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updated message for encryption on upload page

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Rostislav Raykov
2025-03-20 20:58:37 +02:00
parent a9f509405f
commit b603cebe06
1 changed files with 4 additions and 3 deletions
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src/main/java/org/rostislav/quickdrop/service/FileEncryptionService.java
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@@ -22,13 +22,14 @@ public class FileEncryptionService {
private static final String ALGORITHM = "AES/CBC/PKCS5Padding"; private static final String ALGORITHM = "AES/CBC/PKCS5Padding";
private static final String KEY_DERIVATION_ALGORITHM = "PBKDF2WithHmacSHA256"; private static final String KEY_DERIVATION_ALGORITHM = "PBKDF2WithHmacSHA256";
private static final int ITERATION_COUNT = 65536; private static final int ITERATION_COUNT = 65536;
private static final int KEY_LENGTH = 256; private static final int KEY_LENGTH = 128;
public SecretKey generateKeyFromPassword(String password, byte[] salt) public SecretKey generateKeyFromPassword(String password, byte[] salt)
throws NoSuchAlgorithmException, InvalidKeySpecException { throws NoSuchAlgorithmException, InvalidKeySpecException {
PBEKeySpec spec = new PBEKeySpec(password.toCharArray(), salt, ITERATION_COUNT, KEY_LENGTH); PBEKeySpec spec = new PBEKeySpec(password.toCharArray(), salt, ITERATION_COUNT, KEY_LENGTH);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(KEY_DERIVATION_ALGORITHM); SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256");
return new SecretKeySpec(keyFactory.generateSecret(spec).getEncoded(), "AES"); byte[] keyBytes = keyFactory.generateSecret(spec).getEncoded();
return new SecretKeySpec(keyBytes, "AES");
} }
private byte[] generateRandomBytes() { private byte[] generateRandomBytes() {