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Apparatus and method for providing security service
An apparatus and method for providing a security service are provided. The apparatus for providing a security service includes a first block cipher and a second block cipher. The second block cipher is independent of the first block cipher, and is configured to be used as a random number generator when the first block cipher is used to perform encryption/decryption, and to be used to perform encryption/decryption when the first block cipher is used as a random number generator.
Electronics and Telecommunications Research Institute
G G G G H H
G06F G09C G06F G06F H04L H04L
inventional inventional inventional inventional additional inventional
Sang-Woon Yun-Koo Jae-Heon Bong-Soo Jun-Young
Yang Lee Kim Lee Son