mirror of
https://github.com/HACKERALERT/Picocrypt.git
synced 2024-12-27 18:04:21 +00:00
Add features
This commit is contained in:
Evan Su
GitHub
parent
71b03ef7d4
commit
71bd746f9a
1 changed files with 369 additions and 125 deletions
494
src/Picocrypt.go
494
src/Picocrypt.go
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@ -109,6 +109,8 @@ var commentsDisabled bool
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// Advanced options
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var paranoid bool
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var reedsolo bool
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var deniability bool
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var recursively bool
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var split bool
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var splitSize string
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var splitUnits = []string{"KiB", "MiB", "GiB", "TiB", "Total"}
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@ -412,7 +414,7 @@ func draw() {
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),
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giu.Dummy(0, 0),
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giu.Style().SetDisabled(mode == "decrypt" && !keyfile).To(
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giu.Style().SetDisabled(mode == "decrypt" && !keyfile && !deniability).To(
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giu.Row(
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giu.Label("Keyfiles:"),
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giu.Button("Edit").Size(54, 0).OnClick(func() {
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@ -484,16 +486,18 @@ func draw() {
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giu.Checkbox("Paranoid mode", ¶noid),
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giu.Tooltip("Provides the highest level of security attainable."),
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giu.Dummy(-170, 0),
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giu.Checkbox("Compress files", &compress).OnChange(func() {
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if !(len(allFiles) > 1 || len(onlyFolders) > 0) {
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if compress {
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outputFile = filepath.Join(filepath.Dir(outputFile), "Encrypted") + ".zip.pcv"
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} else {
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outputFile = filepath.Join(filepath.Dir(outputFile), filepath.Base(inputFile)) + ".pcv"
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giu.Style().SetDisabled(recursively).To(
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giu.Checkbox("Compress files", &compress).OnChange(func() {
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if !(len(allFiles) > 1 || len(onlyFolders) > 0) {
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if compress {
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outputFile = filepath.Join(filepath.Dir(outputFile), "Encrypted") + ".zip.pcv"
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} else {
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outputFile = filepath.Join(filepath.Dir(outputFile), filepath.Base(inputFile)) + ".pcv"
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}
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}
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}
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}),
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giu.Tooltip("Compress files with Deflate before encrypting."),
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}),
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giu.Tooltip("Compress files with Deflate before encrypting."),
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),
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).Build()
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giu.Row(
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@ -504,6 +508,18 @@ func draw() {
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giu.Tooltip("Delete the input files after encryption."),
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).Build()
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giu.Row(
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giu.Checkbox("Deniability", &deniability),
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giu.Tooltip("Add plausible deniability to the volume."),
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giu.Dummy(-170, 0),
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giu.Style().SetDisabled(!(len(allFiles) > 1 || len(onlyFolders) > 0)).To(
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giu.Checkbox("Recursively", &recursively).OnChange(func() {
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compress = false
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}),
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giu.Tooltip("Encrypt and decrypt recursive files individually."),
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),
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).Build()
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giu.Row(
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giu.Checkbox("Split into chunks:", &split),
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giu.Tooltip("Split the output file into smaller chunks."),
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@ -517,8 +533,10 @@ func draw() {
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).Build()
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} else {
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giu.Row(
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giu.Checkbox("Force decrypt", &keep),
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giu.Tooltip("Override security measures when decrypting."),
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giu.Style().SetDisabled(deniability).To(
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giu.Checkbox("Force decrypt", &keep),
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giu.Tooltip("Override security measures when decrypting."),
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),
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giu.Dummy(-170, 0),
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giu.Checkbox("Delete volume", &delete),
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giu.Tooltip("Delete the volume after a successful decryption."),
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@ -526,77 +544,87 @@ func draw() {
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}
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}),
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giu.Label("Save output as:"),
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giu.Custom(func() {
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w, _ := giu.GetAvailableRegion()
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bw, _ := giu.CalcTextSize("Change")
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p, _ := giu.GetWindowPadding()
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bw += p * 2
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dw := w - bw - p
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giu.Style().SetDisabled(true).To(
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giu.InputText(func() *string {
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tmp := ""
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if outputFile == "" {
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giu.Style().SetDisabled(recursively).To(
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giu.Label("Save output as:"),
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giu.Custom(func() {
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w, _ := giu.GetAvailableRegion()
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bw, _ := giu.CalcTextSize("Change")
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p, _ := giu.GetWindowPadding()
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bw += p * 2
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dw := w - bw - p
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giu.Style().SetDisabled(true).To(
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giu.InputText(func() *string {
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tmp := ""
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if outputFile == "" {
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return &tmp
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}
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tmp = filepath.Base(outputFile)
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if split {
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tmp += ".*"
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}
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if recursively {
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tmp = "(multiple values)"
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}
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return &tmp
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}()).Size(dw / dpi / dpi).Flags(16384),
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).Build()
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giu.SameLine()
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giu.Button("Change").Size(bw/dpi, 0).OnClick(func() {
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f := dialog.File().Title("Choose where to save the output. Don't include extensions.")
