00997nam a2200361 4500 DLU110121531 ##20110519 ##020916s2003 flua b 001 0 eng 2002034919 1584881534 DLC DLC DLC pcc 005.8 WA-S Wagstaff, Samuel S. Cryptanalysis of number theoretic ciphers / Samuel S. Wagstaff, Jr. Boca Raton, FL : CRC Press/Chapman & Hall, 2003. xv, 318 p. : ill. ; 21X30 cm. Includes bibliographical references (p. 303-310) and index. Computer security. Cryptography. Number theory. Computational mathematics series. 01/2011TN GT 0 KTN True Đào Thị Thu Huyền G A SH Thư viện Trường Đại học Đà Lạt