Which cryptographic algorithm is asymmetric and is commonly used to exchange a symmetric session key?
A CISSP practice question covering Domain 3: Security Architecture and Engineering. Try answering before reading the explanation below.
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Why "RSA" is the right answer
RSA is an asymmetric algorithm and is widely used to encrypt session keys during the TLS handshake. AES is symmetric. SHA-256 is a hash function. HMAC is a keyed hash for message authentication, not key exchange.
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