o hM(@sDddlmZmZmZddlZzddlmZWney%ddlmZYnwddl Z ddl m Z ddl m Z mZddlmZe ejGdddeZe ejGd d d eZe ejGd d d eZeZd dZddZddZddZddZddZddZddZdZ ddZ!Gd d!d!eZ"Gd"d#d#eZ#dS)$)absolute_importdivisionprint_functionN)gcd)utils)UnsupportedAlgorithm_Reasons) RSABackendc@sReZdZejddZejddZejddZejddZ ejd d Z d S) RSAPrivateKeycCdS)zN Returns an AsymmetricSignatureContext used for signing data. N)selfpadding algorithmr r _/var/www/html/env/lib/python3.10/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.pysignerzRSAPrivateKey.signercCr )z3 Decrypts the provided ciphertext. Nr )r ciphertextrr r rdecryptrzRSAPrivateKey.decryptcCr z7 The bit length of the public modulus. Nr r r r rkey_size#rzRSAPrivateKey.key_sizecCr )zD The RSAPublicKey associated with this private key. Nr rr r r public_key)rzRSAPrivateKey.public_keycCr )z! Signs the data. Nr )r datarrr r rsign/rzRSAPrivateKey.signN) __name__ __module__ __qualname__abcabstractmethodrrabstractpropertyrrrr r r rr s    r c@s(eZdZejddZejddZdS)RSAPrivateKeyWithSerializationcCr )z/ Returns an RSAPrivateNumbers. Nr rr r rprivate_numbers8rz.RSAPrivateKeyWithSerialization.private_numberscCr z6 Returns the key serialized as bytes. Nr )r encodingformatencryption_algorithmr r r private_bytes>rz,RSAPrivateKeyWithSerialization.private_bytesN)rrrrrr"r'r r r rr!6s  r!c@s`eZdZejddZejddZejddZejddZ ejd d Z ejd d Z d S) RSAPublicKeycCr )zY Returns an AsymmetricVerificationContext used for verifying signatures. Nr )r signaturerrr r rverifierGrzRSAPublicKey.verifiercCr )z/ Encrypts the given plaintext. Nr )r plaintextrr r rencryptMrzRSAPublicKey.encryptcCr rr rr r rrSrzRSAPublicKey.key_sizecCr )z- Returns an RSAPublicNumbers Nr rr r rpublic_numbersYrzRSAPublicKey.public_numberscCr r#r )r r$r%r r r public_bytes_rzRSAPublicKey.public_bytescCr )z5 Verifies the signature of the data. Nr )r r)rrrr r rverifyerzRSAPublicKey.verifyN) rrrrrr*r,r rr-r.r/r r r rr(Es     r(cCs,t|ts tdtjt|||||S)Nz-Backend object does not implement RSABackend.) isinstancer rrBACKEND_MISSING_INTERFACE_verify_rsa_parametersgenerate_rsa_private_key)public_exponentrbackendr r rgenerate_private_keyos   r6cCs8|dkrtd|d@dkrtd|dkrtddS)Nzpublic_exponent must be >= 3.rpublic_exponent must be odd.iz#key_size must be at least 512-bits. ValueError)r4rr r rr2zs r2cCs|dkrtd||krtd||krtd||kr td||kr(td||kr0td||kr8td|dks@||krDtd |d @d krNtd |d @d krXtd |d @d krbtd|||krltddS)Nr7zmodulus must be >= 3.zp must be < modulus.zq must be < modulus.zdmp1 must be < modulus.zdmq1 must be < modulus.ziqmp must be < modulus.z#private_exponent must be < modulus.z+public_exponent must be >= 3 and < modulus.r8rr9zdmp1 must be odd.zdmq1 must be odd.zp*q must equal modulus.r:)pqprivate_exponentdmp1dmq1iqmpr4modulusr r r_check_private_key_componentss2    rCcCs@|dkrtd|dks||krtd|d@dkrtddS)Nr7zn