Certified Ethical Hacker (CEH) Practice Exam 2026 – Your All-in-One Guide to Exam Success!

The feature that describes RSA accurately is the key size capability, which can extend up to 4096 bits. RSA, which stands for Rivest-Shamir-Adleman, is an asymmetric cryptographic algorithm that relies heavily on the mathematics of large prime numbers for its security. As a result, the size of the keys used in RSA is critical to its robustness; larger keys provide a higher level of security against brute-force attacks and other forms of cryptanalysis.

In practical terms, RSA key sizes commonly used include 2048 bits and 3072 bits, with 4096 bits being an option for those seeking even stronger security. This ability to scale up key sizes makes RSA suitable for various applications in security protocols, such as secure email and digital signatures.

The other options do not accurately reflect key aspects of RSA. For instance, RSA fundamentally relies on prime numbers for its algorithm, as it is based on the mathematical challenge of factoring the product of two large primes. Additionally, RSA is not in the public domain in the sense that it is patented technology, and while it can be used in conjunction with hashing algorithms, RSA itself does not produce hashes directly; it operates on the encryption and decryption of data. Thus, the key size feature being