Submit
Path:
~
/
/
opt
/
alt
/
python37
/
lib64
/
python3.7
/
site-packages
/
cryptography
/
hazmat
/
backends
/
openssl
/
__pycache__
/
File Content:
rsa.cpython-37.pyc
B \��`�F � @ sL d dl mZmZmZ d dlZd dlmZ d dlmZm Z m Z d dl m Z m Z mZ d dlmZ d dlmZmZmZ d dlmZmZmZmZmZmZ d d l m Z m Z d d � Z d d � Z dd� Z!dd� Z"dd� Z#dd� Z$dd� Z%dd� Z&e�'e�G dd� de(��Z)e�'e�G d d � d e(��Z*e�'e �G d d � d e(��Z+e�'e �G d d!� d!e(��Z,dS )"� )�absolute_import�division�print_functionN)�utils)�InvalidSignature�UnsupportedAlgorithm�_Reasons)� _calculate_digest_and_algorithm�_check_not_prehashed� _warn_sign_verify_deprecated)�hashes)�AsymmetricSignatureContext� AsymmetricVerificationContext�rsa)�AsymmetricPadding�MGF1�OAEP�PKCS1v15�PSS� calculate_max_pss_salt_length)� RSAPrivateKeyWithSerialization� RSAPublicKeyWithSerializationc C s, | j }|tjks|tjkr$t||�S |S d S )N)Z _salt_lengthr Z MAX_LENGTHr r )Zpss�keyZhash_algorithmZsalt� r �[/opt/alt/python37/lib64/python3.7/site-packages/cryptography/hazmat/backends/openssl/rsa.py�_get_rsa_pss_salt_length s r c C s� t |t�std��t |t�r&| jj}nVt |t�rh| jj}t |jt �sPt dt j ��| � |�s|t dt j��nt d�|j�t j��t| ||||�S )Nz1Padding must be an instance of AsymmetricPadding.z'Only MGF1 is supported by this backend.zPThis combination of padding and hash algorithm is not supported by this backend.z%{0} is not supported by this backend.)� isinstancer � TypeErrorr �_lib�RSA_PKCS1_PADDINGr ZRSA_PKCS1_OAEP_PADDING�_mgfr r r �UNSUPPORTED_MGFZrsa_padding_supported�UNSUPPORTED_PADDING�format�name�_enc_dec_rsa_pkey_ctx)�backendr �data�padding� padding_enumr r r � _enc_dec_rsa& s& r* c C s6 t |t�r | jj}| jj}n| jj}| jj}| j�|j| j j �}| � || j j k� | j � || jj �}||�}| � |dk� | j�||�}| � |dk� | j�|j�} | � | dk� t |t��rR| jj�rR| j�|jjj�d��} | � | | j j k� | j�|| �}| � |dk� | j�|jj�d��} | � | | j j k� | j�|| �}| � |dk� t |t��r�|jd k �r�t|j�dk�r�| j�t|j��} | � | | j j k� | j � | |jt|j�� | j� || t|j��}| � |dk� | j � d| �} | j � d| �}|||| |t|��}|dk�r t | |� | j � |�d | d � S )N� r �asciizsize_t *zunsigned char[])!r � _RSAPublicKeyr ZEVP_PKEY_encrypt_initZEVP_PKEY_encryptZEVP_PKEY_decrypt_initZEVP_PKEY_decrypt�EVP_PKEY_CTX_new� _evp_pkey�_ffi�NULL�openssl_assert�gc�EVP_PKEY_CTX_free� EVP_PKEY_CTX_set_rsa_padding� EVP_PKEY_sizer Z Cryptography_HAS_RSA_OAEP_MD�EVP_get_digestbynamer � _algorithmr$ �encode� EVP_PKEY_CTX_set_rsa_mgf1_mdZ EVP_PKEY_CTX_set_rsa_oaep_mdZ_label�lenZOPENSSL_mallocZmemmoveZ EVP_PKEY_CTX_set0_rsa_oaep_label�new�_handle_rsa_enc_dec_error�buffer)r& r r' r) r( ZinitZcrypt�pkey_ctx�resZbuf_size�mgf1_mdZoaep_mdZlabelptrZoutlen�bufr r r r% G sV r% c C s� | � � }| �|� |d j| jjks(t�t|t�rR|d j| jj ksHt�t d��nL| jj | jj | jj | jjg}| jjr�|�| jj� |d j|ks�t�t d��d S )Nr zGData too long for key size. Encrypt less data or use a larger key size.zDecryption failed.)