Symmetric-Key Encryption Scheme with Multi-ciphertext Non-malleability. - Akinori Kawachi; Hirotoshi Takebe; Keisuke Tanaka (IWSEC, 2012)

Grey-Box Public-Key Steganography. - Hirotoshi Takebe; Keisuke Tanaka (TAMC, 2013)

Lower Bounds for Key Length of k-wise Almost Independent Permutations and Certain Symmetric-Key Encryption Schemes. - Akinori Kawachi; Hirotoshi Takebe; Keisuke Tanaka (IWSEC, 2016)