Takeshi Yamamoto

Re-encryption system, re-encryption device, re-encryption method, capability providing method, and program

DECRYPTION RESULT VERIFICATION DEVICE, METHOD, AND PROGRAM

Proxy calculation request device, proxy calculation request method, proxy calculation request program, and recording medium

Public key encryption method capable of computing ring homomorphism, public key encryption system capable of computing ring homomorphism, transmission device, processing device, reception device, and program and recording medium thereof

Authentication method, registration value generation method, server device, client device, and program

DEVICE, METHOD, SYSTEM, AND PROGRAM FOR VERIFYING DECRYPTION RESULT

AUTHENTICATION METHOD, AUTHENTICATION SYSTEM, PROGRAM, AND SHARED KEY CREATION METHOD

DATA VERIFICATION SYSTEM, ITS METHOD, IDENTIFIER CREATOR, DATA VERIFIER, PROGRAM THEREOF AND RECORD MEDIUM

再暗号化システム、再暗号化装置、再暗号化方法、能力提供方法、及びプログラム

PROXY CALCULATION SYSTEM, TERMINAL DEVICE, PROXY CALCULATION DEVICE, PROXY CALCULATION METHOD, AND PROGRAM