广州宝盈网络科技有限公司网站,业务推广平台,手机网站 方案,高端网站设计新感觉建站最近项目中golang项目中使用aes加解密#xff0c;做个记录方便以后使用
aes-cbc-pkcs7加密解密base64输入输出
type AesBase64 struct {key []byte // 允许16,24,32字节长度iv []byte // 只允许16字节长度
}func NewAesBase64(key []byte, iv []byte) *AesBase64 {return 做个记录方便以后使用
aes-cbc-pkcs7加密解密base64输入输出
type AesBase64 struct {key []byte // 允许16,24,32字节长度iv []byte // 只允许16字节长度
}func NewAesBase64(key []byte, iv []byte) *AesBase64 {return AesBase64{iv: iv,key: key,}
}func (s *AesBase64) Encrypt(text []byte) (string, error) {if len(text) 0 {return , nil}//生成cipher.Block 数据块block, err : aes.NewCipher(s.key)if err ! nil {return , err}//填充内容如果不足16位字符blockSize : block.BlockSize()originData : s.pad(text, blockSize)//加密方式blockMode : cipher.NewCBCEncrypter(block, s.iv)//加密输出到[]byte数组crypted : make([]byte, len(originData))blockMode.CryptBlocks(crypted, originData)return base64.StdEncoding.EncodeToString(crypted), nil
}func (s *AesBase64) Decrypt(text string) ([]byte, error) {if len(text) 0 {return []byte(text), nil}decodeData, err : base64.StdEncoding.DecodeString(text)if err ! nil {return []byte(text), err}if len(decodeData) 0 {return []byte(text), nil}//生成密码数据块cipher.Blockblock, _ : aes.NewCipher(s.key)//解密模式blockMode : cipher.NewCBCDecrypter(block, s.iv)//输出到[]byte数组originData : make([]byte, len(decodeData))blockMode.CryptBlocks(originData, decodeData)//去除填充,并返回return s.unPad(originData), nil
}func (s *AesBase64) pad(ciphertext []byte, blockSize int) []byte {padding : blockSize - len(ciphertext)%blockSizepadText : bytes.Repeat([]byte{byte(padding)}, padding)return append(ciphertext, padText...)
}func (s *AesBase64) unPad(ciphertext []byte) []byte {length : len(ciphertext)// 去掉最后一次的paddingunPadding : int(ciphertext[length-1])return ciphertext[:(length - unPadding)]
}
aes-cbc-pkcs7加密解密hex字符串输入输出
type AesHex struct {key []byte // 允许16,24,32字节长度iv []byte // 只允许16字节长度
}func NewAesHex(key []byte, iv []byte) *AesHex {return AesHex{iv: iv,key: key,}
}func (s *AesHex) Encrypt(text []byte) (string, error) {if len(text) 0 {return , nil}//生成cipher.Block 数据块block, err : aes.NewCipher(s.key)if err ! nil {return , err}//填充内容如果不足16位字符blockSize : block.BlockSize()originData : s.pad(text, blockSize)//加密方式blockMode : cipher.NewCBCEncrypter(block, s.iv)//加密输出到[]byte数组crypted : make([]byte, len(originData))blockMode.CryptBlocks(crypted, originData)return hex.EncodeToString(crypted), nil
}func (s *AesHex) Decrypt(text string) ([]byte, error) {if len(text) 0 {return []byte(text), nil}decodeData, err : hex.DecodeString(text)if err ! nil {return []byte(text), err}if len(decodeData) 0 {return []byte(text), nil}//生成密码数据块cipher.Blockblock, _ : aes.NewCipher(s.key)//解密模式blockMode : cipher.NewCBCDecrypter(block, s.iv)//输出到[]byte数组originData : make([]byte, len(decodeData))blockMode.CryptBlocks(originData, decodeData)//去除填充,并返回return s.unPad(originData), nil
}func (s *AesHex) pad(ciphertext []byte, blockSize int) []byte {padding : blockSize - len(ciphertext)%blockSizepadText : bytes.Repeat([]byte{byte(padding)}, padding)return append(ciphertext, padText...)
}func (s *AesHex) unPad(ciphertext []byte) []byte {length : len(ciphertext)// 去掉最后一次的paddingunPadding : int(ciphertext[length-1])return ciphertext[:(length - unPadding)]
}原文仓库地址https://github.com/yanue/aes-cbc-pkcs7
