Method and apparatus for protecting software

作者: Andrew J. Logan

DOI:

关键词:

摘要: A method and system for protecting a software program recorded within storage medium use with or transmission to computer processor based hardware comprises inputting code uniquely associated the particular first embodiment of software. predetermined operation is performed upon produce an intermediate code. unique activation obtained from supplier inputted second The compared stored in hidden location enabled only if are identical.

参考文章(16)
Satoru Nagashima, Shiro Yoshida, Tatsuro Shirai, Apparatus and method for recording and reproducing a digital signal ,(1988)
Brian Anderson Wichmann, Graeme Iain Papworth Parkin, Simon Mays Elsom, Bernard John Chorley, Software protection device ,(1985)
David Bruce Lehman, Donald Joseph Nieglos, Michael Peter Oehler, Natthew Aron Appelbaum, Stanley Carl Nolte, System for preventing software piracy employing multi-encrypted keys and single decryption circuit modules ,(1986)
Thomas C. Donald, Henry W. Donald, Software protection system ,(1981)