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"Preventing Shoulder-Surfing Attacks using Digraph Substitution Rules and ..."
Lip Yee Por, Chin Soon Ku, Tan Fong Ang (2019)
- Lip Yee Por
, Chin Soon Ku
, Tan Fong Ang
:
Preventing Shoulder-Surfing Attacks using Digraph Substitution Rules and Pass-Image Output Feedback. Symmetry 11(9): 1087 (2019)
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