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Apparatus and method for demonstrating and confirming the status of a digital certificates and other data

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04K-001/00
  • H04L-009/00
출원번호 US-0645759 (1996-05-14)
발명자 / 주소
  • Kocher Paul Carl
출원인 / 주소
  • ValiCert, Inc.
대리인 / 주소
    Blakely, Sokoloff, Taylor and Zafman LLP
인용정보 피인용 횟수 : 113  인용 특허 : 45

초록

Methods and apparatuses for providing cryptographic assurance based on ranges as to whether a particular data item is on a list. According to one computer-implemented method, the items on the list are sorted and ranges are derived from adjacent pairs of data items on the list. Next, cryptographicall

대표청구항

[ What is claimed is:] [1.] A method comprising the computer implemented steps of:where each digital certificate in a superset of issued digital certificates is associated with a unique data item, sorting those data items associated with a plurality of revoked digital certificates belonging to said

이 특허에 인용된 특허 (45)

  1. Pettus Christopher E. (San Francisco CA), Authentication of users with dynamically configurable protocol stack.
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  13. Micali Silvio (459 Chestnut Hill Ave. Brookline MA 02146), Fair cryptosystems and methods of use.
  14. Micali Silvio (459 Chestnut Hill Ave. Brookline MA 02146), Guaranteed partial key-escrow.
  15. Micali Silvio (459 Chestnut Hill Rd. Brookline MA 02146), Ideal electronic negotiations.
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  28. Gasser Morrie (Saugus MA) Goldstein Andrew C. (Hudson MA) Kaufman Charles W. (Northborough MA) Lampson Butler W. (Cambridge MA), Method for delegating authorization from one entity to another through the use of session encryption keys.
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  35. Merkle Ralph C. (Mountain View CA), Method of providing digital signatures.
  36. Micali Silvio (459 Chestnut Hill Ave. Brookline MA 02146), Natural input encryption and method of use.
  37. Matyas Stephen M. (Kingston NY), Offline PIN validation with DES.
  38. Micali Silvio (224 Upland Rd. Cambridge MA 02140) Goldreich Oded (19 Ben Gurion Tel Aviv ILX) Even Shimon (13 Vitkin Street Haifa ILX), On-line/off-line digital signing.
  39. Nickel Steven P. (Cherry Valley MA), Prefix search tree partial key branching.
  40. Micali Silvio (Cambridge MA) Schnorr Claus (Bad Nauheim DEX), Pseudo-random sequence generator.
  41. Beller Michael J. (Little Silver NJ) Yacobi Yacov (Berkeley Heights NJ), Public key authentication and key agreement for low-cost terminals.
  42. Fischer Addison M. (60 14th Ave. South Naples FL 33942), Public key/signature cryptosystem with enhanced digital signature certification.
  43. Elgamal Taher (Palo Alto CA) Hickman Kipp E. B. (Los Altos CA), Secure socket layer application program apparatus and method.
  44. Micali Silvio (459 Chesnut Hill Ave. Brookline MA 02146), Simultaneous electronic transactions with visible trusted parties.
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