EP 1279117 A4 20051207 - SYSTEM AND METHOD FOR SECURED ELECTRONIC TRANSACTIONS
Title (en)
SYSTEM AND METHOD FOR SECURED ELECTRONIC TRANSACTIONS
Title (de)
SYSTEM UND VERFAHREN FÜR SICHERE ELEKTRONISCHE TRANSAKTIONEN
Title (fr)
SYSTEME ET PROCEDE PERMETTANT D'EFFECTUER DES TRANSACTIONS ELECTRONIQUES EN TOUTE SECURITE
Publication
Application
Priority
- US 0107408 W 20010308
- US 52115400 A 20000308
Abstract (en)
[origin: WO0167307A1] The present invention includes a buyer portable device (12) having a value stored thereon, a buyer base device (24), and a buyer provider device (50). A purchase amount is deducted from the buyer portable device and is sent to the buyer provider device. The buyer provider device generates and encrypts a payment file (122) and a view-only payment file (120) which confirms the existence of the payment file. The seller base device (64) transmits the view-only payment file and the payment file to a seller provider device (102). The seller provider device generates and encrypts a product file (130) and a view-only product file (128) which confirms the existence of the product file. The buyer provider device and the seller provider device decrypt the view-only product file and the view-only payment file respectively. Upon approval by the buyer and seller, user keys are exchanged to allow decryption of the product and payment files.
IPC 1-7
IPC 8 full level
G06Q 20/00 (2006.01); G06Q 30/00 (2006.01); G07F 7/08 (2006.01); G07F 7/10 (2006.01)
CPC (source: EP)
G06Q 20/04 (2013.01); G06Q 20/229 (2020.05); G06Q 20/341 (2013.01); G06Q 30/06 (2013.01); G07F 7/0866 (2013.01); G07F 7/1008 (2013.01)
Citation (search report)
- [X] US 5809144 A 19980915 - SIRBU MARVIN A [US], et al
- [A] US 5557518 A 19960917 - ROSEN SHOLOM S [US]
- [A] US 5917168 A 19990629 - NAKAMURA LANCE S [US], et al
- [A] US 5826241 A 19981020 - STEIN LEE H [US], et al
- See references of WO 0167307A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0167307 A1 20010913; AU 2001245524 B2 20070614; AU 4552401 A 20010917; CA 2402651 A1 20010913; EP 1279117 A1 20030129; EP 1279117 A4 20051207
DOCDB simple family (application)
US 0107408 W 20010308; AU 2001245524 A 20010308; AU 4552401 A 20010308; CA 2402651 A 20010308; EP 01918447 A 20010308