Method for secure key distribution over a nonsecure communicatio

Details Method for secure key distribution over a nonsecure communicatio Method for secure key distribution over a nonsecure communicatio

1998-02-03

2000-08-29

Hayes, Gail O.

Cryptography

Key management

Key distribution

713202, H04L 912, H04L 908

Patent

active

061119563

ABSTRACT:
In response to an inquiry by an unsophisticated Subscriber over a nonsecure network, a Provider returns a public key and retains the corresponding private key. The Subscriber encrypts a password using the public key, which is decrypted by the Provider. The password is then used to securely transfer to the Subscriber a key determined by the Provider, thereby enabling the Subscriber to decrypt messages encrypted by the Provider and transmitted over the nonsecure network. This password dependent secure transmission of a key to an unsophisticated Subscriber may be accomplished by several methods, including hashing, key lookup, Wizard protocol, and Warlock procedure. In each method the password is used by the Subscriber and the Provider in correlated operations ending in secure receipt by the Subscriber of a key determined by the Provider.

REFERENCES:
patent: 3825255 (1974-07-01), Kennard et al.
patent: 4375666 (1983-03-01), Buck et al.
patent: 5046092 (1991-09-01), Walker et al.
patent: 5150411 (1992-09-01), Maurer
patent: 5196840 (1993-03-01), Leith et al.
patent: 5222140 (1993-06-01), Beller et al.
patent: 5425102 (1995-06-01), Moy
patent: 5434918 (1995-07-01), Kung et al.
patent: 5870475 (1999-02-01), Allan et al.
Schneier, Bruce. Applied Cryptography, 2nd ed. John Wiley and Sons, Inc. p. 49, 1996.

Affiliated with

Also associated with

Rating

Method for secure key distribution over a nonsecure communicatio does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for secure key distribution over a nonsecure communicatio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for secure key distribution over a nonsecure communicatio will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1256838