The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2011
Filed:
Sep. 29, 2006
Lawrence Wen-hao Chang, San Francisco, CA (US);
Ananthan Subramanian, Menlo Park, CA (US);
Lawrence Wen-Hao Chang, San Francisco, CA (US);
Ananthan Subramanian, Menlo Park, CA (US);
NetApp, Inc., Sunnyvale, CA (US);
Abstract
A system and method which generates a single use password based on a challenge/response protocol. A box manager module executing within a security appliance identifies a public key (P) and salt value (S) associated with an administrator's smart card and generates a random nonce (N). The box manager transmits a challenge comprising the following elements: <SHA1(N), BM_ID, P[N, BM_ID], S>. Upon receiving the challenge, the administration card decrypts P[N, BM_ID] using the private key contained within the card and computes SHA1(N). The administration card then compares its computed values with the received values from the box manager. If the values match, then to the administration card returns a response comprising the following elements: HMAC_N[user, SHA1 (password, S)], where HMAC_N represents the SHA1 keyed hash message authentication check of the response elements using the nonce N as the key.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile