Cryptography – Particular algorithmic function encoding – Public key
Reexamination Certificate
2007-10-23
2007-10-23
Vu, Kim (Department: 2135)
Cryptography
Particular algorithmic function encoding
Public key
C380S282000
Reexamination Certificate
active
09468703
ABSTRACT:
Methods for transferring among key holders in encoding and cryptographic systems the right to decode and decrypt messages in a way that does not explicitly reveal decoding and decrypting keys used and the original messages. Such methods are more secure and more efficient than typical re-encoding and re-encryption schemes, and are useful in developing such applications as document distribution and long-term file protection.
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“Encryption Technology to Thwart Computer Hackers System should protect security of E-Commerce”; Aug. 28, 1998; Irish Times; City Edit
ContentGuard Holdings Inc.
Ha Leynna T.
Kaufman Marc S.
Nixon & Peabody LLP
Vu Kim
LandOfFree
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