libgocryptfs/info.go
Jakob Unterwurzacher c8996d2664 -info: add contentEncryption
Example:

$ ./gocryptfs -info ./tests/example_filesystems/v2.2-xchacha/
Creator:           gocryptfs v2.1-27-gabaa129-dirty.xchacha
FeatureFlags:      HKDF XChaCha20Poly1305 DirIV EMENames LongNames Raw64
EncryptedKey:      64B
ScryptObject:      Salt=32B N=1024 R=8 P=1 KeyLen=32
contentEncryption: XChaCha20-Poly1305
2021-09-28 18:09:31 +02:00

31 lines
964 B
Go

package main
import (
"fmt"
"os"
"strings"
"github.com/rfjakob/gocryptfs/v2/internal/configfile"
"github.com/rfjakob/gocryptfs/v2/internal/exitcodes"
)
// info pretty-prints the contents of the config file at "filename" for human
// consumption, stripping out sensitive data.
// This is called when you pass the "-info" option.
func info(filename string) {
cf, err := configfile.Load(filename)
if err != nil {
fmt.Printf("Loading config file failed: %v\n", err)
os.Exit(exitcodes.LoadConf)
}
s := cf.ScryptObject
algo, _ := cf.ContentEncryption()
// Pretty-print
fmt.Printf("Creator: %s\n", cf.Creator)
fmt.Printf("FeatureFlags: %s\n", strings.Join(cf.FeatureFlags, " "))
fmt.Printf("EncryptedKey: %dB\n", len(cf.EncryptedKey))
fmt.Printf("ScryptObject: Salt=%dB N=%d R=%d P=%d KeyLen=%d\n",
len(s.Salt), s.N, s.R, s.P, s.KeyLen)
fmt.Printf("contentEncryption: %s\n", algo.Algo) // lowercase because not in JSON
}