charm-crypto

I need help to convert the list representation (string) of elliptic curve pairing group element back to an object. Explanation: I am using charm crypto v0.43 to use CPABE scheme in my web application. I need to store the pairing element that is generated into my database. When I did that, it is storing it as list. I need to map it back to pairing group element object. Convert: [771281202364725359015275543519860265278248937600027018972741977722880288402810467924555583431036045929994018001453439703799448692568829067937466068366897,

I want to store the ciphertext encrypted by hybrid cpabe_BSW07 in files, but I found errors when pickling the ciphertext: raise TypeError, "can't pickle %s objects" % base.__name__ TypeError: can't pickle Element objects from charm.toolbox.pairinggroup import PairingGroup from charm.schemes.abenc.abenc_bsw07 import CPabe_BSW07 from charm.adapters.abenc_adapt_hybrid import HybridABEnc import pickle if __name__ == "__main__": groupObj = PairingGroup('SS512') cpabe = CPabe_BSW07(groupObj) hyb_abe = HybridABEnc(cpabe, groupObj) (pk, mk) = hyb_abe.setup() access_policy = '((four or three) and (two