A Secure and Robust Certificateless Public Key Steganography Based on SVD-DDWT. - Osman Wahballa; Abubaker Wahaballa; Fagen Li; Chunxiang Xu (Int. J. Netw. Secur., 2016)

Medical Image Encryption Scheme Based on Arnold Transformation and ID-AK Protocol. - Osman Wahballa; Abubaker Wahaballa; Fagen Li; Idris Ibn Idris; Chunxiang Xu (Int. J. Netw. Secur., 2017)