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f.SetStartDir(func() string {
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if len(onlyFiles) > 0 {
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return filepath.Dir(onlyFiles[0])
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}
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return filepath.Dir(onlyFolders[0])
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}())
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// Prefill the filename
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tmp := strings.TrimSuffix(filepath.Base(outputFile), ".pcv")
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f.SetInitFilename(strings.TrimSuffix(tmp, filepath.Ext(tmp)))
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if mode == "encrypt" && (len(allFiles) > 1 || len(onlyFolders) > 0 || compress) {
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f.SetInitFilename("Encrypted")
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}
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tmp = filepath.Base(outputFile)
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if split {
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tmp += ".*"
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// Get the chosen file path
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file, err := f.Save()
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if file == "" || err != nil {
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return
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}
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return &tmp
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}()).Size(dw / dpi / dpi).Flags(16384),
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).Build()
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file = filepath.Join(filepath.Dir(file), strings.Split(filepath.Base(file), ".")[0])
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giu.SameLine()
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giu.Button("Change").Size(bw/dpi, 0).OnClick(func() {
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f := dialog.File().Title("Choose where to save the output. Don't include extensions.")
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f.SetStartDir(func() string {
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if len(onlyFiles) > 0 {
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return filepath.Dir(onlyFiles[0])
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}
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return filepath.Dir(onlyFolders[0])
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}())
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// Prefill the filename
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tmp := strings.TrimSuffix(filepath.Base(outputFile), ".pcv")
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f.SetInitFilename(strings.TrimSuffix(tmp, filepath.Ext(tmp)))
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if mode == "encrypt" && (len(allFiles) > 1 || len(onlyFolders) > 0 || compress) {
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f.SetInitFilename("Encrypted")
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}
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// Get the chosen file path
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file, err := f.Save()
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if file == "" || err != nil {
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return
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}
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file = filepath.Join(filepath.Dir(file), strings.Split(filepath.Base(file), ".")[0])
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// Add the correct extensions
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if mode == "encrypt" {
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if len(allFiles) > 1 || len(onlyFolders) > 0 || compress {
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file += ".zip.pcv"
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// Add the correct extensions
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if mode == "encrypt" {
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if len(allFiles) > 1 || len(onlyFolders) > 0 || compress {
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file += ".zip.pcv"
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} else {
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file += filepath.Ext(inputFile) + ".pcv"
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}
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} else {
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file += filepath.Ext(inputFile) + ".pcv"
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if strings.HasSuffix(inputFile, ".zip.pcv") {
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file += ".zip"
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} else {
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tmp := strings.TrimSuffix(filepath.Base(inputFile), ".pcv")
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file += filepath.Ext(tmp)
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}
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}
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} else {
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if strings.HasSuffix(inputFile, ".zip.pcv") {
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file += ".zip"
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} else {
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tmp := strings.TrimSuffix(filepath.Base(inputFile), ".pcv")
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file += filepath.Ext(tmp)
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}
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}
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outputFile = file
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mainStatus = "Ready."
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mainStatusColor = WHITE
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}).Build()
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giu.Tooltip("Save the output with a custom name and path.").Build()
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}),
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outputFile = file
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mainStatus = "Ready."
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mainStatusColor = WHITE
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}).Build()
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giu.Tooltip("Save the output with a custom name and path.").Build()
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}),
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),
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giu.Dummy(0, 0),
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giu.Separator(),
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giu.Dummy(0, 0),
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giu.Button(startLabel).Size(giu.Auto, 34).OnClick(func() {
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giu.Button(func() string {
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if !recursively {
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return startLabel
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}
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return "Work"
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}()).Size(giu.Auto, 34).OnClick(func() {
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if keyfile && keyfiles == nil {
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mainStatus = "Please select your keyfiles."
