mirror of
https://github.com/HACKERALERT/Picocrypt.git
synced 2025-01-02 12:52:17 +00:00
Reed-Solomon fully working now
This commit is contained in:
Evan Su
GitHub
parent
63554a0ba5
commit
7abaac4352
1 changed files with 34 additions and 11 deletions
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@ -127,7 +127,7 @@ var shredding = "Ready."
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var password string
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var cPassword string // Confirm password text entry string variable
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var keyfilePath string
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var keyfileLabel = "Use a keyfile (experimental)"
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var keyfileLabel = "Use a keyfile (Beta)"
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var metadata string
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var shredTemp bool
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var paranoid bool
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@ -381,7 +381,7 @@ func startUI(){
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giu.Checkbox("Fast mode (slightly less secure, not as durable)",&fast).Build()
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giu.Checkbox("Paranoid mode (extremely secure, but slower)",¶noid).Build()
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giu.Row(
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giu.Checkbox("Encode with Reed-Solomon to prevent corruption",&reedsolo),
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giu.Checkbox("Encode with Reed-Solomon to prevent corruption (slow)",&reedsolo),
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giu.Button("?").Size(24,25).OnClick(func(){
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browser.OpenURL("https://bit.ly/3A2V7LR")
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}),
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@ -705,7 +705,7 @@ func onDrop(names []string){
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fin.Read(flags)
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flags,err = rsDecode(rs5,flags)
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if err!=nil{
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_status = "File is corrupt and cannot be decrypted."
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_status = "Input file is corrupt and cannot be decrypted."
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_status_color = color.RGBA{0xff,0x00,0x00,255}
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return
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}
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@ -801,6 +801,7 @@ func work(){
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status = "Starting..."
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// Set some variables
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working = true
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padded := false
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//headerBroken := false
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//reedsoloFixed := 0
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//reedsoloErrors := 0
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@ -911,6 +912,9 @@ func work(){
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stat,_ := os.Stat(inputFile)
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total := stat.Size()
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if mode=="decrypt"{
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total -= 789
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}
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// XChaCha20's max message size is 256 GiB
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if total>256*1073741824{
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@ -970,6 +974,10 @@ func work(){
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if reedsolo{
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flags[3] = 1
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}
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fmt.Println(total,total%1048576>=1048448)
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if total%1048576>=1048448{
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flags[4] = 1
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}
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//fmt.Println("flags:",flags)
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flags = rsEncode(rs5,flags)
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fout.Write(flags)
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@ -1036,6 +1044,7 @@ func work(){
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paranoid = flags[1]==1
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keyfile = flags[2]==1
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reedsolo = flags[3]==1
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padded = flags[4]==1
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salt = make([]byte,48)
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fin.Read(salt)
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@ -1070,7 +1079,7 @@ func work(){
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if keep{
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kept = true
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}else{
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_status = "The header is corrupt and the file cannot be decrypted."
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_status = "The header is corrupt and the input file cannot be decrypted."
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_status_color = color.RGBA{0xff,0x00,0x00,255}
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fin.Close()
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return
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@ -1258,6 +1267,7 @@ func work(){
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//fmt.Println(data[:10])
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}
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chacha20.XORKeyStream(_data,data)
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mac.Write(_data)
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if reedsolo{
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copy(data,_data)
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_data = nil
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@ -1279,15 +1289,14 @@ func work(){
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_data = append(_data,rsEncode(rs128,pad(tmp))...)
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}
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}
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mac.Write(_data)
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}else{
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mac.Write(data)
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if reedsolo{
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copy(_data,data)
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//_data = append(_data,data...)
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data = nil
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fmt.Println(len(_data),len(data))
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if len(_data)==1114112{
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fmt.Println(done,total,padded)
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for i:=0;i<1114112;i+=136{
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tmp := _data[i:i+136]
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tmp,err = rsDecode(rs128,tmp)
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@ -1303,6 +1312,9 @@ func work(){
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return
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}
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}
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if i==1113976&&done+1114112>=int(total)&&padded{
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tmp = unpad(tmp)
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}
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data = append(data,tmp...)
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//fmt.Println(len(data))
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}
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@ -1345,14 +1357,13 @@ func work(){
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}
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}
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tmp = unpad(tmp)
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/*for _,j := range tmp{
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data = append(data,j)
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}*/
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fmt.Println(len(tmp))
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data = append(data,tmp...)
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}
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fmt.Println("data outside loop",len(data))
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_data = make([]byte,len(data))
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}
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mac.Write(data)
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fmt.Println("datac",len(data))
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chacha20.XORKeyStream(_data,data)
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if paranoid{
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@ -1500,7 +1511,7 @@ func work(){
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// If user chose to keep a corrupted/modified file, let them know
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if kept{
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_status = "The input is corrupted and/or modified. Please be careful."
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_status = "The input file is corrupted and/or modified. Please be careful."
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_status_color = color.RGBA{0xff,0xff,0x00,255}
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}else{
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_status = "Completed."
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@ -1516,7 +1527,7 @@ func work(){
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// This function is run if an issue occurs during decryption
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func broken(){
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_status = "The file is either corrupted or intentionally modified."
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_status = "The input file is either corrupted or intentionally modified."
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_status_color = color.RGBA{0xff,0x00,0x00,255}
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if recombine{
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os.Remove(inputFile)
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@ -1536,6 +1547,13 @@ func generateChecksums(file string){
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cs_sha3_256 = ""
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cs_blake2b = ""
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cs_blake2s = ""
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md5_color = color.RGBA{0x10,0x10,0x10,255}
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sha1_color = color.RGBA{0x10,0x10,0x10,255}
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sha256_color = color.RGBA{0x10,0x10,0x10,255}
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sha3_256_color = color.RGBA{0x10,0x10,0x10,255}
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blake2b_color = color.RGBA{0x10,0x10,0x10,255}
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blake2s_color = color.RGBA{0x10,0x10,0x10,255}
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cs_validate = ""
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if md5_selected{
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cs_md5 = "Calculating..."
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@ -1618,6 +1636,8 @@ func generateChecksums(file string){
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if blake2s_selected{
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cs_blake2s = hex.EncodeToString(crc_blake2s.Sum(nil))
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}
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fin.Close()
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giu.Update()
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}
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@ -1819,6 +1839,9 @@ func rsDecode(rs *infectious.FEC,data []byte) ([]byte,error){
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}
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res,err := rs.Decode(nil,tmp)
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if err!=nil{
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if rs.Total()==136{
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return data[:128],err
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}
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return data[:rs.Total()/3],err
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}
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return res,nil
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