Multi-pass hierarchical pattern matching

Details Multi-pass hierarchical pattern matching Multi-pass hierarchical pattern matching

2006-09-19

2006-09-19

Moise, Emmanuel L. (Department: 2137)

Cryptography

Key management

Having particular key generator

C380S028000, C380S262000, C380S281000, C713S181000, C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

07110540

ABSTRACT:
A hash table randomly populated with byte patterns is used in finding the byte patterns in a sequence of bytes. A hash function is applied to information associated with a substring of the sequence of bytes to generate a key value. The key value is compared to the keys of the hash table, and if a match is found, the information associated with the substring is compared to corresponding information associated with a substring of a byte pattern stored in the hash table. If a match is found, the substring of the sequence of bytes is compared to the substring of the byte pattern. If a match is found, the substring is compared to the byte pattern.

REFERENCES:
patent: 6108666 (2000-08-01), Floratos et al.
patent: 6240409 (2001-05-01), Aiken
patent: 6738779 (2004-05-01), Shapira
patent: 6785672 (2004-08-01), Floratos et al.

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