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mainStatusColor = RED
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@ -623,7 +651,7 @@ func draw() {
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}
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// If files already exist, show the overwrite modal
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if err == nil {
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if err == nil && !recursively {
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showOverwrite = true
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modalId++
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giu.Update()
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@ -633,12 +661,64 @@ func draw() {
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canCancel = true
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modalId++
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giu.Update()
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go func() {
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work()
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working = false
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showProgress = false
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giu.Update()
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}()
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if !recursively {
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go func() {
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work()
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working = false
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showProgress = false
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giu.Update()
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}()
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} else {
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// Store variables as they will be cleared
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oldPassword := password
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oldKeyfile := keyfile
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oldKeyfiles := keyfiles
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oldKeyfileOrdered := keyfileOrdered
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oldKeyfileLabel := keyfileLabel
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oldComments := comments
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oldParanoid := paranoid
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oldReedsolo := reedsolo
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oldDeniability := deniability
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oldSplit := split
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oldSplitSize := splitSize
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oldSplitSelected := splitSelected
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oldDelete := delete
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files := allFiles
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go func() {
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for _, file := range files {
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// Simulate dropping the file
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onDrop([]string{file})
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// Restore variables and options
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password = oldPassword
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cpassword = oldPassword
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keyfile = oldKeyfile
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keyfiles = oldKeyfiles
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keyfileOrdered = oldKeyfileOrdered
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keyfileLabel = oldKeyfileLabel
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comments = oldComments
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paranoid = oldParanoid
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reedsolo = oldReedsolo
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deniability = oldDeniability
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split = oldSplit
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splitSize = oldSplitSize
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splitSelected = oldSplitSelected
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delete = oldDelete
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work()
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if !working {
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resetUI()
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cancel(nil, nil)
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showProgress = false
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giu.Update()
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return
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}
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}
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working = false
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showProgress = false
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giu.Update()
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}()
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}
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}
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}),
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giu.Style().SetColor(giu.StyleColorText, mainStatusColor).To(
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@ -771,59 +851,58 @@ func onDrop(names []string) {
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return
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}
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// Use regex to test if the input is a valid Picocrypt volume
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// Check if version can be read from header
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tmp := make([]byte, 15)
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fin.Read(tmp)
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tmp, err = rsDecode(rs5, tmp)
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if valid, _ := regexp.Match(`^v1\.\d{2}`, tmp); !valid || err != nil {
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resetUI()
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mainStatus = "This doesn't seem like a Picocrypt volume."
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mainStatusColor = RED
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// Volume has plausible deniability
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deniability = true
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mainStatus = "Can't read header, assuming volume is deniable."
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fin.Close()
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return
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}
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// Read comments from file and check for corruption
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tmp = make([]byte, 15)
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fin.Read(tmp)
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tmp, err = rsDecode(rs5, tmp)
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if err == nil {
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commentsLength, _ := strconv.Atoi(string(tmp))
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tmp = make([]byte, commentsLength*3)
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} else {
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// Read comments from file and check for corruption
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tmp = make([]byte, 15)
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fin.Read(tmp)
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comments = ""
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for i := 0; i < commentsLength*3; i += 3 {
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t, err := rsDecode(rs1, tmp[i:i+3])
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if err != nil {
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comments = "Comments are corrupted."
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break
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tmp, err = rsDecode(rs5, tmp)
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if err == nil {
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commentsLength, _ := strconv.Atoi(string(tmp))
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tmp = make([]byte, commentsLength*3)
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fin.Read(tmp)
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comments = ""
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for i := 0; i < commentsLength*3; i += 3 {
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t, err := rsDecode(rs1, tmp[i:i+3])
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if err != nil {
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comments = "Comments are corrupted."
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break
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}
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comments += string(t)
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}
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comments += string(t)
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} else {
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comments = "Comments are corrupted."
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}
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} else {
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comments = "Comments are corrupted."
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}
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// Read flags from file and check for corruption
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flags := make([]byte, 15)
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fin.Read(flags)
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fin.Close()
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flags, err = rsDecode(rs5, flags)
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if err != nil {
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mainStatus = "The volume header is damaged."
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mainStatusColor = RED
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return
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}
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// Read flags from file and check for corruption
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flags := make([]byte, 15)
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fin.Read(flags)
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fin.Close()
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flags, err = rsDecode(rs5, flags)
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if err != nil {
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mainStatus = "The volume header is damaged."
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mainStatusColor = RED
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return
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}
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// Update UI and variables according to flags
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if flags[1] == 1 {
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keyfile = true
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keyfileLabel = "Keyfiles required."
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} else {
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keyfileLabel = "Not applicable."
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}
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if flags[2] == 1 {
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keyfileOrdered = true
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// Update UI and variables according to flags
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if flags[1] == 1 {
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keyfile = true
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keyfileLabel = "Keyfiles required."
