The software can, for example, assign a customised scoring algorithm to each credit card, depending on its normal usage patterns.
例如，软件能给每张信用卡分配特定的计分算法，根据该信用卡通常的消费方式来计分。
Through a mathematical algorithm, a private key is like your electronic identification card; the public key is like the lock or gate mechanism that you present your ID card to.
通过一个数学算法，一个私钥如同您的电子身份证；公钥如同您向其出示身份证的锁或门机制。
Based on RSA algorithm of unsymmetrical cryptographic system and MD5 message-digest algorithm, the paper presents a digital signature scheme based on IC card.
在基于非对称加密系统中的RSA算法和MD 5报文摘要算法上，提出了一种基于IC卡的数字签名方案。
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