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Fix typo and better size checking

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Evan Su 2022-04-06 16:18:07 -04:00 committed by GitHub
parent 53c7b5caf4
commit 81292c6345
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 6 deletions
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13
src/Picocrypt.go
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@ -2,7 +2,7 @@ package main
/* /*
Picocrypt v1.24 Picocrypt v1.25
Copyright (c) Evan Su (https://evansu.cc) Copyright (c) Evan Su (https://evansu.cc)
Released under a GNU GPL v3 License Released under a GNU GPL v3 License
https://github.com/HACKERALERT/Picocrypt https://github.com/HACKERALERT/Picocrypt
@ -48,7 +48,7 @@ import (
) )
// Generic variables // Generic variables
var version = "v1.24" var version = "v1.25"
var window *giu.MasterWindow var window *giu.MasterWindow
var dpi float32 var dpi float32
var mode string var mode string
@ -926,12 +926,12 @@ func work() {
stat, _ := os.Stat(inputFile) stat, _ := os.Stat(inputFile)
total := stat.Size() total := stat.Size()
if mode == "decrypt" { if mode == "decrypt" {
total -= 786 total -= 789
} }
// XChaCha20's max message size is 256 GiB // XChaCha20's max input is 256 GiB, panic at one block less
if total > 256*1073741824 { if total >= int64((math.Pow(2, 32)-1)*64) {
mainStatus = "The input file is too big to encrypt." mainStatus = "The input data is too big to encrypt."
mainStatusColor = color.RGBA{0xff, 0x00, 0x00, 0xff} mainStatusColor = color.RGBA{0xff, 0x00, 0x00, 0xff}
if len(allFiles) > 1 || len(onlyFolders) > 0 { if len(allFiles) > 1 || len(onlyFolders) > 0 {
os.Remove(inputFile) os.Remove(inputFile)
@ -1041,6 +1041,7 @@ func work() {
tmp, errs[1] = rsDecode(rs5, tmp) tmp, errs[1] = rsDecode(rs5, tmp)
commentsLength, _ := strconv.Atoi(string(tmp)) commentsLength, _ := strconv.Atoi(string(tmp))
fin.Read(make([]byte, commentsLength*3)) fin.Read(make([]byte, commentsLength*3))
total -= int64(commentsLength) * 3
flags := make([]byte, 15) flags := make([]byte, 15)
fin.Read(flags) fin.Read(flags)