31 lines
1.2 KiB
Java
31 lines
1.2 KiB
Java
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package org.bouncycastle.pqc.crypto.sphincs;
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import org.bouncycastle.crypto.engines.ChaChaEngine;
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import org.bouncycastle.crypto.params.KeyParameter;
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import org.bouncycastle.crypto.params.ParametersWithIV;
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import org.bouncycastle.pqc.crypto.sphincs.Tree;
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import org.bouncycastle.util.Pack;
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/* loaded from: classes6.dex */
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class Seed {
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/* JADX INFO: Access modifiers changed from: package-private */
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public static void prg(byte[] bArr, int i, long j, byte[] bArr2, int i2) {
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ChaChaEngine chaChaEngine = new ChaChaEngine(12);
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chaChaEngine.init(true, new ParametersWithIV(new KeyParameter(bArr2, i2, 32), new byte[8]));
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chaChaEngine.processBytes(bArr, i, (int) j, bArr, i);
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public static void get_seed(HashFunctions hashFunctions, byte[] bArr, int i, byte[] bArr2, Tree.leafaddr leafaddrVar) {
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byte[] bArr3 = new byte[40];
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for (int i2 = 0; i2 < 32; i2++) {
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bArr3[i2] = bArr2[i2];
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}
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Pack.longToLittleEndian((leafaddrVar.subleaf << 59) | leafaddrVar.level | (leafaddrVar.subtree << 4), bArr3, 32);
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hashFunctions.varlen_hash(bArr, i, bArr3, 40);
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}
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Seed() {
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}
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}
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