Eh 6dZddlZddlZddlGddZy)z$Id$N)*c|eZdZdZdZdZdZdZdZdZ dZ d Z d Z d Z d Zd ZdZdZdZdZdZdZy)pubkeyzxAn abstract class for a public key object. :undocumented: __getstate__, __setstate__, __eq__, __ne__, validate cy)Nselfs X/var/www/html/bid_assistant/venv/lib/python3.12/site-packages/Crypto/PublicKey/pubkey.py__init__zpubkey.__init__&s c|j}|jD]%}|j|st||||<'|S)zTo keep key objects platform-independent, the key data is converted to standard Python long integers before being written out. It will then be reconverted as necessary on restoration.)__dict__keydatahas_keylongr dkeys r __getstate__zpubkey.__getstate__)s@ --<< 3Cyy~d1S6lqv 3r c|jD]/}|j|st|||j|<1y)zOn unpickling a key object, the key data is converted to the big number representation being used, whether that is Python long integers, MPZ objects, or whatever.N)rrbignumrrs r __setstate__zpubkey.__setstate__3s9<< ACyy~&3.t}}S1 Ar cd}t|tjr t|}d}t|tjr t|}|j ||}|rt t t|S|S)ajEncrypt a piece of data. :Parameter plaintext: The piece of data to encrypt. :Type plaintext: byte string or long :Parameter K: A random parameter required by some algorithms :Type K: byte string or long :Return: A tuple with two items. Each item is of the same type as the plaintext (string or long). r) isinstancetypes StringType bytes_to_long_encrypttuplemap long_to_bytes)r plaintextK wasString ciphertexts r encryptzpubkey.encrypt:sk i!1!1 2#I.I1 a)) *AA==A. U3}j#ABBr cd}t|tjs|f}t|dtjrt t t |}d}|j|}|r t|S|S)a.Decrypt a piece of data. :Parameter ciphertext: The piece of data to decrypt. :Type ciphertext: byte string, long or a 2-item tuple as returned by `encrypt` :Return: A byte string if ciphertext was a byte string or a tuple of byte strings. A long otherwise. rr) rr TupleTyperr r!r_decryptr")r r&r%r#s r decryptzpubkey.decryptOsh *eoo6"}J jmU%5%5 6S ;A a)) *mA.>Azz!Qr cpt|tjr t|}|j ||S)a>Verify the validity of a signature. :Parameter M: The expected message. :Type M: byte string or long :Parameter signature: The signature to verify. :Type signature: tuple with two items, as return by `sign` :Return: True if the signature is correct, False otherwise. )rrrr_verifyr r0 signatures r verifyz pubkey.verifyrs. a)) *mA.>A||Ay))r c8tjdty)Nz0validate() method name is obsolete; use verify())warningswarnDeprecationWarningr4s r validatezpubkey.validates H( *r cd}t|tjr t|}d}t|tjr t|}|j ||}|r t |S|S)a&Blind a message to prevent certain side-channel attacks. :Parameter M: The message to blind. :Type M: byte string or long :Parameter B: Blinding factor. :Type B: byte string or long :Return: A byte string if M was so. A long otherwise. rr)rrrr_blindr")r r0Br%blindedmessages r blindz pubkey.blindsc a)) *AA1 a)) *mA.>A{{1a( ]>::##r cd}t|tjr t|}d}t|tjr t|}|j ||}|r t |S|S)zUnblind a message after cryptographic processing. :Parameter M: The encoded message to unblind. :Type M: byte string or long :Parameter B: Blinding factor. :Type B: byte string or long rr)rrrr_unblindr")r r0r>r%unblindedmessages r unblindzpubkey.unblindse a)) *AA1 a)) *mA.>Aq!, ]+;<<%%r cy)a(Tell if the algorithm can deal with cryptographic signatures. This property concerns the *algorithm*, not the key itself. It may happen that this particular key object hasn't got the private information required to generate a signature. :Return: boolean rrrs r can_signzpubkey.can_signr cy)aTell if the algorithm can deal with data encryption. This property concerns the *algorithm*, not the key itself. It may happen that this particular key object hasn't got the private information required to decrypt data. :Return: boolean rrrs r can_encryptzpubkey.can_encryptrGr cy)aTell if the algorithm can deal with data blinding. This property concerns the *algorithm*, not the key itself. It may happen that this particular key object hasn't got the private information required carry out blinding. :Return: boolean rrrs r can_blindzpubkey.can_blindrGr cy)z_Tell the maximum number of bits that can be handled by this key. :Return: int rrrs r sizez pubkey.size r cy)zSTell if the key object contains private components. :Return: bool rrrs r r-zpubkey.has_privaterNr c|S)zkConstruct a new key carrying only the public information. :Return: A new `pubkey` object. rrs r publickeyzpubkey.publickeys  r cD|j|jk(S)zF__eq__(other): 0, 1 Compare us to other for equality. )rr others r __eq__z pubkey.__eq__s!  "e&8&8&:::r c&|j| S)zH__ne__(other): 0, 1 Compare us to other for inequality. )rUrSs r __ne__z pubkey.__ne__s;;u%%%r N)__name__ __module__ __qualname____doc__r rrr'r+r1r6r;r@rDrFrIrKrMr-rQrUrWrr r rr!sb A *$ " **$&&*   ; &r r) __revision__rr8Crypto.Util.numberrrr r r^s6  O&O&r