n. 密码使用法,密码系统,密码术
网络 密码术; 加密; 密码编码学
The number that you choose to rotate your letters by is what we call in cryptography, a key.
你选择的旋转字母的数量就是我们在密码学中所说的密匙。
There´s cryptography going on.
这里就使用了密码技术。
Finally, there was the issue of cryptography.
最后就是加密问题。
Well, we´ll talk before long about cryptography.
好,我们等下讲讲密码学。
Appendix 4: Public-key cryptography terminology.
附录4:公钥加密术语。