hardcoresushi/libgocryptfs
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-init: suggest xchacha if we don't have AES accel

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Example on Raspberry Pi 4:

$ ./gocryptfs/gocryptfs -init $(mktemp -d)
Notice: Your CPU does not have AES acceleration. Consider using -xchacha for better performance.
Choose a password for protecting your files.
Password:

https://github.com/rfjakob/gocryptfs/issues/607
This commit is contained in:
Jakob Unterwurzacher 2021-09-28 17:43:36 +02:00
parent c8996d2664
commit e8e3598284
1 changed files with 6 additions and 0 deletions
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6
init_dir.go
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@ -14,6 +14,7 @@ import (
"github.com/rfjakob/gocryptfs/v2/internal/fido2" "github.com/rfjakob/gocryptfs/v2/internal/fido2"
"github.com/rfjakob/gocryptfs/v2/internal/nametransform" "github.com/rfjakob/gocryptfs/v2/internal/nametransform"
"github.com/rfjakob/gocryptfs/v2/internal/readpassword" "github.com/rfjakob/gocryptfs/v2/internal/readpassword"
"github.com/rfjakob/gocryptfs/v2/internal/stupidgcm"
"github.com/rfjakob/gocryptfs/v2/internal/syscallcompat" "github.com/rfjakob/gocryptfs/v2/internal/syscallcompat"
"github.com/rfjakob/gocryptfs/v2/internal/tlog" "github.com/rfjakob/gocryptfs/v2/internal/tlog"
) )
@ -67,6 +68,11 @@ func initDir(args *argContainer) {
tlog.Fatal.Printf("Invalid cipherdir: %v", err) tlog.Fatal.Printf("Invalid cipherdir: %v", err)
os.Exit(exitcodes.CipherDir) os.Exit(exitcodes.CipherDir)
} }
if !args.xchacha && !stupidgcm.CpuHasAES() {
tlog.Info.Printf(tlog.ColorYellow +
"Notice: Your CPU does not have AES acceleration. Consider using -xchacha for better performance." +
tlog.ColorReset)
}
} }
// Choose password for config file // Choose password for config file
if len(args.extpass) == 0 && args.fido2 == "" { if len(args.extpass) == 0 && args.fido2 == "" {