Privacy-Preserving Vehicle Assignment in the Parking Space Sharing System

Table 4

Per item space cost over key length.

Key length	512 bits	1024 bits	2048 bits
Key size	192 bytes	384 bytes	768 bytes
Ciphertext	128 bytes	256 bytes	512 bytes
Signature	128 bytes	256 bytes	512 bytes
Message	392 bytes	776 bytes	1542 bytes