Digital signature protocol with reduced bandwidth

Details Digital signature protocol with reduced bandwidth Digital signature protocol with reduced bandwidth

1997-05-15

2000-08-01

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Public key

713176, H04L 900

Patent

active

060978139

ABSTRACT:
This invention discloses a method of authenticating a signature of a message m comprising the steps of determining a hash h(m) of the message by application of a hash function and deriving therefrom a first signature component. The signor then computes a function mathematically related to the hash of the message and applies the function to the message to obtain a second signature component, bound to the signatory. The signature components are forwarded to a recipient. The recipient then recovers from one of the signature components a message m' and computing a value of m' by applying the hash function, and determining if the value of m' and the hash h(m) embodied in the first signature component are identical whereby identity indicates an authentic signature of the message.

REFERENCES:
patent: 4868877 (1989-09-01), Fischer
patent: 5208858 (1993-05-01), Vollert et al.
patent: 5282249 (1994-01-01), Cohen et al.
patent: 5724424 (1998-03-01), Gifford
patent: 5754659 (1998-05-01), Sprunk et al.
patent: 5790677 (1998-08-01), Fox et al.
patent: 5999626 (1999-12-01), Mullin et al.
Patents Act 1977 Search Report Under Section 17 dated Aug. 13, 1997 (1 page).

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