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encrypt_de
- This code is a cipher which takes in a plaintext or ciphertext string and encrypts / decrypts according to a user defined key value. -This code is a cipher which takes in a plaint ext or ciphertext string and encrypts / decrypt 's according to
ibe具有认证功能算法
- 1 Boneh-Franlin的IBE算法主要由四个子算法组成:Setup,Extract,Encrypt和Decrypt,分别完成系统参数建立、密钥提取、加密和解密的功能。假定消息的明文空间为 ,密文空间 。 (1)、建立: 给定一个安全参数 k蝂+ Step 1: 执行G生成一个素数q, 两个q阶群G1, G2 , 和一个可用的双线性映射 ê: G1碐1瓽2。 此外选取G1 任一生成元 P蜧1,再选取两个HASH函数 H3:{ 0, 1}n×{0, 1}n。 -?, H4:。 :{ 0,
project
- Visual Cryptography is based on cryptography where n images are encoded in a way that only the human visual system can decrypt the hidden message without any cryptographic computations when all shares are stacked together. This paper presents
