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97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
// Copyright 2021 dudaodong@gmail.com. All rights reserved.
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// Use of this source code is governed by MIT license
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// Package cryptor implements some util functions to encrypt and decrypt.
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// Contain base64, hmac, sha, aes, des, and rsa
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package cryptor
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import (
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"crypto/hmac"
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"crypto/md5"
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"crypto/sha1"
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"crypto/sha256"
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"crypto/sha512"
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"encoding/base64"
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"encoding/hex"
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"io/ioutil"
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)
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// Base64StdEncode encode string with base64 encoding
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func Base64StdEncode(s string) string {
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return base64.StdEncoding.EncodeToString([]byte(s))
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}
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// Base64StdDecode decode a base64 encoded string
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func Base64StdDecode(s string) string {
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b, _ := base64.StdEncoding.DecodeString(s)
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return string(b)
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}
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// Md5String return the md5 value of string
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func Md5String(s string) string {
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h := md5.New()
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h.Write([]byte(s))
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return hex.EncodeToString(h.Sum(nil))
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}
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// Md5File return the md5 value of file
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func Md5File(filename string) (string, error) {
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f, err := ioutil.ReadFile(filename)
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if err != nil {
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return "", err
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}
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h := md5.New()
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h.Write(f)
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return hex.EncodeToString(h.Sum(nil)), nil
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}
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// HmacMd5 return the hmac hash of string use md5
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func HmacMd5(data, key string) string {
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h := hmac.New(md5.New, []byte(key))
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h.Write([]byte(data))
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return hex.EncodeToString(h.Sum([]byte("")))
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}
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// HmacSha1 return the hmac hash of string use sha1
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func HmacSha1(data, key string) string {
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h := hmac.New(sha1.New, []byte(key))
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h.Write([]byte(data))
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return hex.EncodeToString(h.Sum([]byte("")))
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}
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// HmacSha256 return the hmac hash of string use sha256
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func HmacSha256(data, key string) string {
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h := hmac.New(sha256.New, []byte(key))
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h.Write([]byte(data))
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return hex.EncodeToString(h.Sum([]byte("")))
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}
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// HmacSha512 return the hmac hash of string use sha512
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func HmacSha512(data, key string) string {
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h := hmac.New(sha512.New, []byte(key))
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h.Write([]byte(data))
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return hex.EncodeToString(h.Sum([]byte("")))
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}
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// Sha1 return the sha1 value (SHA-1 hash algorithm) of string
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func Sha1(data string) string {
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sha1 := sha1.New()
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sha1.Write([]byte(data))
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return hex.EncodeToString(sha1.Sum([]byte("")))
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}
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// Sha256 return the sha256 value (SHA256 hash algorithm) of string
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func Sha256(data string) string {
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sha256 := sha256.New()
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sha256.Write([]byte(data))
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return hex.EncodeToString(sha256.Sum([]byte("")))
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}
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// Sha512 return the sha512 value (SHA512 hash algorithm) of string
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func Sha512(data string) string {
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sha512 := sha512.New()
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sha512.Write([]byte(data))
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return hex.EncodeToString(sha512.Sum([]byte("")))
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}
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