October 2019
Intermediate to advanced
374 pages
13h 10m
English
There are two main types of encryption algorithms: symmetric and asymmetric. Symmetric algorithms use the same key to encrypt and decrypt data. Asymmetric algorithms use two related keys—one key to encrypt data and another key to decrypt data. In general, symmetric algorithms are faster than asymmetric algorithms of the same strength. For large amounts of data or frequent encryption/decryption cycles, symmetric algorithms are preferable to asymmetric algorithms because of the faster execution time.
The main problem with using symmetric algorithms in distributed applications, such as web applications or VPNs, is getting the same key to both server and client. If you can’t get the encryption key to ...
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