Research Article

A Cloud-User Protocol Based on Ciphertext Watermarking Technology

Table 1

Watermark’s tolerance to GF.

Scale
0.10.20.30.50.8124810
BER

20.110.110.110.110.110.110.110.110.110.11
40.110.110.110.110.010.010.320.460.480.48
80.120.120.120.120.010.010.280.460.480.48
100.120.120.120.120.0100.280.460.480.48