Example usage for java.security.cert X509Certificate hasUnsupportedCriticalExtension

Introduction

In this page you can find the example usage for java.security.cert X509Certificate hasUnsupportedCriticalExtension.

Prototype

public boolean hasUnsupportedCriticalExtension();

Source Link

Document

Check if there is a critical extension that is not supported.

Usage

From source file:com.sk89q.mclauncher.security.X509KeyStore.java

/**
 * Check if a server certificate chain is trusted.
 *///from w w  w .ja v  a2  s.  c  o  m
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
    for (X509Certificate cert : chain) {
        cert.checkValidity();
        if (cert.hasUnsupportedCriticalExtension()) {
            throw new CertificateException("Unsupported critical extension found");
        }
    }

    try {
        verify(chain);
    } catch (CertificateVerificationException e) {
        throw new CertificateException("Verification error: " + e.getMessage(), e);
    } catch (CertPathBuilderException e) {
        throw new CertificateException(e.getMessage(), e);
    }
}

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