Расшифровка TLS

src/main/java/ru/serega6531/packmate/service/optimization/RsaKeysHolder.java

@@ -0,0 +1,35 @@
+package ru.serega6531.packmate.service.optimization;
+
+import org.springframework.stereotype.Service;
+import ru.serega6531.packmate.utils.TlsUtils;
+
+import javax.net.ssl.X509KeyManager;
+import java.io.File;
+import java.math.BigInteger;
+import java.security.interfaces.RSAPrivateKey;
+import java.util.HashMap;
+import java.util.Map;
+
+@Service
+public class RsaKeysHolder {
+
+    // Key: N from RSA public key
+    private final Map<BigInteger, RSAPrivateKey> keys = new HashMap<>();
+
+    public void addKey(File pemFile, File keyFile) {
+        if(!pemFile.exists() || !keyFile.exists()) {
+            throw new IllegalArgumentException("One of files does not exist");
+        }
+
+        X509KeyManager keyManager = TlsUtils.createKeyManager(pemFile, keyFile);
+
+//        X509Certificate[] certificateChain = keyManager.getCertificateChain("1");
+        RSAPrivateKey privateKey = ((RSAPrivateKey) keyManager.getPrivateKey("1"));
+        keys.put(privateKey.getModulus(), privateKey);
+    }
+
+    public RSAPrivateKey getKey(BigInteger modulus) {
+        return keys.get(modulus);
+    }
+
+}