29 lines
1009 B
Java
29 lines
1009 B
Java
|
package org.bouncycastle.crypto.generators;
|
||
|
|
|
||
|
|
import org.bouncycastle.crypto.CipherKeyGenerator;
|
||
|
|
import org.bouncycastle.crypto.KeyGenerationParameters;
|
||
|
|
import org.bouncycastle.crypto.params.DESParameters;
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public class DESKeyGenerator extends CipherKeyGenerator {
|
||
|
|
@Override // org.bouncycastle.crypto.CipherKeyGenerator
|
||
|
|
public void init(KeyGenerationParameters keyGenerationParameters) {
|
||
|
|
super.init(keyGenerationParameters);
|
||
|
|
if (this.strength == 0 || this.strength == 7) {
|
||
|
|
this.strength = 8;
|
||
|
|
} else if (this.strength != 8) {
|
||
|
|
throw new IllegalArgumentException("DES key must be 64 bits long.");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override // org.bouncycastle.crypto.CipherKeyGenerator
|
||
|
|
public byte[] generateKey() {
|
||
|
|
byte[] bArr = new byte[8];
|
||
|
|
do {
|
||
|
|
this.random.nextBytes(bArr);
|
||
|
|
DESParameters.setOddParity(bArr);
|
||
|
|
} while (DESParameters.isWeakKey(bArr, 0));
|
||
|
|
return bArr;
|
||
|
|
}
|
||
|
|
}
|