60 lines
2.0 KiB
Java
60 lines
2.0 KiB
Java
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package org.bouncycastle.crypto.prng;
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import java.security.SecureRandom;
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import org.bouncycastle.crypto.prng.drbg.SP80090DRBG;
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/* loaded from: classes6.dex */
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public class SP800SecureRandom extends SecureRandom {
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private SP80090DRBG drbg;
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private final DRBGProvider drbgProvider;
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private final EntropySource entropySource;
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private final boolean predictionResistant;
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private final SecureRandom randomSource;
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@Override // java.security.SecureRandom
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public void setSeed(byte[] bArr) {
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synchronized (this) {
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SecureRandom secureRandom = this.randomSource;
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if (secureRandom != null) {
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secureRandom.setSeed(bArr);
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}
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}
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}
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@Override // java.security.SecureRandom, java.util.Random
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public void setSeed(long j) {
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synchronized (this) {
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SecureRandom secureRandom = this.randomSource;
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if (secureRandom != null) {
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secureRandom.setSeed(j);
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}
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}
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}
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@Override // java.security.SecureRandom, java.util.Random
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public void nextBytes(byte[] bArr) {
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synchronized (this) {
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if (this.drbg == null) {
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this.drbg = this.drbgProvider.get(this.entropySource);
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}
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if (this.drbg.generate(bArr, null, this.predictionResistant) < 0) {
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this.drbg.reseed(null);
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this.drbg.generate(bArr, null, this.predictionResistant);
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}
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}
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}
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@Override // java.security.SecureRandom
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public byte[] generateSeed(int i) {
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return EntropyUtil.generateSeed(this.entropySource, i);
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public SP800SecureRandom(SecureRandom secureRandom, EntropySource entropySource, DRBGProvider dRBGProvider, boolean z) {
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this.randomSource = secureRandom;
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this.entropySource = entropySource;
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this.drbgProvider = dRBGProvider;
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this.predictionResistant = z;
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}
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}
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