Security deciphering apparatus for enciphered data transmitted over public network and security deciphering method using the same

Disclosed is a security deciphering apparatus including a hidden secret key storing unit for storing a hidden secret key (Kh) corresponding to intrinsic identification information, a first decoding unit for receiving a personal secret key ({Ks}Kh), generated by enciphering a cipher key (Ks) by using...

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Bibliographic Details
Main Author KIM HOE-WON
Format Patent
LanguageEnglish
Published 07.10.2004
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
JAMMING OF COMMUNICATION
SECRET COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:Disclosed is a security deciphering apparatus including a hidden secret key storing unit for storing a hidden secret key (Kh) corresponding to intrinsic identification information, a first decoding unit for receiving a personal secret key ({Ks}Kh), generated by enciphering a cipher key (Ks) by using the hidden secret key (Kh), via a public network, and decoding the personal secret key ({Ks}Kh) by using the hidden secret key (Kh), thereby obtaining the cipher key (Ks), and a second decoding unit for receiving enciphered data ({M}Ks), generated by enciphering data (M) by using the cipher key (Ks), via the public network, and decoding the enciphered data ({M}Ks) by using the cipher key (Ks), thereby obtaining the data (M). In accordance with the security deciphering apparatus, it is possible to receive data while maintaining a desired security of the data.
Bibliography:Application Number: US20040754802