cryptography.go

package gryphon

import (
	"crypto/md5"
	"encoding/base64"
	"encoding/hex"
	"io"
	"os"
)

func md5Hash(text string) string {
	hasher := md5.New()
	hasher.Write([]byte(text))
	return hex.EncodeToString(hasher.Sum(nil))
}

func ComputeMD5(filePath string) []byte {
	var result []byte
	file, err := os.Open(filePath)
	if err != nil {
		return nil
	}
	defer file.Close()
	hash := md5.New()
	if _, err := io.Copy(hash, file); err != nil {
		return nil
	}
	return hash.Sum(result)
}

func Base64Encode(str string) string {
	return base64.StdEncoding.EncodeToString([]byte(str))
}

func Base64Decode(str string) string {
	data, err := base64.StdEncoding.DecodeString(str)
	if err != nil {
		//	NewDebugUpdate("Error: None-Valid Base64 String...")
		return ""
	}
	return string(data)
}

func Deobfuscate(Data string) string {
	var ClearText string
	for i := 0; i < len(Data); i++ {
		ClearText += string(rune(int(Data[i]) - 1))
	}
	return ClearText
}

func Obfuscate(Data string) string {
	var ObfuscateText string
	for i := 0; i < len(Data); i++ {
		ObfuscateText += string(rune(int(Data[i]) + 1))
	}
	return ObfuscateText
}