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Digital document authentication system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-009/32
출원번호 US-0803326 (1997-02-21)
발명자 / 주소
  • Haber Stuart A.
  • Stornetta
  • Jr. W. Scott
출원인 / 주소
  • Surety Technologies, Inc.
대리인 / 주소
    Meltzer, Lippe, Goldstein, et al.
인용정보 피인용 횟수 : 226  인용 특허 : 8

초록 ▼

A process for time-stamping a digital document is provided. The process provides a certificate which not only allows for the authentication of a document at a later time but which includes a name or nickname which allows for the unique identification of the document at a later time. The name or nick

대표청구항 ▼

[ What is claimed is:] [1.] A method for processing a plurality of digital documents comprising the step of electronically generating a repository of hashed digital values in the form of a directed acyclic graph having nodes, each node comprising a hash value dependent on at least one of said digita

이 특허에 인용된 특허 (8)

  1. Rivest Ronald L. (Belmont MA) Shamir Adi (Cambridge MA) Adleman Leonard M. (Arlington MA), Cryptographic communications system and method.
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  2. Haber Stuart A. (New York NY) Stornetta ; Jr. Wakefield S. (Morristown NJ), Digital document time-stamping with catenate certificate.
    상세보기
  3. Merkle Ralph C. (1134 Pimento Ave. Sunnyvale CA 94087), Digital signature system and method based on a conventional encryption function.
    상세보기
  4. Leighton Frank T. (15 Charlesden Park Newtonville MA 02160) Micali Silvio (459 Chestnut Hill Ave. Brookline MA 02146), Large provably fast and secure digital signature schemes based on secure hash functions.
    상세보기
  5. Haber Stuart A. (New York NY) Stornetta ; Jr. Wakefield S. (Morristown NJ), Method for secure time-stamping of digital documents.
    상세보기
  6. Haber Stuart A. (New York NY) Stornetta ; Jr. Wakefield S. (Morristown NJ), Method for secure time-stamping of digital documents.
    상세보기
  7. Haber Stuart A. (New York NY) Stornetta ; Jr. Wakefield S. (Morristown NJ), Method of extending the validity of a cryptographic certificate.
    상세보기
  8. Merkle Ralph C. (Mountain View CA), Method of providing digital signatures.
    상세보기

이 특허를 인용한 특허 (226)

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