摘要:
An information processor has an information dispersing function, a dividing unit for dividing a first data (DT0) into n pieces of disperse information, and executing secret sharing scheme capable of restoring the first data (DT0) by using arbitrary k pieces (1
摘要:
The network relay device includes a central processing unit that includes a routing unit that executes routing of packets received from a network; a storage unit that concurrently with the routing stores packets in a predetermined storage means; and an analysis commencement means that sets the analysis commencement timing for commencement of analysis of whether packets stored in a storage means are unauthorized infiltration data and based on this timing, causes the commencement of analysis of packets stored in the storage means, the analysis to be made by an unauthorized infiltration analysis means for determining whether packets are unauthorized infiltration data.
摘要:
An illegal electronic mail is suppressed from being transmitted by a computer virus, using an electronic mail apparatus (1) having a mail checking part (5). The mail checking part (5) determines whether or not an electronic mail scheduled to be transmitted is an illegal one caused by a computer virus. The determination by the mail checking part (5) is performed by displaying the contents of the electronic mail on a display apparatus (11), and requesting the authentication of personal identification and the confirmation of whether or not a user intends to transmit the electronic mail, with respect to the user. In the case of having received a response to the effect that the user is identified, and a response to the effect that the electronic mail is intended to be transmitted from an input device by the user, from a personal identification authenticating part (6), the mail checking part (5) determines that the electronic mail is not an illegal one, and transmits the electronic mail.