o _i}@sRdZdededdfddZdeded edefd d Zd ed ed edefddZdS)z}Core mathematical operations. This is the actual core RSA implementation, which is only defined mathematically on integers. varnamereturnNcCs t|trdStd||jf)Nz%s should be an integer, not %s) isinstanceint TypeError __class__)rrrA/home/air/demo/back/venv/lib/python3.10/site-packages/rsa/core.py assert_ints r messageekeyncCsRt|dt|dt|d|dkrtd||kr#td||ft|||S)z@Encrypts a message using encryption key 'ekey', working modulo nr r r z'Only non-negative numbers are supportedz#The message %i is too long for n=%i)r ValueError OverflowErrorpow)r r r rrr encrypt_ints    r cyphertextdkeycCs.t|dt|dt|dt|||}|S)zHDecrypts a cypher text using the decryption key 'dkey', working modulo nrrr )r r)rrr r rrr decrypt_int-s    r)__doc__rstrr rrrrrr s