o bG/@sddlZddlZddlmZddlmZmZddlmZddl m Z m Z ddl m Z mZddlmZddlmZmZmZGd d d ejd ZeZGd d d ejd ZeZ d4dededeje defddZdededdfddZdededededededededdfddZded eddfd!d"Z ded#edefd$d%Z!dededefd&d'Z"dededefd(d)Z#dededefd*d+Z$d,Z%d eded-edej&eeffd.d/Z'Gd0d1d1e(Z)Gd2d3d3e(Z*dS)5N)gcd)UnsupportedAlgorithm_Reasons) _get_backend)Backend RSABackend)_serializationhashes)AsymmetricPadding)AsymmetricSignatureContextAsymmetricVerificationContextutilsc @seZdZejdedejdefddZ ejde dede fddZ ej de fd d Zejdd d Zejde dedejejejfde fddZejdddZejdejdejdejde fddZdS) RSAPrivateKeypadding algorithmreturncCdS)zN Returns an AsymmetricSignatureContext used for signing data. N)selfrrrrl/var/www/secure340b-portal/env/lib/python3.10/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.pysignerzRSAPrivateKey.signer ciphertextcCr)z3 Decrypts the provided ciphertext. Nr)rrrrrrdecryptrzRSAPrivateKey.decryptcCrz7 The bit length of the public modulus. Nrrrrrkey_size%rzRSAPrivateKey.key_size RSAPublicKeycCr)zD The RSAPublicKey associated with this private key. Nrrrrr public_key+rzRSAPrivateKey.public_keydatacCr)z! Signs the data. Nr)rrrrrrrsign1rzRSAPrivateKey.signRSAPrivateNumberscCr)z/ Returns an RSAPrivateNumbers. Nrrrrrprivate_numbers<rzRSAPrivateKey.private_numbersencodingformatencryption_algorithmcCrz6 Returns the key serialized as bytes. Nr)rr#r$r%rrr private_bytesBrzRSAPrivateKey.private_bytesN)rr)rr!)__name__ __module__ __qualname__abcabstractmethodr r HashAlgorithmr rbytesrabstractpropertyintrrtypingUnion asym_utils Prehashedr r"rEncodingZ PrivateFormatZKeySerializationEncryptionr'rrrrrsJ    r) metaclassc @seZdZejdededejde fddZ ejdededefdd Z ej de fd d Zejdd dZejdejdejdefddZejdedededejejejfddf ddZejdededejejdefddZdS)r signaturerrrcCr)zY Returns an AsymmetricVerificationContext used for verifying signatures. Nrrr7rrrrrverifierRrzRSAPublicKey.verifier plaintextcCr)z/ Encrypts the given plaintext. Nr)rr:rrrrencrypt]rzRSAPublicKey.encryptcCrrrrrrrrcrzRSAPublicKey.key_sizeRSAPublicNumberscCr)z- Returns an RSAPublicNumbers Nrrrrrpublic_numbersirzRSAPublicKey.public_numbersr#r$cCrr&r)rr#r$rrr public_bytesorzRSAPublicKey.public_bytesrNcCr)z5 Verifies the signature of the data. Nr)rr7rrrrrrverifyyrzRSAPublicKey.verifycCr)z@ Recovers the original data from the signature. Nrr8rrrrecover_data_from_signaturerz(RSAPublicKey.recover_data_from_signature)rr<)r(r)r*r+r,r.r r r-r r9r;r/r0rr=rr5Z PublicFormatr>r1r2r3r4r?Optionalr@rrrrrQs^        rpublic_exponentrbackendrcCs4t|}t|tstdtjt|||||S)Nz-Backend object does not implement RSABackend.)r isinstancerrrZBACKEND_MISSING_INTERFACE_verify_rsa_parametersZgenerate_rsa_private_key)rBrrCrrrgenerate_private_keys   rFcCs$|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 512-bits. ValueError)rBrrrrrEsrEpqprivate_exponentdmp1dmq1iqmpmoduluscCs|dkrtd||krtd||krtd||kr td||kr(td||kr0td||kr8td|dks@||krDtd |d @d krNtd |d @d krXtd |d @d krbtd|||krltddS)NrGzmodulus 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.rzpublic_exponent