최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0292927 (1989-01-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 392 인용 특허 : 0 |
A computer software security and billing system is disclosed in which the application program is enciphered in accordance with an algorithm driven by a numeric key. The user\s computer is provided with a hardware security module and a removable billing module, both of which carry unique codes. A sec
A computer software security and billing system is disclosed in which the application program is enciphered in accordance with an algorithm driven by a numeric key. The user\s computer is provided with a hardware security module and a removable billing module, both of which carry unique codes. A security program accesses the application program and also writes information about billing into the billing module. The billing module is periodically replaced so the user can be charged based on amount of usage of the software.
A billing system for billing users on a usage basis for an enciphered application software program for a computer comprising: a hardware security module attached to the computer, the security module carrying therein a fixed computer-readable numeric internal code and also carrying a billing module i
A billing system for billing users on a usage basis for an enciphered application software program for a computer comprising: a hardware security module attached to the computer, the security module carrying therein a fixed computer-readable numeric internal code and also carrying a billing module interface; a billing module electrically connected to the security module and electrically connecting to the billing module interface therein, the billing module having fixed and alterable memory therein with a fixed computer-readable numeric external code in the fixed memory and billing information stored in the alterable memory, and a storage medium for the computer carrying an enciphered application program thereon and also carrying thereon security program means for (1) causing the computer to read the internal code and the external code, (2) using the internal and external codes to generate a decipher key which is used in a predetermined algorithm to decipher the application program for use by the user, and (3) writing usage billing information in the alterable memory in the billing module.
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