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Machine translation
1. (WO2003079608) ENCRYPTION KEY HIDING AND RECOVERING METHOD AND SYSTEM
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2003/079608    International Application No.:    PCT/IB2003/000728
Publication Date: 25.09.2003 International Filing Date: 19.02.2003
IPC:
H04L 9/08 (2006.01)
Applicants: KONINKLIJKE PHILIPS ELECTRONICS N.V. [NL/NL]; Groenewoudseweg 1, NL-5621 BA Eindhoven (NL) (For All Designated States Except US).
BOUSIS, Laurent, P., F. [BE/BE]; (NL) (For US Only)
Inventors: BOUSIS, Laurent, P., F.; (NL)
Agent: GROENENDAAL, Antonius, W., M.; Philips Intellectual Property & Standards, Prof. Holstlaan 6, NL-5656 AA Eindhoven (NL)
Priority Data:
02076089.8 20.03.2002 EP
Title (EN) ENCRYPTION KEY HIDING AND RECOVERING METHOD AND SYSTEM
(FR) PROCEDE ET SYSTEME DE DISSIMULATION ET DE RECUPERATION DE CLE DE CHIFFREMENT
Abstract: front page image
(EN)An encrypted data-encryption key is hidden in the random header of a message exchanged between two parties according to a shared function known by both parties A checksum of the modified random header is thereafter appended.
(FR)Une clé de chiffrement de données chiffrées est dissimulée dans l'en-tête aléatoire d'un message échangé entre deux parties selon une fonction partagée connue des deux parties. Une somme de contrôle de l'en-tête aléatoire modifié est ensuite jointe.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NI, NO, NZ, OM, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PT, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)