�_consume_errorsr2 �libr � ERR_LIB_RSA�AssertionErrorr r- �reason�!RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE� ValueErrorZRSA_R_BLOCK_TYPE_IS_NOT_01ZRSA_R_BLOCK_TYPE_IS_NOT_02ZRSA_R_OAEP_DECODING_ERRORZ RSA_R_DATA_TOO_LARGE_FOR_MODULUSZ*Cryptography_HAS_RSA_R_PKCS_DECODING_ERROR�appendZRSA_R_PKCS_DECODING_ERROR)r& r �errorsZdecoding_errorsr r r r= � s r= c C s� t |t�std��| j�|j�}| �|dk� t |t�rB| jj}nZt |t �r�t |j t �sdt dt j��||j d dk r~td��| jj}nt d�|j�t j��|S )Nz'Expected provider of AsymmetricPadding.r z'Only MGF1 is supported by this backend.� zDDigest too large for key size. Use a larger key or different digest.z%{0} is not supported by this backend.)r r r r r6 r/ r2 r r r r r r r r! Z digest_sizerI ZRSA_PKCS1_PSS_PADDINGr# r$ r" )r& r r( � algorithmZ pkey_sizer) r r r �_rsa_sig_determine_padding� s$ rN c C s4 t | |||�}| j�|j�d��}| �|| jjk� | j�|j | jj�}| �|| jjk� | j� || jj �}||�} | �| dk� | j� ||�} | �| dk� | j� ||�} | �| dk� t|t��r0| j�|t|||��} | �| dk� | j�|jjj�d��} | �| | jjk� | j�|| �} | �| dk� |S )Nr, r+ r )rN r r7 r$ r9 r2 r0 r1 r. r/ r3 r4 Z EVP_PKEY_CTX_set_signature_mdr5 r r Z EVP_PKEY_CTX_set_rsa_pss_saltlenr r r8 r: ) r& r( rM r r' Z init_funcr) Zevp_mdr? r@ rA r r r �_rsa_sig_setup� s, rO c C s� t | ||||| jj�}| j�d�}| j�|| jj||t|��}| �|dk� | j�d|d �}| j�||||t|��}|dkr�| � � } | d j | jj ks�t �d } | d j | jjkr�d} n| d j | jjks�t �d} | d k s�t �t| ��| j�|�d d � S )Nzsize_t *r+ zunsigned char[]r z@Salt length too long for key size. Try using MAX_LENGTH instead.z0Digest too large for key size. Use a larger key.)rO r ZEVP_PKEY_sign_initr0 r< Z EVP_PKEY_signr1 r; r2 rC rD rE rF rG rH Z RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEYrI r> ) r& r( rM � private_keyr' r? Zbuflenr@ rB rK rG r r r � _rsa_sig_sign� s6 rQ c C sX t | ||||| jj�}| j�||t|�|t|��}| �|dk� |dkrT| �� t�d S )Nr )rO r ZEVP_PKEY_verify_initZEVP_PKEY_verifyr; r2 rC r )r& r( rM � public_key� signaturer' r? r@ r r r �_rsa_sig_verify� s rT c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�_RSASignatureContextc C s< || _ || _t||||� || _|| _t�| j| j �| _d S )N)�_backend� _private_keyrN �_paddingr8 r �Hash� _hash_ctx)�selfr& rP r( rM r r r �__init__ s z _RSASignatureContext.