def main(): groupObj = ECGroup(prime192v1) pkenc = CS98(groupObj) hyenc = HybridEnc(pkenc) (pk, sk) = hyenc.keygen() m = b'this is a new message' cipher = hyenc.encrypt(pk, m) orig_m = hyenc.decrypt(pk, sk, cipher) assert m == orig_m, "Failed Decryption" if debug: print("Successful Decryption!!")
def testEC_CS98(self): groupObj = ECGroup(prime192v1) pkenc = CS98(groupObj) (pk, sk) = pkenc.keygen() # message len should be group.bitsize() len for prime192v1 (or 20 bytes) M = b'the hello world msg1' ciphertext = pkenc.encrypt(pk, M) message = pkenc.decrypt(pk, sk, ciphertext) assert M == message, "Failed Decryption!!!" if debug: print("SUCCESSFUL DECRYPTION!!! => %s" % message)
def testEC_CS98(self): groupObj = ECGroup(prime192v1) pkenc = CS98(groupObj) (pk, sk) = pkenc.keygen() M = b"hello world!!!" ciphertext = pkenc.encrypt(pk, M) message = pkenc.decrypt(pk, sk, ciphertext) assert M == message, "Failed Decryption!!!" if debug: print("SUCCESSFUL DECRYPTION!!! => %s" % message)
def testCS98(self): p = integer( 156053402631691285300957066846581395905893621007563090607988086498527791650834395958624527746916581251903190331297268907675919283232442999706619659475326192111220545726433895802392432934926242553363253333261282122117343404703514696108330984423475697798156574052962658373571332699002716083130212467463571362679 ) q = integer( 78026701315845642650478533423290697952946810503781545303994043249263895825417197979312263873458290625951595165648634453837959641616221499853309829737663096055610272863216947901196216467463121276681626666630641061058671702351757348054165492211737848899078287026481329186785666349501358041565106233731785681339 ) groupObj = IntegerGroup() pkenc = CS98(groupObj, p, q) (pk, sk) = pkenc.keygen(1024) M = b"hello world. test message" ciphertext = pkenc.encrypt(pk, M) message = pkenc.decrypt(pk, sk, ciphertext) assert M == message, "UNSUCCESSFUL!!!! :-( why?" if debug: print("SUCCESSFULLY RECOVERED => %s" % message)
from pre_mg07a_jet import PreGA from ible import ible ################################################### debug = True # Message size := secparam / 8 (byte) #group = PairingGroup('SS512', secparam=1024) group = PairingGroup('SS512') groupcs98 = ECGroup(prime192v2) pkenc = CS98(groupcs98) # Create pre cipher: __init__ pre = PreGA(group, pkenc) # PRE SETUP (msk, params) = pre.setup() # Extarct the Sym key: bytes #SymKey = extract_key(group.random(GT)) k = 'k' * 16 # 128 bits SymKey = k.encode('utf-8') # ID ID = "*****@*****.**"