December 2017
Intermediate to advanced
410 pages
11h 5m
English
Content preview from Enterprise Cloud Security and Governance
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Block cipher (AES)
As the name suggests, a block cipher encrypts the entire block of data at a time.
Many of the modern block ciphers tend to encrypt data in a block size of 128 bits (16 bytes).
The most popular block cipher used in the industry is AES.
The basic working of a block cipher is illustrated in the following diagram:
In this case, a single block contains eight partitions and the entire block is taken and encrypted.
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