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CompTIA: Advanced Security Practitioner (CASP) Exam Prep

Category - Cryptography

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Which of the following Symmetric Algorithms uses a key size of up to 2,040 bits?

Blowfish
RC5
IDEA
CAST

Explanation

Answer: B - RC5 uses a key size of up to 2,040 bits.

Key Takeaway: RC is an encryption family produced by RSA laboratories. RC stands for Ron's Code, or Rivest's Cipher. Ron Rivest is the author of this algorithm.

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