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