Patent · US Active

Accelerated passphrase verification

US10091188B2 · kind B2 · utility

15Cited by

5References

16Claims

0Family size

Assignee

QUALCOMM Incorporated · US

Inventors

Lu Xiao · San Diego, US
Satyajit P. Patne · The Colony, US

Key dates

Filing date	Mar 30, 2015
Grant date	Oct 2, 2018
Priority date	—
Expiry date	Mar 30, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG06F2221/2111
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Systems and methods for providing accelerated passphrase verification are disclosed. In one embodiment, a method includes receiving a full security string, generating a full security string hash code, storing the full security string hash code in a memory, determining at least one substring based on an entropy value associated with one or more leading characters in the full security string, generating at least one substring hash code and at least one corresponding character count value, such that the corresponding character count value equals a number of characters in the at least one substring, and storing the at least one substring hash code and the at least one corresponding character count value in the memory.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.