Fake and Real Massaging at the Same Time with QR Code in Web Services for Different Users

Figure 6

Sign algorithm efficiency study for the test environment, the number of messages for each client, the number of clients, the signing algorithm (1) 1000 - 1 - SHA512 (2) 1000 – 1 - SHA384 (3) 1000 – 1 – SHA256 (4) 1000 – 1 – SHA1 (5) 1000 – 1 - RIPEMD160 (6) 1– 1000 SHA512 (7) 1 – 1000 SHA384 (8) 1000 – 1 – SHA256 (9) 1000 – 1 – SHA1 (10) 1000 – 1 - RIPEMD160.