must be >= 3.ze must be >= 3 and < n.r8rze must be odd.r:)enr r r_check_public_key_componentss rFc Csrd\}}}}||}}|dkr5t||\}} ||||||} } || ||| | f\}}}}}}|dks||S)zO Modular Multiplicative Inverse. Returns x such that: (x*e) mod m == 1 )r8rrr8r)divmod) rDmx1y1x2y2abr=rxnynr r r_modinvs  rRcCs t||S)zF Compute the CRT (q ** -1) % p value from RSA primes p and q. )rR)r<r=r r r rsa_crt_iqmps rScC ||dS)zg Compute the CRT private_exponent % (p - 1) value from the RSA private_exponent (d) and p. r8r )r>r<r r r rsa_crt_dmp1 rUcCrT)zg Compute the CRT private_exponent % (q - 1) value from the RSA private_exponent (d) and q. r8r )r>r=r r r rsa_crt_dmq1rVrWic Cs||d}|}|ddkr|d}|ddksd}d}|s\|tkr\|}||krRt|||}|dkrJ||dkrJt|d|dkrJt|d|} d}n|d9}||ks(|d7}|s\|tks"|sbtdt|| \} } | dksoJt| | fdd\} } | | fS)z Compute factors p and q from the private exponent d. We assume that n has no more than two factors. This function is adapted from code in PyCrypto. r8rFTz2Unable to compute factors p and q from exponent d.)reverse)_MAX_RECOVERY_ATTEMPTSpowrr;rGsorted) rErDdktottspottedrMkcandr<r=rOr r rrsa_recover_prime_factorss2     $  rcc@szeZdZddZedZedZedZedZ edZ edZ ed Z d d Z d d ZddZddZdS)RSAPrivateNumberscCst|tjr$t|tjr$t|tjr$t|tjr$t|tjr$t|tjs(tdt|ts1td||_||_||_||_||_ ||_ ||_ dS)NzNRSAPrivateNumbers p, q, d, dmp1, dmq1, iqmp arguments must all be an integers.zFRSAPrivateNumbers public_numbers must be an RSAPublicNumbers instance.) r0six integer_types TypeErrorRSAPublicNumbers_p_q_d_dmp1_dmq1_iqmp_public_numbers)r r<r=r]r?r@rAr-r r r__init__ s4        zRSAPrivateNumbers.__init__rirjrkrlrmrnrocC ||SN)load_rsa_private_numbersr r5r r r private_key2 zRSAPrivateNumbers.private_keycCsbt|tstS|j|jko0|j|jko0|j|jko0|j|jko0|j|jko0|j|jko0|j |j kSrr) r0rdNotImplementedr<r=r]r?r@rAr-r otherr r r__eq__5s        zRSAPrivateNumbers.__eq__cC ||k Srrr rxr r r__ne__CrvzRSAPrivateNumbers.__ne__cCs$t|j|j|j|j|j|j|jfSrr)hashr<r=r]r?r@rAr-rr r r__hash__FszRSAPrivateNumbers.__hash__N)rrrrprread_only_propertyr<r=r]r?r@rAr-rurzr|r~r r r rrd s        rdc@sPeZdZddZedZedZddZddZ d d Z d d Z d dZ dS)rhcCs0t|tjr t|tjstd||_||_dS)Nz,RSAPublicNumbers arguments must be integers.)r0rerfrg_e_n)r rDrEr r rrpSs   zRSAPublicNumbers.__init__rrcCrqrr)load_rsa_public_numbersrtr r rr`rvzRSAPublicNumbers.public_keycCs d|S)Nz$)r%rr r r__repr__crvzRSAPublicNumbers.__repr__cCs&t|tstS|j|jko|j|jkSrr)r0rhrwrDrErxr r rrzfs zRSAPublicNumbers.__eq__cCr{rrr rxr r rr|lrvzRSAPublicNumbers.__ne__cCst|j|jfSrr)r}rDrErr r rr~oszRSAPublicNumbers.__hash__N) rrrrprrrDrErrrzr|r~r r r rrhRs  rh)$ __future__rrrrmathr ImportError fractionsre cryptographyrcryptography.exceptionsrr'cryptography.hazmat.backends.interfacesr add_metaclassABCMetaobjectr r!r(RSAPublicKeyWithSerializationr6r2rCrFrRrSrUrWrZrcrdrhr r r rs<      &  '   +F