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Code Issues Releases Wiki Activity

Cipher debugging

This commit is contained in:
M66B 2022-02-23 15:45:51 +01:00
parent 778d661419
commit ebab1f0299
1 changed files with 50 additions and 40 deletions
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90
app/src/main/java/eu/faircode/email/Log.java
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@ -2699,57 +2699,67 @@ public class Log {
static SpannableStringBuilder getCiphers() {
SpannableStringBuilder ssb = new SpannableStringBuilderEx();
try {
TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init((KeyStore) null);
for (String protocol : new String[]{"SSL", "TLS"})
try {
int begin = ssb.length();
ssb.append("Protocol: ").append(protocol);
ssb.setSpan(new StyleSpan(Typeface.BOLD), begin, ssb.length(), 0);
ssb.append("\r\n\r\n");
ssb.append("Provider: ").append(tmf.getProvider().getName()).append("\r\n");
ssb.append("Algorithm: ").append(tmf.getAlgorithm()).append("\r\n");
TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init((KeyStore) null);
TrustManager[] tms = tmf.getTrustManagers();
if (tms != null)
for (TrustManager tm : tms)
ssb.append("Manager: ").append(tm.getClass().getName()).append("\r\n");
ssb.append("Provider: ").append(tmf.getProvider().getName()).append("\r\n");
ssb.append("Algorithm: ").append(tmf.getAlgorithm()).append("\r\n");
SSLContext sslContext = SSLContext.getInstance("TLS");
TrustManager[] tms = tmf.getTrustManagers();
if (tms != null)
for (TrustManager tm : tms)
ssb.append("Manager: ").append(tm.getClass().getName()).append("\r\n");
ssb.append("Context: ").append(sslContext.getProtocol()).append("\r\n\r\n");
SSLContext sslContext = SSLContext.getInstance(protocol);
sslContext.init(null, tmf.getTrustManagers(), null);
SSLSocket socket = (SSLSocket) sslContext.getSocketFactory().createSocket();
ssb.append("Context: ").append(sslContext.getProtocol()).append("\r\n\r\n");
List<String> protocols = new ArrayList<>();
protocols.addAll(Arrays.asList(socket.getEnabledProtocols()));
sslContext.init(null, tmf.getTrustManagers(), null);
SSLSocket socket = (SSLSocket) sslContext.getSocketFactory().createSocket();
for (String p : socket.getSupportedProtocols()) {
boolean enabled = protocols.contains(p);
int start = ssb.length();
ssb.append(p);
if (!enabled)
ssb.setSpan(new StrikethroughSpan(), start, ssb.length(), 0);
ssb.append("\r\n");
}
ssb.append("\r\n");
List<String> protocols = new ArrayList<>();
protocols.addAll(Arrays.asList(socket.getEnabledProtocols()));
List<String> ciphers = new ArrayList<>();
ciphers.addAll(Arrays.asList(socket.getEnabledCipherSuites()));
for (String c : socket.getSupportedCipherSuites()) {
boolean enabled = ciphers.contains(c);
if (!enabled)
ssb.append('(');
int start = ssb.length();
ssb.append(c);
if (!enabled) {
ssb.setSpan(new StrikethroughSpan(), start, ssb.length(), 0);
ssb.append(')');
for (String p : socket.getSupportedProtocols()) {
boolean enabled = protocols.contains(p);
if (!enabled)
ssb.append('(');
int start = ssb.length();
ssb.append(p);
if (!enabled) {
ssb.setSpan(new StrikethroughSpan(), start, ssb.length(), 0);
ssb.append(')');
}
ssb.append("\r\n");
}
ssb.append("\r\n");
List<String> ciphers = new ArrayList<>();
ciphers.addAll(Arrays.asList(socket.getEnabledCipherSuites()));
for (String c : socket.getSupportedCipherSuites()) {
boolean enabled = ciphers.contains(c);
if (!enabled)
ssb.append('(');
int start = ssb.length();
ssb.append(c);
if (!enabled) {
ssb.setSpan(new StrikethroughSpan(), start, ssb.length(), 0);
ssb.append(')');
}
ssb.append("\r\n");
}
ssb.append("\r\n");
} catch (Throwable ex) {
ssb.append(ex.toString());
}
ssb.append("\r\n");
} catch (Throwable ex) {
ssb.append(ex.toString());
}
ssb.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), 0, ssb.length(), 0);