@misc{cryptoeprint:2015:118, author = {Takahiro Matsuda and Goichiro Hanaoka}, title = {Constructing and Understanding Chosen Ciphertext Security via Puncturable Key Encapsulation Mechanisms}, howpublished = {Cryptology ePrint Archive, Report 2015/118}, year = {2015}, url = {https://eprint.iacr.org/2015/118}, }