2
2
mirror of https://github.com/octoleo/restic.git synced 2024-12-27 20:45:19 +00:00
restic/internal/selfupdate/verify.go

188 lines
10 KiB
Go
Raw Normal View History

package selfupdate
import (
"bytes"
"fmt"
"golang.org/x/crypto/openpgp"
)
var key = []byte(`
-----BEGIN PGP PUBLIC KEY BLOCK-----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=AV20
-----END PGP PUBLIC KEY BLOCK-----
`)
// GPGVerify checks the authenticity of data by verifying the signature sig,
// which must be ASCII armored (base64). When the signature matches, GPGVerify
// returns true and a nil error.
func GPGVerify(data, sig []byte) (ok bool, err error) {
keyring, err := openpgp.ReadArmoredKeyRing(bytes.NewReader(key))
if err != nil {
fmt.Printf("reading keyring failed")
return false, err
}
_, err = openpgp.CheckArmoredDetachedSignature(keyring, bytes.NewReader(data), bytes.NewReader(sig))
if err != nil {
return false, err
}
return true, nil
}