must be odd.zdmp1 must be odd.zdmq1 must be odd.zp*q must equal modulus.rH)rJrKrLrMrNrOrBrPrrr_check_private_key_componentss2     rRencCs@|dkrtd|dks||krtd|d@dkrtddS)NrGzn must be >= 3.ze must be >= 3 and < n.rQrze must be odd.rH)rSrTrrr_check_public_key_componentss rUmc CsXd\}}||}}|dkr(t||\}}|||}||||f\}}}}|dks ||S)zO Modular Multiplicative Inverse. Returns x such that: (x*e) mod m == 1 )rQrr)divmod) rSrVx1Zx2abrKrZxnrrr_modinvs  r\cCs t||S)zF Compute the CRT (q ** -1) % p value from RSA primes p and q. )r\)rJrKrrr rsa_crt_iqmps r]cC ||dS)zg Compute the CRT private_exponent % (p - 1) value from the RSA private_exponent (d) and p. rQr)rLrJrrr rsa_crt_dmp1 r_cCr^)zg Compute the CRT private_exponent % (q - 1) value from the RSA private_exponent (d) and q. rQr)rLrKrrr rsa_crt_dmq1r`raidc 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. rQrFTz2Unable to compute factors p and q from exponent d.)reverse)_MAX_RECOVERY_ATTEMPTSpowrrIrWsorted) rTrSrbZktottZspottedrYkcandrJrKr[rrrrsa_recover_prime_factorss2     $  rkc@seZdZdededededededdfd d Zed d Zed d Zedd Zedd Z edd Z edd Z edd Z dde jedefddZddZddZddZdS)r!rJrKrbrMrNrOr=r<cCst|trt|trt|trt|trt|trt|ts"tdt|ts+td||_||_||_||_||_||_ ||_ dS)NzNRSAPrivateNumbers p, q, d, dmp1, dmq1, iqmp arguments must all be an integers.zFRSAPrivateNumbers public_numbers must be an RSAPublicNumbers instance.) rDr0 TypeErrorr<_p_q_d_dmp1_dmq1_iqmp_public_numbers)rrJrKrbrMrNrOr=rrr__init__As4   zRSAPrivateNumbers.__init__cC|jSN)rmrrrrfzRSAPrivateNumbers.cCrurv)rnrrrrrwgrxcCrurv)rorrrrrwhrxcCrurv)rprrrrrwirxcCrurv)rqrrrrrwjrxcCrurv)rrrrrrrwkrxcCrurv)rsrrrrrwlrxNrCrcCt|}||Srv)rZload_rsa_private_numbersrrCrrr private_keyn zRSAPrivateNumbers.private_keycCsbt|tstS|j|jko0|j|jko0|j|jko0|j|jko0|j|jko0|j|jko0|j |j kSrv) rDr!NotImplementedrJrKrbrMrNrOr=rotherrrr__eq__ts        zRSAPrivateNumbers.__eq__cC ||k Srvrr~rrr__ne__ zRSAPrivateNumbers.__ne__cCs$t|j|j|j|j|j|j|jfSrv)hashrJrKrbrMrNrOr=rrrr__hash__szRSAPrivateNumbers.__hash__rv)r(r)r*r0rtpropertyrJrKrbrMrNrOr=r1rArrr{rrrrrrrr!@s@ %        r!c@sreZdZdedefddZeddZeddZ dd ej e d e fd d Z d dZ ddZddZddZdS)r<rSrTcCs,t|tr t|tstd||_||_dS)Nz,RSAPublicNumbers arguments must be integers.)rDr0rl_e_n)rrSrTrrrrts zRSAPublicNumbers.__init__cCrurv)rrrrrrwrxzRSAPublicNumbers.cCrurv)rrrrrrwrxNrCrcCryrv)rZload_rsa_public_numbersrzrrrrr|zRSAPublicNumbers.public_keycCs d|S)Nz$)r$rrrr__repr__rzRSAPublicNumbers.__repr__cCs&t|tstS|j|jko|j|jkSrv)rDr<r}rSrTr~rrrrs zRSAPublicNumbers.__eq__cCrrvrr~rrrrrzRSAPublicNumbers.__ne__cCst|j|jfSrv)rrSrTrrrrrszRSAPublicNumbers.__hash__rv)r(r)r*r0rtrrSrTr1rArrrrrrrrrrrr<s    r<rv)+r+r1mathrZcryptography.exceptionsrrZcryptography.hazmat.backendsrZ'cryptography.hazmat.backends.interfacesrrZcryptography.hazmat.primitivesrr Z*cryptography.hazmat.primitives._asymmetricr Z)cryptography.hazmat.primitives.asymmetricr r r r3ABCMetarZRSAPrivateKeyWithSerializationrZRSAPublicKeyWithSerializationr0rArFrErRrUr\r]r_rareTuplerkobjectr!r<rrrrsx   8@   /     -S