Function SignStatement

acceptance/attestation/attestation.go:114–128

SignStatement signs the provided statement with the named key. The key needs to be previously generated with the functionality from the crypto package.

(ctx context.Context, keyName string, statement any)

// SignStatement signs the provided statement with the named key. The key needs
// to be previously generated with the functionality from the crypto package.
func SignStatement(ctx context.Context, keyName string, statement any) ([]byte, error) {
	payload, err := json.Marshal(statement)
	if err != nil {
		return nil, err
	}

	signer, err := crypto.SignerWithKey(ctx, keyName)
	if err != nil {
		return nil, err
	}

	dsseSigner := dsse.WrapSigner(signer, types.IntotoPayloadType)

	return dsseSigner.SignMessage(bytes.NewReader(payload), options.WithContext(ctx))
}