def encrypt_message(plaintext, publickey):
# encrypt the message
# privateKey is a elgamal object
# return elgamal.encrypt(publicKey, plaintext)
cypher_int = encrypt(publickey, plaintext)
cypher_compressed = '|'.join(key_compress(int(n)) for n in cypher_int.strip(' ').split(' '))
return cypher_compressed
def test_compress_expand(self):
# round trip compress, decompress public key
n = random.getrandbits(300)
short = key_compress(n)
backagain = key_expand(short)
# nlen = len(str(n))
# print (nlen, len(short), float(len(short))/nlen)
assert n == backagain, (n, short)
