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Offline data authentication is a cryptographic check to validate the card using public-key cryptography. There are three different processes that can be undertaken depending on the card: [citation needed] Static data authentication (SDA) ensures data read from the card has been signed by the card issuer. This prevents modification of data, but ...
Diablo Data Systems was a division of Xerox created by the acquisition of Diablo Systems Inc. for US$29 million in 1972, [1] [2] a company that had been founded in 1969 by George E. Comstock, Charles L. Waggoner and others. [3] [4] The company was the first to release a daisy wheel printer, in 1970. Metal Daisy Wheel for Xerox & Diablo printers
The Diablo 630 is a discontinued daisy wheel style computer printer sold by the Diablo Data Systems division of the Xerox Corporation beginning in 1980. [1] [2] The printer is capable of letter-quality printing; that is, its print quality is equivalent to the quality of an IBM Selectric typewriter or printer, the de facto quality standard of ...
In the mid-1980s, a need arose for a standardized, vendor-neutral certification program that provided structure and demonstrated competence. In November 1988, the Special Interest Group for Computer Security (SIG-CS), a member of the Data Processing Management Association (), brought together several organizations interested in this goal.
The Simple Certificate Enrollment Protocol still is the most popular and widely available certificate enrollment protocol, being used by numerous manufacturers of network equipment and software who are developing simplified means of handling certificates for large-scale implementation to everyday users.
The Exxon printer division was Danbury Systems Division where 6 members were hired by Howtek, Inc, the company producing the Pixelmaster Solid ink Color printer. [3] Howtek was sued by Dataproducts over the use of hot-melt ink. This delayed shipment of the Howtek Pixelmaster for about 2 years or until 1986 and also increased the manufacturing ...