NTRU Implementation of Efficient Privacy-Preserving Location-Based Querying in VANET

Table 1

Security parameters for diffident public key cryptosystems.

Mathematical problem	Integer factorization	Elliptic curve discrete logarithm	Discrete logarithm
Security level	RSA (bits)	ECC (bits)	ElGamal (bits)
Low security	1024	160	1024
Moderate security	2048	224	2048
Standard security	3072	256	3072
High security	7680	384	7680
Highest security	15360	512	15360