__init__c C s | j �|� d S )N)rZ �update)r[ r' r r r r] s z_RSASignatureContext.updatec C s t | j| j| j| j| j�� �S )N)rQ rV rX r8 rW rZ �finalize)r[ r r r r^ s z _RSASignatureContext.finalizeN)�__name__� __module__� __qualname__r\ r] r^ r r r r rU s rU c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�_RSAVerificationContextc C sF || _ || _|| _|| _t||||� |}|| _t�| j| j �| _d S )N) rV � _public_key� _signaturerX rN r8 r rY rZ )r[ r& rR rS r( rM r r r r\ , s z _RSAVerificationContext.__init__c C s | j �|� d S )N)rZ r] )r[ r' r r r r] : s z _RSAVerificationContext.updatec C s" t | j| j| j| j| j| j�� �S )N)rT rV rX r8 rc rd rZ r^ )r[ r r r �verify= s z _RSAVerificationContext.verifyN)r_ r` ra r\ r] re r r r r rb * s rb c @ sN e Zd Zdd� Ze�d�Zdd� Zdd� Zdd � Z d d � Z d d � Z dd� Z dS )�_RSAPrivateKeyc C st || _ || _|| _| j j�d�}| j j�| j|| j jj| j jj� | j �|d | j jjk� | j j� |d �| _ d S )Nz BIGNUM **r ) rV � _rsa_cdatar/ r0 r< r � RSA_get0_keyr1 r2 � BN_num_bits� _key_size)r[ r& � rsa_cdata�evp_pkey�nr r r r\ J s z_RSAPrivateKey.__init__rj c C s t � t|� t| j| ||�S )N)r r rU rV )r[ r( rM r r r �signerY s z_RSAPrivateKey.signerc C s8 t t�| jd ��}|t|�kr(td��t| j| ||�S )Ng @z,Ciphertext length must be equal to key size.)�int�mathZceil�key_sizer; rI r* rV )r[ Z ciphertextr( Zkey_size_bytesr r r �decrypt^ s z_RSAPrivateKey.decryptc C s| | j j�| j�}| j �|| j jjk� | j j�|| j jj�}| j j� || j jj�}| j �|dk� | j � |�}t | j ||�S )Nr+ ) rV r ZRSAPublicKey_duprg r2 r0 r1 r3 ZRSA_freeZRSA_blinding_onZ_rsa_cdata_to_evp_pkeyr- )r[ Zctxr@ rl r r r rR e s z_RSAPrivateKey.public_keyc C s | j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�| j|||� | j �|d | j jjk� | j �|d | j jjk� | j �|d | j jjk� | j j�| j||� | j �|d | j jjk� | j �|d | j jjk� | j j� | j|||� | j �|d | j jjk� | j �|d | j jjk� | j �|d | j jjk� t j | j � |d �| j � |d �| j � |d �| j � |d �| j � |d �| j � |d �t j | j � |d �| j � |d �d�d�S )Nz BIGNUM **r )�erm )�p�q�d�dmp1�dmq1�iqmp�public_numbers)rV r0 r< r rh rg r2 r1 ZRSA_get0_factorsZRSA_get0_crt_paramsr ZRSAPrivateNumbers� _bn_to_int�RSAPublicNumbers) r[ rm rs rv rt ru rw rx ry r r r �private_numbersn s< z _RSAPrivateKey.private_numbersc C s | j �|||| j| j�S )N)rV Z_private_key_bytesr/ rg )r[ �encodingr# Zencryption_algorithmr r r � private_bytes� s z _RSAPrivateKey.private_bytesc C s$ t | j||�\}}t| j||| |�S )N)r rV rQ )r[ r' r( rM r r r �sign� s z_RSAPrivateKey.signN) r_ r` ra r\ r �read_only_propertyrq rn rr rR r} r r� r r r r rf H s # rf c @ sF e Zd Zdd� Ze�d�Zdd� Zdd� Zdd � Z d d � Z d d � Z dS )r- c C st || _ || _|| _| j j�d�}| j j�| j|| j jj| j jj� | j �|d | j jjk� | j j� |d �| _ d S )Nz BIGNUM **r ) rV rg r/ r0 r< r rh r1 r2 ri rj )r[ r& rk rl rm r r r r\ � s z_RSAPublicKey.