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Introduction to Attribute-Based Encryptions and Its Applications
Kwangsu Lee(이동훈),Dong Hoon Lee(이재하) 한국정보과학회 컴퓨터이론연구회 2008 컴퓨터이론연구회지 Vol.19 No.1
Attribute-Based Encryption (ABE) is a generalization of Identity-Based Encryption (IBE) and represents an identity as a set of attributes. ABE schemes are divided into two categories, namely Key-Policy ABE (KP-ABE) that assigns an access structure to a private key and Ciphertext-Policy ABE (CP-ABE) that assigns an access structure to a ciphertext. ABE has many applications such as online music distribution and secure document distribution.