package heepay import "crypto/cipher" // newCBCEncrypter 创建 CBC 加密器(封装 cipher.NewCBCEncrypter) func newCBCEncrypter(block cipher.Block, iv []byte) cipher.BlockMode { return cipher.NewCBCEncrypter(block, iv) } // newCBCDecrypter 创建 CBC 解密器 func newCBCDecrypter(block cipher.Block, iv []byte) cipher.BlockMode { return cipher.NewCBCDecrypter(block, iv) }