ó Õ{PXc@`s`ddlmZmZmZddlZddlZejejƒdefd„ƒYƒZ dS(i(tabsolute_importtdivisiontprint_functionNtKeyDerivationFunctioncB`s,eZejd„ƒZejd„ƒZRS(cC`sdS(so Deterministically generates and returns a new key based on the existing key material. N((tselft key_material((sO/usr/lib/python2.7/dist-packages/cryptography/hazmat/primitives/kdf/__init__.pytderivescC`sdS(sš Checks whether the key generated by the key material matches the expected derived key. Raises an exception if they do not match. N((RRt expected_key((sO/usr/lib/python2.7/dist-packages/cryptography/hazmat/primitives/kdf/__init__.pytverifys(t__name__t __module__tabctabstractmethodRR(((sO/usr/lib/python2.7/dist-packages/cryptography/hazmat/primitives/kdf/__init__.pyR s( t __future__RRRR tsixt add_metaclasstABCMetatobjectR(((sO/usr/lib/python2.7/dist-packages/cryptography/hazmat/primitives/kdf/__init__.pyts