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System for preventing electronic memory tampering 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-009/28
  • H04L-009/30
  • H04Q-007/32
출원번호 US-0706574 (1996-09-05)
발명자 / 주소
  • Osborn William R.
출원인 / 주소
  • Ericsson Inc.
대리인 / 주소
    Burns, Doane, Swecker & Mathis, L.L.P.
인용정보 피인용 횟수 : 179  인용 특허 : 20

초록 ▼

Methods and apparatus for preventing tampering with memory in an electronic device, such as a cellular telephone, are disclosed. An electronic device having a memory and a processing means contains logic that is used to perform a one-way hash calculation on the device's memory contents whereby an au

대표청구항 ▼

[ What is claimed is:] [1.] A cellular telephone comprising:a microprocessor; anda memory;wherein the microprocessor performs a hash calculation on contents of the memory to derive an audit hash value, which audit hash value is compared to a valid hash value previously derived from perlormance of th

이 특허에 인용된 특허 (20)

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  10. Akiyama Ryota (Kawasaki JPX) Yabe Toshihiro (Kawasaki JPX) Motohashi Kazutoshi (Kawasaki JPX), Method of registering identification number in personal communication terminal.
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  14. Zicker Robert G. (Houston TX) Dion John K. (The Woodlands TX) Blair Kevin B. (Spring TX) Austin William J. (Spring TX), Remote accessing system for cellular telephones.
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