CISSP-ISSAP: Information Systems Security Architecture Professional

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QuestionQ152

VerifiedInfrastructure and System Security

SSH is a network protocol that enables data to be exchanged between two networks through a secure channel. Which of the following encryption algorithms may be used by the SSH protocol? Each correct answer provides a complete solution. Choose all that apply.

Choose three
Explanation

SSH defines Blowfish, IDEA, and Arcfour cipher algorithms; Arcfour is compatible with RC4. SSH specifies triple-DES rather than single DES. RFC 8758 has since deprecated RC4/Arcfour because of known cryptographic weaknesses, but it was defined as an SSH cipher algorithm.

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