
17 Dec
2003
17 Dec
'03
11:17 p.m.
Hello, all ! With given a unknown DES system with 64 bits plaintext p, ciphertext c, can there be MORE THAN ONE keys ? If so, How is the probability (big or small)? Sincerely, - Yoonejong =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Yoonjeong Kim Email: yjkim@ssrnet.snu.ac.kr Department of Computer Engineering Phone: +82-2-875-7726 (office) Seoul National University +82-2-872-9801 (home) Seoul 151-742 Korea Fax: +82-2-875-7726 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=