Google is testing a new reCAPTCHA check that uses hand gestures for verification. Using your webcam, Google analyzes one or more videos of your hand performing various actions or gestures. If you are ...

aNational Institute for Health and Care Research Global Health Research Unit on Global Surgery, University of Birmingham, Birmingham B15 2TT, UK bDepartment of Applied Health Sciences, School of ...

Abstract: An optimized implementation of S-boxes has a significant impact on the performance of cryptographic primitives. SAT-based methods can find optimal implementations for moderately sized ...

Abstract: Enterprise-level instant messaging systems can facilitate employee collaboration, protect enterprise data security, support real-time data analysis and online processing, provide ...