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MAIN CODE PUSHED ON MASTER BRANCH - NEED TO WORK ON ENCRYPTION AND DECRYPTION

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Sonali2109
2025-04-17 22:28:47 +05:30
parent 45b4ac7208
commit 5cd396951d
18 changed files with 408 additions and 132 deletions
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src/main/java/com/skycrate/backend/skycrateBackend/utils/KeyUtil.java
+22 -9
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@@ -3,24 +3,37 @@ package com.skycrate.backend.skycrateBackend.utils;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.KeyFactory;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.*;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
public class KeyUtil {
public static PrivateKey getPrivateKeyForUser(String username) throws Exception {
Path path = Paths.get("keys", username + "_private.key");
byte[] bytes = Files.readAllBytes(path);
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(bytes);
return KeyFactory.getInstance("RSA").generatePrivate(keySpec);
public static void generateAndStoreKeyPair(String username) throws Exception {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
keyPairGenerator.initialize(2048); // Key size
KeyPair keyPair = keyPairGenerator.generateKeyPair();
// Store the public key
Path publicKeyPath = Paths.get("C:\\Users\\sonal\\OneDrive\\Desktop\\SkyCrate\\Skycrate\\keys", username + "_public.key");
Files.write(publicKeyPath, keyPair.getPublic().getEncoded());
// Store the private key
Path privateKeyPath = Paths.get("C:\\Users\\sonal\\OneDrive\\Desktop\\SkyCrate\\Skycrate\\keys", username + "_private.key");
Files.write(privateKeyPath, keyPair.getPrivate().getEncoded());
}
public static PublicKey getPublicKeyForUser(String username) throws Exception {
Path path = Paths.get("keys", username + "_public.key");
Path path = Paths.get("C:\\Users\\sonal\\OneDrive\\Desktop\\SkyCrate\\Skycrate\\keys", username + "_public.key");
byte[] bytes = Files.readAllBytes(path);
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(bytes);
return KeyFactory.getInstance("RSA").generatePublic(keySpec);
}
public static PrivateKey getPrivateKeyForUser(String username) throws Exception {
Path path = Paths.get("C:\\Users\\sonal\\OneDrive\\Desktop\\SkyCrate\\Skycrate\\keys", username + "_private.key");
byte[] bytes = Files.readAllBytes(path);
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(bytes);
return KeyFactory.getInstance("RSA").generatePrivate(keySpec);
}
}