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package aeschiper
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import (
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"errors"
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"fmt"
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"io"
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"os"
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"b612.me/starcrypto"
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"b612.me/staros"
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)
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func EncodeStr(str, key string) string {
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ensdata := starcrypto.AesEncryptCFBNoBlock([]byte(str), starcrypto.Md5([]byte(key)))
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return starcrypto.Base91EncodeToString(ensdata)
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}
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func DecodeStr(str, key string) string {
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strtmp := starcrypto.Base91DecodeString(str)
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str = string(strtmp)
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return string(starcrypto.AesDecryptCFBNoBlock([]byte(str), starcrypto.Md5([]byte(key))))
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}
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func EncodeFile(fpath, out, key string) error {
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if !staros.Exists(fpath) {
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return errors.New("SrcFile Not Exists")
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}
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fpsrc, err := os.Open(fpath)
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if err != nil {
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return err
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}
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defer fpsrc.Close()
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fpdst, err := os.Create(out)
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if err != nil {
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return err
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}
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defer fpdst.Close()
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bufsize := 1024 * 1024 //1MB
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stat, _ := fpsrc.Stat()
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buf := make([]byte, bufsize)
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sumAll := 0
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for {
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n, err := fpsrc.Read(buf)
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if err != nil && err != io.EOF {
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return err
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}
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fmt.Print("已完成：%.2f%%\r", float64(sumAll)/float64(stat.Size())*100)
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encodeBytes := starcrypto.AesEncryptCFBNoBlock(buf[:n], starcrypto.Md5([]byte(key)))
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fpdst.Write(encodeBytes)
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if err == io.EOF {
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fmt.Print("已完成：100%% \n")
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break
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}
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}
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return nil
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}
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func DecodeFile(fpath, out, key string) error {
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if !staros.Exists(fpath) {
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return errors.New("SrcFile Not Exists")
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}
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fpsrc, err := os.Open(fpath)
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if err != nil {
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return err
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}
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defer fpsrc.Close()
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fpdst, err := os.Create(out)
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if err != nil {
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return err
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}
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defer fpdst.Close()
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bufsize := 1024 * 1024 //1MB
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stat, _ := fpsrc.Stat()
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buf := make([]byte, bufsize)
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sumAll := 0
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for {
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n, err := fpsrc.Read(buf)
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if err != nil && err != io.EOF {
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return err
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}
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fmt.Print("已完成：%.2f%%\r", float64(sumAll)/float64(stat.Size())*100)
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encodeBytes := starcrypto.AesDecryptCFBNoBlock(buf[:n], starcrypto.Md5([]byte(key)))
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fpdst.Write(encodeBytes)
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if err == io.EOF {
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fmt.Print("已完成：100%% \n")
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break
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}
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}
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return nil
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}
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