KCipher-2

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KCipher-2 is a stream cipher jointly developed by Kyushu University and Japanese telecommunications company KDDI.^[1] It is standardized as ISO/IEC 18033–4,^[2] and is on the list of recommended ciphers published by the Japanese Cryptography Research and Evaluation Committees (CRYPTREC).^[3] It has a key length of 128 bits, and can encrypt and decrypt around seven to ten times faster than the Advanced Encryption Standard (AES) algorithm.^[1]

• Seto, Mitsuki; Saitō, Ken'ichi (2019). Tettei Kōryaku: Jōhō Shori Anzen Kakuho Shienshi Kyōkasho [Comprehensive Strategy: Registered Information Security Specialist Textbook] (in Japanese) (2020 ed.). Impress.
• Hidaka, Akira (17 February 2012). "Hayai, Karui, Namae no Yurai ga Omoshiroi? Mobairu Kiki ni Tekishita Angōka Gijutsu "KCipher-2" to wa?" [Fast, Light, a Name with an Interesting Origin? About "KCipher-2", an Encryption Algorithm Suited for Mobile Devices] (in Japanese). IT Media. Retrieved 2 October 2020.

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