92 lines
2.0 KiB
Go
92 lines
2.0 KiB
Go
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//
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// md5.go
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// Copyright (C) 2022 tiglog <me@tiglog.com>
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//
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// Distributed under terms of the MIT license.
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//
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package gmd5
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import (
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"crypto/md5"
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"fmt"
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"io"
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"os"
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)
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// Encrypt encrypts any type of variable using MD5 algorithms.
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// It uses gconv package to convert `v` to its bytes type.
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func Encrypt(in string) (encrypt string, err error) {
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return EncryptBytes([]byte(in))
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}
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// MustEncrypt encrypts any type of variable using MD5 algorithms.
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// It uses gconv package to convert `v` to its bytes type.
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// It panics if any error occurs.
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func MustEncrypt(in string) string {
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result, err := Encrypt(in)
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if err != nil {
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panic(err)
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}
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return result
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}
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// EncryptBytes encrypts `data` using MD5 algorithms.
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func EncryptBytes(data []byte) (encrypt string, err error) {
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h := md5.New()
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if _, err = h.Write(data); err != nil {
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return "", err
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}
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return fmt.Sprintf("%x", h.Sum(nil)), nil
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}
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// MustEncryptBytes encrypts `data` using MD5 algorithms.
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// It panics if any error occurs.
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func MustEncryptBytes(data []byte) string {
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result, err := EncryptBytes(data)
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if err != nil {
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panic(err)
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}
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return result
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}
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// EncryptString encrypts string `data` using MD5 algorithms.
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func EncryptString(data string) (encrypt string, err error) {
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return EncryptBytes([]byte(data))
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}
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// MustEncryptString encrypts string `data` using MD5 algorithms.
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// It panics if any error occurs.
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func MustEncryptString(data string) string {
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result, err := EncryptString(data)
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if err != nil {
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panic(err)
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}
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return result
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}
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// EncryptFile encrypts file content of `path` using MD5 algorithms.
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func EncryptFile(path string) (encrypt string, err error) {
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f, err := os.Open(path)
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if err != nil {
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return "", err
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}
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defer f.Close()
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h := md5.New()
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_, err = io.Copy(h, f)
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("%x", h.Sum(nil)), nil
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}
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// MustEncryptFile encrypts file content of `path` using MD5 algorithms.
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// It panics if any error occurs.
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func MustEncryptFile(path string) string {
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result, err := EncryptFile(path)
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if err != nil {
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panic(err)
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}
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return result
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}
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