Method for allocating useful data to a specific originator

Details Method for allocating useful data to a specific originator Method for allocating useful data to a specific originator

1991-01-24

1993-05-04

Buczinski, Stephen C.

Cryptography

Communication system using cryptography

Data stream/substitution enciphering

380 21, 380 23, 380 28, 380 30, 380 42, H04L 902, H04K 100, H04K 900

Patent

active

052088588

ABSTRACT:
The hash result of useful data is transmitted to a multiply-protected central server in which it is transformed into a signature on the basis of a crypto operations system combination with a private key code of the originator. The signature is deposited in the central server and is available as what is referred to as a "digital signature" for the transmission of the useful data.

REFERENCES:
patent: 5005200 (1991-04-01), Fischer
patent: 5050212 (1991-09-01), Dyson
patent: 5073934 (1991-12-01), Matyas et al.
R. L. Rivest et al., Comm. of ACM, Feb. 1978, vol. 21, #2, p. 120.
F. Schmidtke, HICOM Sicherheitskonzept, K PN EP 63, Aug. 1986.

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