EP 0972374 A1 20000119 - METHOD AND APPARATUS FOR EFFICIENT AUTHENTICATION AND INTEGRITY CHECKING USING HIERARCHICAL HASHING
Title (en)
METHOD AND APPARATUS FOR EFFICIENT AUTHENTICATION AND INTEGRITY CHECKING USING HIERARCHICAL HASHING
Title (de)
VERFAHREN UND VORRICHTUNG ZUR EFFIZIENTEN AUTHENTIFIZIERUNG UND PRÜFUNG DER INTEGRITÄT UNTER VERWENDUNG VON HIERARCHISCHEM HASHING
Title (fr)
PROCEDE ET APPAREIL EFFICACE D'AUTHENTIFICATION ET DE VERIFICATION D'INTEGRITE UTILISANT LE HACHAGE HIERARCHIQUE
Publication
Application
Priority
- US 9902417 W 19990204
- US 1853198 A 19980204
Abstract (en)
[origin: WO9940702A1] In accordance with the present invention a method is provided for signing data and verifying data. Data signing involves dividing a data set into packets, hashing the data within each of the packets to produce a hash block including hash values and applying a digital signature to the hash block. The verifying process involves receiving a packet including data, a hash block and a digital signature, verifying the digital signature, hashing the data to produce hash values and comparing the hash values to values in the hash block.
IPC 1-7
IPC 8 full level
CPC (source: EP)
H04L 9/3236 (2013.01); H04L 9/3247 (2013.01); H04L 9/50 (2022.05); H04L 2209/80 (2013.01)
Citation (search report)
See references of WO 9940702A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9940702 A1 19990812; AU 2583099 A 19990823; EP 0972374 A1 20000119; JP 2001519930 A 20011023
DOCDB simple family (application)
US 9902417 W 19990204; AU 2583099 A 19990204; EP 99905733 A 19990204; JP 54061899 A 19990204