| 摘要 |
<p>A device for use in securing and preserving evidence from computers and listening devices. The device includes a tamper proof unit accommodating date, time and device serial number identifying arrangements together with the private key of a Public Key encryption pair. The device being arranged in operation to produce a data file for recording on recording media having a header and an enciphered message. The enciphered message being the recorded message enciphered with the date, time and serial number of the device. The header containing the private key encrypted date, time and serial number used in the cipher process.</p> |
