Security of Encryption Schemes in Weakened Random Oracle Models. - Kawachi, Akinori; Numayama, Akira; Tanaka, Keisuke; Xagawa, Keita (2010)

Security of Encryption Schemes in Weakened Random Oracle Models. - Kawachi, Akinori; Numayama, Akira; Tanaka, Keisuke; Xagawa, Keita (IACR Cryptol. ePrint Arch., 2010)

On the Weak Ideal Compression Functions. - Numayama, Akira; Tanaka, Keisuke (2009)

Security on Hybrid Encryption with the Tag-KEM/DEM Framework. - Matsuda, Toshihide; Nishimaki, Ryo; Numayama, Akira; Tanaka, Keisuke (2009)

Security of Digital Signature Schemes in Weakened Random Oracle Models. - Numayama, Akira; Isshiki, Toshiyuki; Tanaka, Keisuke (2008)