Search International and National Patent Collections
Some content of this application is unavailable at the moment.
If this situation persists, please contact us atFeedback&Contact
1. (WO2007011992) SYMMETRIC CRYPTOGRAPHY METHOD AND APPARATUS WITH USER AUTHENTICATION
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/011992 International Application No.: PCT/US2006/027980
Publication Date: 25.01.2007 International Filing Date: 17.07.2006
IPC:
H04L 9/32 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9
Arrangements for secret or secure communication
32
including means for verifying the identity or authority of a user of the system
Applicants:
TYFONE, INC. [US/US]; 5520 SW Macadam Ave. Suite 250 Portland, Oregon 97219, US (AllExceptUS)
NARENDRA, Siva, G. [IN/US]; US (UsOnly)
TADEPALLI, Prabhakar [US/IN]; IN (UsOnly)
SPITZER, Thomas, N. [US/US]; US (UsOnly)
Inventors:
NARENDRA, Siva, G.; US
TADEPALLI, Prabhakar; IN
SPITZER, Thomas, N.; US
Agent:
LEMOINE PATENT SERVICES; c/o Intellevate LLC-Patent & Trademark Services 900 Second Ave South Suite 1700 Minneapolis, MN 55402, US
Priority Data:
11/182,09915.07.2005US
Title (EN) SYMMETRIC CRYPTOGRAPHY METHOD AND APPARATUS WITH USER AUTHENTICATION
(FR) PROCEDE ET APPAREIL DE CRYPTOGRAPHIE SYMETRIQUE A AUTHENTIFICATION UTILISATEUR
Abstract:
(EN) A device uses a user authentication factor to generate a symmetric key for use in symmetric cryptography. The user authentication factor is encrypted and stored for authentication during decryption.
(FR) Ce dispositif utilise un facteur d'authentification d'utilisation pour générer une clé symétrique à utiliser en cryptographie symétrique. Le facteur d'authentification utilisateur est crypté et mémorisé en vue d'une authentification pendant le décryptage.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, 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, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, 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)