o Df@sddlmZddlZddlZddlmZddlmZddl m Z m Z ddl m Z ddlmZGdd d ejd ZeZeejjGd d d ejd ZeZeejjejjZejjZ d-d.ddZd/ddZd0ddZd1ddZd2d!d"Zd3d#d$Zd4d%d&Z d'Z!d5d+d,Z"dS)6) annotationsN)gcd)openssl)_serializationhashes)AsymmetricPadding)utilsc@speZdZejdddZeejd d d Zejd!d d Zejd"ddZ ejd#ddZ ejd$ddZ dS)% RSAPrivateKey ciphertextbytespaddingrreturncCdS)z3 Decrypts the provided ciphertext. N)selfr r rrf/home/ubuntu/webapp/venv/lib/python3.10/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.pydecryptzRSAPrivateKey.decryptintcCrz7 The bit length of the public modulus. Nrrrrrkey_sizerzRSAPrivateKey.key_size RSAPublicKeycCr)zD The RSAPublicKey associated with this private key. Nrrrrr public_keyrzRSAPrivateKey.public_keydata algorithm+asym_utils.Prehashed | hashes.HashAlgorithmcCr)z! Signs the data. Nr)rrr rrrrsign%rzRSAPrivateKey.signRSAPrivateNumberscCr)z/ Returns an RSAPrivateNumbers. Nrrrrrprivate_numbers0rzRSAPrivateKey.private_numbersencoding_serialization.Encodingformat_serialization.PrivateFormatencryption_algorithm)_serialization.KeySerializationEncryptioncCrz6 Returns the key serialized as bytes. Nr)rr r"r$rrr private_bytes6rzRSAPrivateKey.private_bytesN)r r r rr r r r)r r)rr r rrrr r )r r)r r!r"r#r$r%r r ) __name__ __module__ __qualname__abcabstractmethodrpropertyrrrrr'rrrrr s    r ) metaclassc@seZdZejd$ddZeejd%d d Zejd&d d Zejd'ddZ ejd(ddZ ejd)ddZ ejd*d!d"Z d#S)+r plaintextr r rr cCr)z/ Encrypts the given plaintext. Nr)rr0r rrrencryptGrzRSAPublicKey.encryptrcCrrrrrrrrMrzRSAPublicKey.key_sizeRSAPublicNumberscCr)z- Returns an RSAPublicNumbers Nrrrrrpublic_numbersTrzRSAPublicKey.public_numbersr r!r"_serialization.PublicFormatcCrr&r)rr r"rrr public_bytesZrzRSAPublicKey.public_bytes signaturerrrNonecCr)z5 Verifies the signature of the data. Nr)rr6rr rrrrverifydrzRSAPublicKey.verifyhashes.HashAlgorithm | NonecCr)z@ Recovers the original data from the signature. Nr)rr6r rrrrrecover_data_from_signatureprz(RSAPublicKey.recover_data_from_signatureotherobjectboolcCr)z" Checks equality. Nr)rr;rrr__eq__{rzRSAPublicKey.__eq__N)r0r r rr r r()r r2)r r!r"r4r r ) r6r rr r rrrr r7)r6r r rrr9r r )r;r<r r=) r)r*r+r,r-r1r.rr3r5r8r:r>rrrrrFs       rpublic_exponentrrbackend typing.Anyr cCst||tj||SN)_verify_rsa_parameters rust_opensslrsagenerate_private_key)r?rr@rrrrFs rFr7cCs$|dvrtd|dkrtddS)N)izopublic_exponent must be either 3 (for legacy compatibility) or 65537. Almost everyone should choose 65537 here!iz$key_size must be at least 1024-bits.) ValueError)r?rrrrrCsrCemc CsXd\}}||}}|dkr(t||\}}|||}||||f\}}}}|dks ||S)zO Modular Multiplicative Inverse. Returns x such that: (x*e) mod m == 1 )rr)divmod) rIrJx1x2abqrxnrrr_modinvs  rTprQcCs t||S)zF Compute the CRT (q ** -1) % p value from RSA primes p and q. )rT)rUrQrrr rsa_crt_iqmps rVprivate_exponentcC ||dS)zg Compute the CRT private_exponent % (p - 1) value from the RSA private_exponent (d) and p. rKr)rWrUrrr rsa_crt_dmp1 rYcCrX)zg Compute the CRT private_exponent % (q - 1) value from the RSA private_exponent (d) and q. rKr)rWrQrrr rsa_crt_dmq1rZr[cCs,|d|dt|d|d}t||S)z Compute the RSA private_exponent (d) given the public exponent (e) and the RSA primes p and q. This uses the Carmichael totient function to generate the smallest possible working value of the private exponent. rK)rrT)rIrUrQlambda_nrrrrsa_recover_private_exponents" r]indtuple[int, int]c 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. rKrFTz2Unable to compute factors p and q from exponent d.)reverse)_MAX_RECOVERY_ATTEMPTSpowrrHrLsorted) r^rIr_ktottspottedrOkcandrUrQrRrrrrsa_recover_prime_factorss2     $  rkrB)r?rrrr@rAr r )r?rrrr r7)rIrrJrr r)rUrrQrr r)rWrrUrr r)rWrrQrr r)rIrrUrrQrr r)r^rrIrr_rr r`)# __future__rr,typingmathr"cryptography.hazmat.bindings._rustrrDcryptography.hazmat.primitivesrr*cryptography.hazmat.primitives._asymmetricr)cryptography.hazmat.primitives.asymmetricr asym_utilsABCMetar RSAPrivateKeyWithSerializationregisterrErRSAPublicKeyWithSerializationrr2rFrCrTrVrYr[r]rcrkrrrrs4     1<