a public key in a PublicKeyInfo structure :param public_key: A byte string or Asn1Value object of the public key :param algorithm: A unicode string of "rsa" :return: A PublicKeyInfo object zW public_key must be a byte string or Asn1Value, not %s r� r� z> algorithm must "rsa", not %s r� rk r= )r� r r r� r r rS r� r� r� r Zuntag�dumpr )rI r= r� �algor� r, r, r- r� L s& �� zPublicKeyInfo.wrapc C s t d��dS )z� Unwraps an RSA public key into an RSAPublicKey object. Does not support DSA or EC public keys since they do not have an unwrapped form. :return: An RSAPublicKey object zvasn1crypto.keys.PublicKeyInfo().unwrap() has been removed, please use oscrypto.asymmetric.PublicKey().unwrap() insteadNr� r� r, r, r- r w s �zPublicKeyInfo.unwrapc C sP | j dkr ttd| j �� ���| d d }|j}|jdkr@d}n|j}|j|fS )r� r� r� r� rk r� Nr� r� r, r, r- ru � s � zPublicKeyInfo.curvec C s^ | j dkr ttd| j �� ���| d d }|jdu r8dS t�|d jd�d }|d krZd S d S ) a# Returns the name of the family of hash algorithms used to generate a DSA key :raises: ValueError - when the key is not a DSA key :return: A unicode string of "sha1" or "sha2" or None if no parameters are present r� r� r� rk Nr; r@ r� r� r� r� )r� rS r r� rP rE rG )rT rk r� r, r, r- r� � s � zPublicKeyInfo.hash_algoc C s | j du r| d d j| _ | j S )r� Nr� r� r� r, r, r- r� � s zPublicKeyInfo.algorithmc C s� | j du r�| jdkr6tt| d j�d d d �| _ n~| jdksJ| jdkr\| d jd j}n | jd krx| d d d j}tt�t�|d���| _ | j d }|dkr�| j d| 7 _ | j S )zT :return: The bit size of the public key, as an integer Nr� r= r r@ r� r� r� r5 r� r� rk r: r ) r� r� rD rQ rP r� rE rF rG r� r, r, r- r� � s " zPublicKeyInfo.bit_sizec C s t t�| jd ��S )zU :return: The byte size of the public key, as an integer r� r� r� r, r, r- r� � s zPublicKeyInfo.byte_sizec C s( | j du r"t�t| d ���� | _ | j S )ze :return: The SHA1 hash of the DER-encoded bytes of this public key info Nr= )�_sha1�hashlibr� r �digestr� r, r, r- r� � s zPublicKeyInfo.sha1c C s( | j du r"t�t| d ���� | _ | j S )zh :return: The SHA-256 hash of the DER-encoded bytes of this public key info Nr= )�_sha256r� �sha256r r� r� r, r, r- r � s zPublicKeyInfo.sha256c C s t d��dS )aZ Creates a fingerprint that can be compared with a private key to see if the two form a pair. This fingerprint is not compatible with fingerprints generated by any other software. :return: A byte string that is a sha256 hash of selected components (based on the key type) z|asn1crypto.keys.PublicKeyInfo().fingerprint has been removed, please use oscrypto.asymmetric.PublicKey().fingerprint insteadNr� r� r, r, r- r� s �zPublicKeyInfo.fingerprint)r' r( r) r* r� r r+ r� r� r� r� r� r� r� rX r� r r� ru r� r� r� r� r� r r� r, r, r, r- r� $ s> �� * ! r� )Hr* � __future__r r r r r� rE �_errorsr r �_typesr r Zalgosr r r r r �corer r r r r r r r r r r r r r r �utilr r r! r. r0 r3 r8 r9 r? rY r[ r\ r_ rb rf rh rn rp rt ry r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r, r, r, r- �<module> sX D F C% 7