A Comparative Analysis of Information Hiding Techniques for Copyright Protection of Text Documents

Table 18

A comparative analysis of evaluated techniques against conventional attacks.

Algorithm name	Security limitations	Robustness against conventional attacks: yes (✓) and no (×)
		Insertion	Removal	Reformatting	Reordering	Retyping	Copay & paste
Topkara et al. (2006) [34]	Medium safety	×	×	✓	×	✓	✓
Topkara et al. (2006) [35]	Medium safety	×	×	✓	×	✓	✓
Meral et al. (2007 & 2009) [36, 51]	Medium safety	×	×	✓	×	✓	✓
Kim (2008) [37]	Medium safety	×	×	✓	×	✓	✓
Kim et al. (2010) [38]	Medium safety	×	×	✓	×	✓	✓
Halvani et al. (2013) [39]	Medium safety	×	×	✓	×	✓	✓
Mali et al. (2013) [40]	Medium safety	×	×	✓	×	✓	✓
Lu et al. (2009) [41]	Medium safety	×	×	✓	×	✓	✓
Bender et al. (1996) [44]	Medium safety	✓	×	✓	×	×	✓
Lee and Tsai (2008) [42]	Medium safety	✓	×	✓	×	×	✓
Cheng et al. (2010) [47]	Easy to lose	✓	×	×	×	×	×
Gutub et al. (2007) [49]	Medium safety	✓	×	✓	×	×	✓
Gutub et al. (2010) [47]	Medium safety	✓	×	✓	×	×	✓
Alginahi et al. (2013) [20]	Medium safety	✓	×	✓	×	×	✓
Alginahi et al. (2014) [21]	Medium safety	✓	×	✓	×	×	✓
Chou et al. (2012) [46]	Medium safety	✓	×	✓	×	×	✓
Por et al. (2012) [22]	Medium safety	✓	×	✓	×	×	✓
Mir (2014) [12]	Unsafe	×	×	×	×	×	×
Taleby Ahvanooey and Tabasi (2014) [15]	Optimum safety	✓	×	✓	✓	×	✓
Taleby Ahvanooey et al. (2015) [16]	Optimum safety	✓	×	✓	✓	×	✓
Alotaibi and Elrefaei (2016) [43]	Medium safety	✓	×	✓	×	×	✓
Taleby Ahvanooey et al. (2016) [11]	Optimum safety	✓	×	✓	✓	×	✓
Alotaibi and Elrefaei (2017) [19]	Medium safety	✓	×	✓	×	×	✓
Rizzo et al. (2016) [29]; Rizzo et al. (2017) [48]	Easy to lose	×	×	✓	×	×	✓
Al-Nofaei et al. (2016) [50]	Medium safety	✓	×	✓	×	×	✓