libgocryptfs/internal/stupidgcm/without_openssl.go

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// +build without_openssl
package stupidgcm
import (
"fmt"
"os"
"github.com/rfjakob/gocryptfs/internal/exitcodes"
)
type StupidGCM struct{}
const (
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// BuiltWithoutOpenssl indicates if openssl been disabled at compile-time
BuiltWithoutOpenssl = true
)
func errExit() {
fmt.Fprintln(os.Stderr, "gocryptfs has been compiled without openssl support but you are still trying to use openssl")
os.Exit(exitcodes.OpenSSL)
}
func New(_ []byte, _ bool) *StupidGCM {
errExit()
// Never reached
return &StupidGCM{}
}
func (g *StupidGCM) NonceSize() int {
errExit()
return -1
}
func (g *StupidGCM) Overhead() int {
errExit()
return -1
}
func (g *StupidGCM) Seal(_, _, _, _ []byte) []byte {
errExit()
return nil
}
func (g *StupidGCM) Open(_, _, _, _ []byte) ([]byte, error) {
errExit()
return nil, nil
}
func (g *StupidGCM) Wipe() {
errExit()
}