77 lines
2.2 KiB
Java
77 lines
2.2 KiB
Java
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package org.bouncycastle.crypto.digests;
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import org.bouncycastle.pqc.jcajce.spec.McElieceCCA2KeyGenParameterSpec;
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import org.bouncycastle.util.Memoable;
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import org.bouncycastle.util.Pack;
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/* loaded from: classes6.dex */
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public class SHA512Digest extends LongDigest {
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private static final int DIGEST_LENGTH = 64;
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@Override // org.bouncycastle.crypto.Digest
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public int getDigestSize() {
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return 64;
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}
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@Override // org.bouncycastle.util.Memoable
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public void reset(Memoable memoable) {
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copyIn((SHA512Digest) memoable);
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}
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@Override // org.bouncycastle.crypto.digests.LongDigest, org.bouncycastle.crypto.Digest
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public void reset() {
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super.reset();
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this.H1 = 7640891576956012808L;
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this.H2 = -4942790177534073029L;
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this.H3 = 4354685564936845355L;
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this.H4 = -6534734903238641935L;
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this.H5 = 5840696475078001361L;
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this.H6 = -7276294671716946913L;
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this.H7 = 2270897969802886507L;
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this.H8 = 6620516959819538809L;
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}
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@Override // org.bouncycastle.crypto.digests.EncodableDigest
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public byte[] getEncodedState() {
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byte[] bArr = new byte[getEncodedStateSize()];
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super.populateState(bArr);
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return bArr;
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}
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@Override // org.bouncycastle.crypto.Digest
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public String getAlgorithmName() {
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return McElieceCCA2KeyGenParameterSpec.SHA512;
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}
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@Override // org.bouncycastle.crypto.Digest
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public int doFinal(byte[] bArr, int i) {
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finish();
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Pack.longToBigEndian(this.H1, bArr, i);
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Pack.longToBigEndian(this.H2, bArr, i + 8);
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Pack.longToBigEndian(this.H3, bArr, i + 16);
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Pack.longToBigEndian(this.H4, bArr, i + 24);
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Pack.longToBigEndian(this.H5, bArr, i + 32);
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Pack.longToBigEndian(this.H6, bArr, i + 40);
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Pack.longToBigEndian(this.H7, bArr, i + 48);
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Pack.longToBigEndian(this.H8, bArr, i + 56);
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reset();
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return 64;
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}
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@Override // org.bouncycastle.util.Memoable
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public Memoable copy() {
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return new SHA512Digest(this);
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}
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public SHA512Digest(byte[] bArr) {
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restoreState(bArr);
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}
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public SHA512Digest(SHA512Digest sHA512Digest) {
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super(sHA512Digest);
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}
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public SHA512Digest() {
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}
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}
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