3/ Cryptography is the science of securely communicating in the presence of adversarial behavior. Cryptography is used primarily to
-keep data confidential
-authenticate data origin
-validate data integrity
-establish non-repudiation in communication
https://www.youtube.com/watch?...
3/密码学是一门在存在敌对行为的情况下安全通信的科学。密码学主要用于
-对数据保密
-验证数据来源
-验证数据完整性
-在沟通中建立不可否认性
https://www.youtube.com/watch?...