What uses an Elliptic Curve key exchange algorithm?
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A. B. C. D.B.
https://blog.cloudflare.com/a-relatively-easy-to-understand-primer-on-elliptic-curve-cryptography/The Elliptic Curve key exchange algorithm is used to establish a secure connection between two parties over an insecure network. It is a cryptographic technique that utilizes the properties of elliptic curves to generate keys for secure communication.
Answer B - ECDHE (Elliptic Curve Diffie-Hellman Ephemeral) is the correct answer to the question. ECDHE is a key exchange algorithm that is based on the Diffie-Hellman key exchange protocol and uses elliptic curve cryptography to generate keys. It is widely used in modern cryptographic protocols such as TLS (Transport Layer Security) and SSL (Secure Sockets Layer) to establish secure connections between clients and servers.
Answer A - ECDSA (Elliptic Curve Digital Signature Algorithm) is a digital signature algorithm that uses elliptic curve cryptography to provide digital signatures. It is used for verifying the authenticity and integrity of messages and data.
Answer C - AES-GCM (Advanced Encryption Standard-Galois/Counter Mode) is a symmetric encryption algorithm that provides confidentiality and integrity of data. It is commonly used in TLS to encrypt data.
Answer D - SHA (Secure Hash Algorithm) is a cryptographic hash function that is used to generate unique fixed-size outputs for input data. It is commonly used in digital signatures and message authentication codes.
In conclusion, the Elliptic Curve key exchange algorithm is used in ECDHE to generate keys for secure communication. ECDSA is a digital signature algorithm, AES-GCM is a symmetric encryption algorithm, and SHA is a cryptographic hash function.