Table 2.

Benchmarked security algorithms.

Security	ECDSA for Signing and Verifying ITS Safety Messages (e.g., CAMs)	ECIES with AES for Encrypting and Decrypting Sensitive ITS Communications
ETSI TC ITS	ECDSA NISTP-256 with SHA-256	ECIES NISTP-256 with AES CCM 128/256 *
IEEE 1609.2	ECDSA NISTP-224 with SHA-224	ECIES NISTP-224 with AES CCM 128/256 *
NIST	ECDSA NISTP-192 with SHA-256	ECIES NISTP-192 with AES CCM 128/256 *
	ECDSA NISTP-224 with SHA-256	ECIES NISTP-224 with AES CCM 128/256 *
	ECDSA NISTP-384 with SHA-384	ECIES NISTP-384 with AES CCM 128/256 *

* AES CCM 128 is the recommended private key algorithm by ITS standards.