Module aes_util 

Functions

aes256_cbc_decrypt

Decrypt a buffer with the given key and iv using AES256/CBC/Pkcs encryption. 解密(data:加密数据；key：密钥（长度为32的字符串）；iv：偏移量（长度为16的字符串）)

aes256_cbc_encrypt

Encrypt a buffer with the given key and iv using AES256/CBC/Pkcs encryption. 加密(data:加密数据；key：密钥（长度为32的字符串）；iv：偏移量（长度为16的字符串）)