func VerifySigs()

in mfg/verify.go [200:224]

• 21 lines of code
• 6 McCabe index (conditional complexity)

func VerifySigs(man manifest.MfgManifest, keys []sec.PubSignKey) (int, error) {
	sigs, err := man.SecSigs()
	if err != nil {
		return -1, err
	}

	hash, err := hex.DecodeString(man.MfgHash)
	if err != nil {
		return -1, errors.Wrapf(err,
			"mfg manifest contains invalid hash: %s", man.MfgHash)
	}

	for keyIdx, k := range keys {
		sigIdx, err := sec.VerifySigs(k, sigs, hash)
		if err != nil {
			return -1, errors.Wrapf(err, "failed to verify mfgimg signatures")
		}

		if sigIdx != -1 {
			return keyIdx, nil
		}
	}

	return -1, errors.Errorf("mfg signatures do not match provided keys")
}