/
main.go
60 lines (49 loc) · 987 Bytes
/
main.go
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// SPDX-FileCopyrightText: 2024 Shun Sakai
//
// SPDX-License-Identifier: Apache-2.0 OR MIT
package main
import (
"flag"
"fmt"
"log"
"os"
"syscall"
"github.com/sorairolake/abcrypt-go"
"github.com/sorairolake/abcrypt-go/examples"
"golang.org/x/term"
)
func main() {
flag.Parse()
args := flag.Args()
if opt.version {
fmt.Printf("abcrypt-go %v\n", examples.Version)
os.Exit(0)
}
if flag.NArg() != 1 {
flag.Usage()
os.Exit(1)
}
ciphertext, err := os.ReadFile(args[0])
if err != nil {
log.Fatal(err)
}
fmt.Print("Enter passphrase: ")
passphrase, err := term.ReadPassword(int(syscall.Stdin))
if err != nil {
log.Fatal(err)
}
fmt.Println()
plaintext, err := abcrypt.Decrypt(ciphertext, passphrase)
if err != nil {
log.Fatal(err)
}
if opt.output == "" {
if _, err := os.Stdout.Write(plaintext); err != nil {
log.Fatal(err)
}
} else {
if err := os.WriteFile(opt.output, plaintext, os.ModeType); err != nil {
log.Fatal(err)
}
}
}