The TLS Termination Proxy would have access to one or more **TLS certificates** (HTTPS certificates).

Using the **SNI extension** discussed above, the TLS Termination Proxy would check which of the TLS (HTTPS) certificates available it should use for this connection, using the one that matches the domain expected by the client.

In this case, it would use the certificate for `someapp.example.com`.

<img src="/img/deployment/https/https03.svg">

a certificate. This can be handled in various ways:
* `GenerateSecret` may additionally write any signed certificates to disk, with `OUTPUT_CERTS` configured.
* Users may have external CA setups that pre-configure certificates.
* The CaClient can use JWT token for the initial setup, then switch to mTLS certificates.

	// configured expiry and the duration until the certificate itself
	// expires.
	// We must not issue credentials that out-live the certificate.
	if validUntil := time.Until(certificate.NotAfter); validUntil < expiry {
		expiry = validUntil
	}

	// Associate any service accounts to the certificate CN
	parentUser := "tls" + getKeySeparator() + certificate.Subject.CommonName

// password protected.
const EnvCertPassword = "MINIO_CERT_PASSWD"

// ParsePublicCertFile - parses public cert into its *x509.Certificate equivalent.
func ParsePublicCertFile(certFile string) (x509Certs []*x509.Certificate, err error) {
	// Read certificate file.
	var data []byte
	if data, err = os.ReadFile(certFile); err != nil {
		return nil, err
	}

	// Trimming leading and tailing white spaces.

				}
				certificate, err := tls.X509KeyPair(certBytes, keyBytes)
				if err != nil {
					return tls.Certificate{}, fmt.Errorf("Unable to load KES client certificate as specified by the shell environment: %v", err)
				}
				return certificate, nil
			}

	)

	ErrTLSReadError = newErrFn(
		"Cannot read the TLS certificate",
		"Please check if the certificate has the proper owner and read permissions",
		"",
	)

	ErrTLSUnexpectedData = newErrFn(
		"Invalid TLS certificate",
		"Please check your certificate",
		"",
	)

	ErrTLSNoPassword = newErrFn(
		"Missing TLS password",

			Sensitive:   true,
			Secret:      true,
		},
		config.HelpKV{
			Key:         ClientCert,
			Description: "mTLS certificate for webhook authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         ClientKey,
			Description: "mTLS certificate key for webhook authentication",
			Optional:    true,
			Type:        "string",
			Sensitive:   true,
		},

                    final SSLHostConfigCertificate certificate =
                            new SSLHostConfigCertificate(sslHostConfig, SSLHostConfigCertificate.Type.UNDEFINED);
                    doSetupServerConfig(logger, props, "certificateKeystoreFile", v -> certificate.setCertificateKeystoreFile(v));
                    doSetupServerConfig(logger, props, "certificateKeystorePassword", v -> certificate.setCertificateKeystorePassword(v));

	// EnvIdentityTLSSkipVerify is an environment variable that controls whether
	// MinIO verifies the client certificate present by the client
	// when requesting temp. credentials.
	// By default, MinIO always verify the client certificate.
	//
	// The client certificate verification should only be skipped
	// when debugging or testing a setup since it allows arbitrary

		}
		// If all secrets have a trust domain, we are probably dealing with trust domain federation, so print trust domains.
		// Otherwise, do not do that, because we do not know how to determine that information from the certificate,
		// so the output would be confusing.
		if !hasUnknownTrustDomain {
			fmt.Fprintf(tw, "%s\t%s\t%s\t%t\t%s\t%s\t%s\t%s\n",