__init__rj c C s2 t � t|t�std��t|� t| j| |||�S )Nzsignature must be bytes.)r r �bytesr r rb rV )r[ rS r( rM r r r �verifier� s z_RSAPublicKey.verifierc C s t | j| ||�S )N)r* rV )r[ Z plaintextr( r r r �encrypt� s z_RSAPublicKey.encryptc C s� | j j�d�}| j j�d�}| j j�| j||| j jj� | j �|d | j jjk� | j �|d | j jjk� tj | j � |d �| j � |d �d�S )Nz BIGNUM **r )rs rm ) rV r0 r< r rh rg r1 r2 r r| r{ )r[ rm rs r r r rz � s z _RSAPublicKey.public_numbersc C s | j �||| | j| j�S )N)rV Z_public_key_bytesr/ rg )r[ r~ r# r r r � public_bytes� s z_RSAPublicKey.public_bytesc C s& t | j||�\}}t| j||| ||�S )N)r rV rT )r[ rS r' r( rM r r r re � s z_RSAPublicKey.verifyN) r_ r` ra r\ r r� rq r� r� rz r� re r r r r r- � s r- )-Z __future__r r r rp Z cryptographyr Zcryptography.exceptionsr r r Z*cryptography.hazmat.backends.openssl.utilsr r r Z cryptography.hazmat.primitivesr Z)cryptography.hazmat.primitives.asymmetricr r r Z1cryptography.hazmat.primitives.asymmetric.paddingr r r r r r Z-cryptography.hazmat.primitives.asymmetric.rsar r r r* r% r= rN rO rQ rT Zregister_interface�objectrU rb rf r- r r r r �<module> s0 !; # X
Submit
FILE
FOLDER
Name
Size
Permission
Action
__init__.cpython-37.opt-1.pyc
375 bytes
0644
__init__.cpython-37.pyc
375 bytes
0644
aead.cpython-37.opt-1.pyc
3677 bytes
0644
aead.cpython-37.pyc
3709 bytes
0644
backend.cpython-37.opt-1.pyc
51274 bytes
0644
backend.cpython-37.pyc
51682 bytes
0644
ciphers.cpython-37.opt-1.pyc
5385 bytes
0644
ciphers.cpython-37.pyc
5385 bytes
0644
cmac.cpython-37.opt-1.pyc
2610 bytes
0644
cmac.cpython-37.pyc
2610 bytes
0644
decode_asn1.cpython-37.opt-1.pyc
20778 bytes
0644
decode_asn1.cpython-37.pyc
20831 bytes
0644
dh.cpython-37.opt-1.pyc
8087 bytes
0644
dh.cpython-37.pyc
8087 bytes
0644
dsa.cpython-37.opt-1.pyc
8659 bytes
0644
dsa.cpython-37.pyc
8659 bytes
0644
ec.cpython-37.opt-1.pyc
9319 bytes
0644
ec.cpython-37.pyc
9319 bytes
0644
encode_asn1.cpython-37.opt-1.pyc
15254 bytes
0644
encode_asn1.cpython-37.pyc
15324 bytes
0644
hashes.cpython-37.opt-1.pyc
2266 bytes
0644
hashes.cpython-37.pyc
2266 bytes
0644
hmac.cpython-37.opt-1.pyc
2642 bytes
0644
hmac.cpython-37.pyc
2642 bytes
0644
rsa.cpython-37.opt-1.pyc
12478 bytes
0644
rsa.cpython-37.pyc
12710 bytes
0644
utils.cpython-37.opt-1.pyc
1439 bytes
0644
utils.cpython-37.pyc
1439 bytes
0644
x25519.cpython-37.opt-1.pyc
2734 bytes
0644
x25519.cpython-37.pyc
2734 bytes
0644
x509.cpython-37.opt-1.pyc
19081 bytes
0644
x509.cpython-37.pyc
19204 bytes
0644
N4ST4R_ID | Naxtarrr
