INNER CODE UNIT · Python

encrypt_chacha

polhenarejos/pico-hsm · tools/pico-hsm-tool.py:312

    def encrypt_chacha(self, data):
        chacha = ChaCha20Poly1305(self.__key_enc)
        ct = chacha.encrypt(self.__iv, data, self.__pb)
        return ct

    def unlock_device(self):
        ct = self.get_skey()
        self.picohsm.send(cla=0x80, command=0x64, p1=0x3A, p2=0x03, data=list(ct))

    def _get_key_device(self):
        if (platform.system() == 'Windows' or platform.system() == 'Linux'):
            from secure_key import windows as skey
        elif (platform.system() == 'Darwin'):
            from secure_key import macos as skey
        else:
            print('ERROR: platform not supported')
            sys.exit(-1)
        return skey.get_secure_key()

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