JaehaerysNL/Picocrypt
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Reed-Solomon bug fix

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Evan Su 2021-08-05 21:03:57 -04:00 committed by GitHub
parent aca5b35cdd
commit 63554a0ba5
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 7 deletions
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20
src/unstable/Picocrypt.go
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@ -31,12 +31,12 @@ import (
"strconv" "strconv"
"runtime" "runtime"
"net/http" "net/http"
"runtime/debug"
"image/png" "image/png"
"image/color" "image/color"
"archive/zip" "archive/zip"
"encoding/hex" "encoding/hex"
"path/filepath" "path/filepath"
"runtime/debug"
// Cryptography // Cryptography
"crypto/rand" "crypto/rand"
@ -1253,9 +1253,9 @@ func work(){
if mode=="encrypt"{ if mode=="encrypt"{
if paranoid{ if paranoid{
serpentCTR.XORKeyStream(_data,data) serpentCTR.XORKeyStream(_data,data)
fmt.Println(_data[:10]) //fmt.Println(_data[:10])
copy(data,_data) copy(data,_data)
fmt.Println(data[:10]) //fmt.Println(data[:10])
} }
chacha20.XORKeyStream(_data,data) chacha20.XORKeyStream(_data,data)
if reedsolo{ if reedsolo{
@ -1269,7 +1269,7 @@ func work(){
} }
}else{ }else{
chunks := math.Floor(float64(len(data))/128) chunks := math.Floor(float64(len(data))/128)
fmt.Println("chunks",chunks) //fmt.Println("chunks",chunks)
for i:=0;float64(i)<chunks;i++{ for i:=0;float64(i)<chunks;i++{
tmp := data[i*128:(i+1)*128] tmp := data[i*128:(i+1)*128]
tmp = rsEncode(rs128,tmp) tmp = rsEncode(rs128,tmp)
@ -1284,8 +1284,9 @@ func work(){
mac.Write(data) mac.Write(data)
if reedsolo{ if reedsolo{
copy(_data,data) copy(_data,data)
//_data = append(_data,data...)
data = nil data = nil
//fmt.Println(len(_data)) fmt.Println(len(_data),len(data))
if len(_data)==1114112{ if len(_data)==1114112{
for i:=0;i<1114112;i+=136{ for i:=0;i<1114112;i+=136{
tmp := _data[i:i+136] tmp := _data[i:i+136]
@ -1303,7 +1304,9 @@ func work(){
} }
} }
data = append(data,tmp...) data = append(data,tmp...)
//fmt.Println(len(data))
} }
//fmt.Println("data inside loop",len(data))
}else{ }else{
chunks := len(_data)/136-1 chunks := len(_data)/136-1
//fmt.Println("chunks",chunks) //fmt.Println("chunks",chunks)
@ -1347,16 +1350,19 @@ func work(){
}*/ }*/
data = append(data,tmp...) data = append(data,tmp...)
} }
fmt.Println("data outside loop",len(data))
_data = make([]byte,len(data))
} }
fmt.Println("datac",len(data))
chacha20.XORKeyStream(_data,data) chacha20.XORKeyStream(_data,data)
fmt.Println("datac",len(_data))
if paranoid{ if paranoid{
copy(data,_data) copy(data,_data)
serpentCTR.XORKeyStream(_data,data) serpentCTR.XORKeyStream(_data,data)
} }
} }
fmt.Println("=========")
fmt.Println("data",len(_data)) fmt.Println("data",len(_data))
fmt.Println("=========")
fout.Write(_data) fout.Write(_data)
// Update statistics // Update statistics