Method update

src/pyelliptic/cipher.py:55–62

(self, input)

        return OpenSSL.rand(cipher.get_blocksize())

    def update(self, input):
        i = OpenSSL.c_int(0)
        buffer = OpenSSL.malloc(b"", len(input) + self.cipher.get_blocksize())
        inp = OpenSSL.malloc(input, len(input))
        if OpenSSL.EVP_CipherUpdate(self.ctx, OpenSSL.byref(buffer),
                                    OpenSSL.byref(i), inp, len(input)) == 0:
            raise Exception("[OpenSSL] EVP_CipherUpdate FAIL ...")
        return buffer.raw[0:i.value]

    def final(self):
        i = OpenSSL.c_int(0)