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____________ carries out all its calculations on bytes rather than using bits and is at least 6-times faster than 3-DES.

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____________ carries out all its calculations on bytes rather than using bits and is at least 6-times faster than 3-DES.

(a) AES

(b) DES

(c) IDEA

(d) Twofish

I had been asked this question in a job interview.

My question is from Cryptography topic in chapter Cryptography in Security of Cyber Security

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Right option is (a) AES

The explanation: Advanced Encryption Standard is a comparatively innovative block cipher that carries out all its calculations on bytes rather than using bits and is at least 6-times faster than 3-DES.

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