}

	for testNo, test := range tests {
		sigAlg, err := selectSignatureScheme(test.tlsVersion, test.cert, test.peerSigAlgs)
		if err != nil {
			t.Errorf("test[%d]: unexpected selectSignatureScheme error: %v", testNo, err)
		}
		if test.expectedSigAlg != sigAlg {

			}
		}
		return filteredSigAlgs
	}
	return sigAlgs
}

// selectSignatureScheme picks a SignatureScheme from the peer's preference list
// that works with the selected certificate. It's only called for protocol
// versions that support signature algorithms, so TLS 1.2 and 1.3.
func selectSignatureScheme(vers uint16, c *Certificate, peerAlgs []SignatureScheme) (SignatureScheme, error) {

	}

	var signatureAlgorithm SignatureScheme
	var sigType uint8
	var sigHash crypto.Hash
	if ka.version >= VersionTLS12 {
		signatureAlgorithm, err = selectSignatureScheme(ka.version, cert, clientHello.supportedSignatureAlgorithms)
		if err != nil {
			return nil, err
		}
		sigType, sigHash, err = typeAndHashFromSignatureScheme(signatureAlgorithm)
		if err != nil {

	if len(cert.Certificate) == 0 {
		return nil
	}

	certVerifyMsg := new(certificateVerifyMsg)
	certVerifyMsg.hasSignatureAlgorithm = true

	certVerifyMsg.signatureAlgorithm, err = selectSignatureScheme(c.vers, cert, hs.certReq.supportedSignatureAlgorithms)
	if err != nil {
		// getClientCertificate returned a certificate incompatible with the
		// CertificateRequestInfo supported signature algorithms.

	if err != nil {
		if err == errNoCertificates {
			c.sendAlert(alertUnrecognizedName)
		} else {
			c.sendAlert(alertInternalError)
		}
		return err
	}
	hs.sigAlg, err = selectSignatureScheme(c.vers, certificate, hs.clientHello.supportedSignatureAlgorithms)
	if err != nil {
		// getCertificate returned a certificate that is unsupported or
		// incompatible with the client's signature algorithms.

	}

	// If the client sent the signature_algorithms extension, ensure it supports
	// schemes we can use with this certificate and TLS version.
	if len(chi.SignatureSchemes) > 0 {
		if _, err := selectSignatureScheme(vers, c, chi.SignatureSchemes); err != nil {
			return supportsRSAFallback(err)
		}
	}

	// In TLS 1.3 we are done because supported_groups is only relevant to the

		}

		var sigType uint8
		var sigHash crypto.Hash
		if c.vers >= VersionTLS12 {
			signatureAlgorithm, err := selectSignatureScheme(c.vers, chainToSend, certReq.supportedSignatureAlgorithms)
			if err != nil {
				c.sendAlert(alertIllegalParameter)
				return err
			}