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serega6531
2020-10-15 02:09:28 +03:00
parent c2c550881f
commit 2804203868
3 changed files with 9 additions and 16 deletions
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5
src/main/java/ru/serega6531/packmate/service/PatternMatcher.java
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@@ -101,8 +101,9 @@ public class PatternMatcher {
}
private void addIfPossible(FoundPattern found) {
if (result.stream().noneMatch(match -> between(match.getStartPosition(), match.getEndPosition(), found.getStartPosition()) ||
between(match.getStartPosition(), match.getEndPosition(), found.getEndPosition()))) {
if (result.stream().noneMatch(match ->
between(match.getStartPosition(), match.getEndPosition(), found.getStartPosition()) ||
between(match.getStartPosition(), match.getEndPosition(), found.getEndPosition()))) {
result.add(found);
}
}

13
src/main/java/ru/serega6531/packmate/service/optimization/TlsDecryptor.java
View File

@@ -50,7 +50,7 @@ import java.util.regex.Pattern;
@RequiredArgsConstructor
public class TlsDecryptor {
private static final Pattern cipherSuitePattern = Pattern.compile("TLS_RSA_WITH_([A-Z0-9_]+)_([A-Z0-9]+)");
private static final Pattern cipherSuitePattern = Pattern.compile("TLS_RSA_WITH_([A-Z0-9_]+)_[A-Z0-9]+");
private final List<Packet> packets;
private final RsaKeysHolder keysHolder;
@@ -91,24 +91,23 @@ public class TlsDecryptor {
Matcher matcher = cipherSuitePattern.matcher(cipherSuite.name());
//noinspection ResultOfMethodCallIgnored
matcher.find();
String blockCipher = matcher.group(1); //TODO использовать не только AES256
String hashAlgo = matcher.group(2);
String blockCipher = matcher.group(1);
clientRandom = clientHello.getRandom();
serverRandom = serverHello.getRandom();
decryptTlsRsa(blockCipher, hashAlgo);
decryptTlsRsa(blockCipher);
}
}
@SneakyThrows
private void decryptTlsRsa(String blockCipher, String hashAlgo) {
private void decryptTlsRsa(String blockCipher) {
String[] blockCipherParts = blockCipher.split("_");
String blockCipherAlgo = blockCipherParts[0];
int blockCipherSize = Integer.parseInt(blockCipherParts[1]);
String blockCipherMode = blockCipherParts[2];
if (!blockCipherAlgo.equals("AES")) {
if (!blockCipherAlgo.equals("AES")) { //TODO использовать не только AES256
return;
}
@@ -141,7 +140,7 @@ public class TlsDecryptor {
TlsSecret masterSecret = preMaster.deriveUsingPRF(
PRFAlgorithm.tls_prf_sha256, ExporterLabel.master_secret, randomCS, 48);
byte[] expanded = masterSecret.deriveUsingPRF(
PRFAlgorithm.tls_prf_sha256, ExporterLabel.key_expansion, randomSC, 72 + keyLength * 2).extract(); // для sha256
PRFAlgorithm.tls_prf_sha256, ExporterLabel.key_expansion, randomSC, 72 + keyLength * 2).extract();
byte[] clientMacKey = new byte[20];
byte[] serverMacKey = new byte[20];