Data generating device and control method thereof, data...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication

Reexamination Certificate

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Reexamination Certificate

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07849308

ABSTRACT:
A data generating device comprises a variable-length data input unit adapted to input variable-length data, an embedding unit adapted to embed identification data corresponding to format information indicating the format of the variable-length data to the variable-length data; an location information acquiring unit adapted to acquire location information showing locations corresponding to identification data in variable-length data; and an outputting unit adapted to output the variable-length data in which the identification data is embedded and the location information, wherein the variable-length data comprises a public key certificate.

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patent: 2003/0072059 (2003-04-01), Thomas et al.
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patent: 2004/0215803 (2004-10-01), Yamada
patent: 2008/0046722 (2008-02-01), Suga
patent: 2004-0094601 (2004-11-01), None
R.L. Rivest, A. Shamir and L. Adleman: “A Method for Obtaining Digital Signatures and Public-Key Cryptosystems”, Communications of the ACM, v. 21, n. 2, pp. 120-126, Feb. 1978.
Federal Information Processing Standards (FIPS) 186-2, Digital Signature Standard (DSS), Jan. 2000.
ITU-T Recommendation X.509/ISO/IEC 9594-8: “Information Technology—Open Systems Interconnection—The Directory: Public-key and attribute certificate frameworks”, May 2001.
C. Ellison, SPKI Certificate Theory, Request for Comments 2693, IETF, Sep. 1999.
XML Key Management Specification (XKMS 2.0), http://www.w3.org/TR/xkms2/, W3C Candidate Recommendation Apr. 5, 2004.

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