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} else {
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keyfileLabel = "Not applicable."
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}
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if flags[2] == 1 {
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keyfileOrdered = true
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}
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}
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} else { // One file was dropped for encryption
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mode = "encrypt"
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@ -1087,6 +1166,85 @@ func work() {
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inputFile = outputFile + ".pcv"
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}
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// Input volume has plausible deniability
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if mode == "decrypt" && deniability {
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popupStatus = "Removing deniability protection..."
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progressInfo = ""
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progress = 0
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canCancel = false
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giu.Update()
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// Get size of volume for showing progress
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stat, _ := os.Stat(inputFile)
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total := stat.Size()
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// Rename input volume to free up the filename
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fin, _ := os.Open(inputFile)
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for strings.HasSuffix(inputFile, ".tmp") {
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inputFile = strings.TrimSuffix(inputFile, ".tmp")
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}
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inputFile += ".tmp"
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fout, _ := os.Create(inputFile)
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// Get the Argon2 salt and XChaCha20 nonce from input volume
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salt := make([]byte, 16)
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nonce := make([]byte, 24)
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fin.Read(salt)
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fin.Read(nonce)
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// Generate key and XChaCha20
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key := argon2.IDKey([]byte(password), salt, 4, 1<<20, 4, 32)
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chacha, _ := chacha20.NewUnauthenticatedCipher(key, nonce)
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// Decrypt the entire volume
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done, counter := 0, 0
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for {
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src := make([]byte, MiB)
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size, err := fin.Read(src)
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if err != nil {
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break
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}
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src = src[:size]
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dst := make([]byte, len(src))
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chacha.XORKeyStream(dst, src)
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fout.Write(dst)
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// Update stats
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done += size
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counter += MiB
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progress = float32(float64(done) / float64(total))
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giu.Update()
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// Change nonce after 60 GiB to prevent overflow
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if counter >= 60*GiB {
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tmp := sha3.New256()
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tmp.Write(nonce)
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nonce = tmp.Sum(nil)[:24]
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chacha, _ = chacha20.NewUnauthenticatedCipher(key, nonce)
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counter = 0
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}
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}
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fin.Close()
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fout.Close()
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// Check if the version can be read from the volume
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fin, _ = os.Open(inputFile)
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tmp := make([]byte, 15)
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fin.Read(tmp)
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fin.Close()
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tmp, err := rsDecode(rs5, tmp)
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if valid, _ := regexp.Match(`^v1\.\d{2}`, tmp); !valid || err != nil {
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os.Remove(inputFile)
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inputFile = strings.TrimSuffix(inputFile, ".tmp")
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broken(nil, nil, "Password is incorrect or the file is not a volume.", true)
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||||
if recombine {
|
||||
inputFile = inputFileOld
|
||||
}
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
canCancel = false
|
||||
progress = 0
|
||||
progressInfo = ""
|
||||
|
|
@ -1232,6 +1390,10 @@ func work() {
|
|||
paranoid = flags[0] == 1
|
||||
reedsolo = flags[3] == 1
|
||||
padded = flags[4] == 1
|
||||
if deniability {
|
||||
keyfile = flags[1] == 1
|
||||
keyfileOrdered = flags[2] == 1
|
||||
}
|
||||
|
||||
salt = make([]byte, 48)
|
||||
fin.Read(salt)
|
||||
|
|
@ -1365,7 +1527,7 @@ func work() {
|
|||
keyCorrect := subtle.ConstantTimeCompare(keyHash, keyHashRef) == 1
|
||||
keyfileCorrect := subtle.ConstantTimeCompare(keyfileHash, keyfileHashRef) == 1
|
||||
incorrect := !keyCorrect
|
||||
if keyfile {
|
||||
if keyfile || len(keyfiles) > 0 {
|
||||
incorrect = !keyCorrect || !keyfileCorrect
|
||||
}
|
||||
|
||||
|
|
@ -1382,8 +1544,16 @@ func work() {
|
|||
} else {
|
||||
mainStatus = "Incorrect keyfiles."
|
||||
}
|
||||
if deniability {
|
||||
fin.Close()
|
||||
os.Remove(inputFile)
|
||||
inputFile = strings.TrimSuffix(inputFile, ".tmp")
|
||||
}
|
||||
}
|
||||
broken(fin, nil, mainStatus, true)
|
||||
if recombine {
|
||||
inputFile = inputFileOld
|
||||
}
|
||||
return
|
||||
}
|
||||
}
|
||||
|
|
@ -1648,6 +1818,69 @@ func work() {
|
|||
fin.Close()
|
||||
fout.Close()
|
||||
|
||||
// Add plausible deniability
|
||||
if mode == "encrypt" && deniability {
|
||||
popupStatus = "Adding plausible deniability..."
