Secure transfer of seismic data from one site to another

摘要

The data are sent in coded form from the second site into a first computer at the first site; the data are selected at a second computer on the first site, allowing for communication link bias; authorization is sent from the second computer at the second site and a decoding key is received by the second computer from the second site in response The key is sent from the second to the first computer and applied to the selected data. The first computer is a workstation and the second is a personal computer. The data is held in the memory of a portable disk system. The communication link is the Internet or a telephone line. The decoding key is sent on a diskette. A third computer can assist with allowing for communication link bias, with this third computer being a geography information system interface