TlsUtils.addSignatureAlgorithmsExtension(clientExtensions, supportedSignatureAlgorithms);
TlsUtils.addSignatureAlgorithmsExtension(clientExtensions, supportedSignatureAlgorithms);
TlsUtils.addSignatureAlgorithmsExtension(clientExtensions, supportedSignatureAlgorithms);
TlsUtils.addSignatureAlgorithmsExtension(clientExtensions, supportedSignatureAlgorithms);