|
||||
canCancel = false
|
||||
giu.Update()
|
||||
|
||||
// Get size of volume for showing progress
|
||||
stat, _ := os.Stat(fout.Name())
|
||||
total := stat.Size()
|
||||
|
||||
// Rename the output volume to free up the filename
|
||||
os.Rename(fout.Name(), fout.Name()+".tmp")
|
||||
fin, _ := os.Open(fout.Name() + ".tmp")
|
||||
fout, _ := os.Create(fout.Name())
|
||||
|
||||
// Use a random Argon2 salt and XChaCha20 nonce
|
||||
salt := make([]byte, 16)
|
||||
nonce := make([]byte, 24)
|
||||
rand.Read(salt)
|
||||
rand.Read(nonce)
|
||||
fout.Write(salt)
|
||||
fout.Write(nonce)
|
||||
|
||||
// Generate key and XChaCha20
|
||||
key := argon2.IDKey([]byte(password), salt, 4, 1<<20, 4, 32)
|
||||
chacha, _ := chacha20.NewUnauthenticatedCipher(key, nonce)
|
||||
|
||||
// Encrypt the entire volume
|
||||
done, counter := 0, 0
|
||||
for {
|
||||
src := make([]byte, MiB)
|
||||
size, err := fin.Read(src)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
src = src[:size]
|
||||
dst := make([]byte, len(src))
|
||||
chacha.XORKeyStream(dst, src)
|
||||
fout.Write(dst)
|
||||
|
||||
// Update stats
|
||||
done += size
|
||||
counter += MiB
|
||||
progress = float32(float64(done) / float64(total))
|
||||
giu.Update()
|
||||
|
||||
// Change nonce after 60 GiB to prevent overflow
|
||||
if counter >= 60*GiB {
|
||||
tmp := sha3.New256()
|
||||
tmp.Write(nonce)
|
||||
nonce = tmp.Sum(nil)[:24]
|
||||
chacha, _ = chacha20.NewUnauthenticatedCipher(key, nonce)
|
||||
counter = 0
|
||||
}
|
||||
}
|
||||
|
||||
fin.Close()
|
||||
fout.Close()
|
||||
os.Remove(fin.Name())
|
||||
canCancel = true
|
||||
giu.Update()
|
||||
}
|
||||
|
||||
// Split the file into chunks
|
||||
if split {
|
||||
var splitted []string
|
||||
|
|
@ -1764,6 +1997,9 @@ func work() {
|
|||
// Delete temporary files used during encryption and decryption
|
||||
if recombine || len(allFiles) > 1 || len(onlyFolders) > 0 || compress {
|
||||
os.Remove(inputFile)
|
||||
if deniability {
|
||||
os.Remove(strings.TrimSuffix(inputFile, ".tmp"))
|
||||
}
|
||||
}
|
||||
|
||||
// Delete the input files if the user chooses
|
||||
|
|
@ -1784,6 +2020,9 @@ func work() {
|
|||
}
|
||||
} else {
|
||||
os.Remove(inputFile)
|
||||
if deniability {
|
||||
os.Remove(strings.TrimSuffix(inputFile, ".tmp"))
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for _, i := range onlyFiles {
|
||||
|
|
@ -1794,6 +2033,9 @@ func work() {
|
|||
}
|
||||
}
|
||||
}
|
||||
if mode == "decrypt" && deniability {
|
||||
os.Remove(inputFile)
|
||||
}
|
||||
|
||||
// All done, reset the UI
|
||||
oldKept := kept
|
||||
|
|
@ -1884,6 +2126,8 @@ func resetUI() {
|
|||
|
||||
paranoid = false
|
||||
reedsolo = false
|
||||
deniability = false
|
||||
recursively = false
|
||||
split = false
|
||||
splitSize = ""
|
||||
splitSelected = 1
|
||||
|
|
@ -2013,7 +2257,7 @@ func sizeify(size int64) string {
|
|||
|
||||
func main() {
|
||||
// Create the main window
|
||||
window = giu.NewMasterWindow("Picocrypt", 318, 479, giu.MasterWindowFlagsNotResizable)
|
||||
window = giu.NewMasterWindow("Picocrypt", 318, 507, giu.MasterWindowFlagsNotResizable)
|
||||
|
||||
// Start the dialog module
|
||||
dialog.Init()
|
||||
|
|
|
|||
Loading…
Reference in a new issue