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Update Factories.java (#40)

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Xiao
2026-07-14 15:46:49 -04:00
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parent f54b14cc9c
commit 999c99f166
1 changed files with 44 additions and 7 deletions
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src/main/java/de/caydenno1/xacrypto/zekerrijndael/Factories.java
+44 -7
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@@ -23,19 +23,56 @@ public class Factories {
public static de.caydenno1.xacrypto.zekerrijndael.GCM.GCM SerpentGCM(byte[] key) throws XACryptoException { return new SerpentGCM(key); }
}
private static volatile boolean ecbOptIn = false;
/**
* Enables the use of ECB mode.
*
* <p><strong>Warning:</strong> ECB mode is insecure for
* almost all applications because identical plaintext blocks
* produce identical ciphertext blocks, leaking data patterns.
*
* <p>This method exists solely for backwards compatibility.
* Prefer {@link Factories.GCM} or another secure encryption mode.
* The contributor that has written this wishes to remain anonymous.
*/
public static void allowInsecureECB() {
ecbOptIn = true;
}
private static void checkECBenabled() throws XACryptoException {
if (!ecbOptIn) {
throw new XACryptoException(
"ECB mode is not secure because it can leak data patterns. Call Factories.allowInsecureECB() before using ECB."
);
}
}
/**
* Provides ECB mode cipher factories.
*
* <p><strong>Warning:</strong> ECB mode is insecure because identical
* plaintext blocks produce identical ciphertext blocks, leaking data patterns.
*
* <p>This class requires opt-in using
* {@link Factories#allowInsecureECB()} and exists only for backwards compatibility.
*
* @deprecated Use GCM or another secure encryption mode instead.
*/
@Deprecated
public static class ECB {
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECBExceptionless Blowfish(byte[] key) throws XACryptoException { return new BlowfishECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECBExceptionless Blowfish(byte[] key) throws XACryptoException { checkECBenabled(); return new BlowfishECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECB Aria(byte[] key) throws XACryptoException { return new AriaECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECB Aria(byte[] key) throws XACryptoException { checkECBenabled(); return new AriaECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECBExceptionless SM4(byte[] key) throws XACryptoException { return new SM4ECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECBExceptionless SM4(byte[] key) throws XACryptoException { checkECBenabled(); return new SM4ECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECB AES(byte[] key) throws XACryptoException { return new AESECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECB AES(byte[] key) throws XACryptoException { checkECBenabled(); return new AESECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECB Twofish(byte[] key) throws XACryptoException { return new TwofishECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECB Twofish(byte[] key) throws XACryptoException { checkECBenabled(); return new TwofishECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECB RC6ECB(byte[] key) throws XACryptoException { return new RC6ECB(key); }
public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECB RC6ECB(byte[] key) throws XACryptoException { checkECBenabled(); return new RC6ECB(key); }
//public static de.caydenno1.xacrypto.zekerrijndael.ECB.ciphers.interfaces.ECBExceptionless CamelliaECB(byte[] key) throws XACryptoException { return new CamelliaECB(key); }
}
}
}