57 lines
1.7 KiB
Java
57 lines
1.7 KiB
Java
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package org.bouncycastle.crypto.digests;
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/* loaded from: classes6.dex */
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public class SHA3Digest extends KeccakDigest {
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@Override // org.bouncycastle.crypto.digests.KeccakDigest, org.bouncycastle.crypto.Digest
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public String getAlgorithmName() {
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StringBuilder sb = new StringBuilder("SHA3-");
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sb.append(this.fixedOutputLength);
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return sb.toString();
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}
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/* JADX INFO: Access modifiers changed from: protected */
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@Override // org.bouncycastle.crypto.digests.KeccakDigest
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public int doFinal(byte[] bArr, int i, byte b, int i2) {
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if (i2 < 0 || i2 > 7) {
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throw new IllegalArgumentException("'partialBits' must be in the range [0,7]");
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}
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int i3 = (b & ((1 << i2) - 1)) | (2 << i2);
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int i4 = i2 + 2;
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if (i4 >= 8) {
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this.oneByte[0] = (byte) i3;
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absorb(this.oneByte, 0, 8L);
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i4 = i2 - 6;
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i3 >>>= 8;
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}
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return super.doFinal(bArr, i, (byte) i3, i4);
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}
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@Override // org.bouncycastle.crypto.digests.KeccakDigest, org.bouncycastle.crypto.Digest
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public int doFinal(byte[] bArr, int i) {
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absorb(new byte[]{2}, 0, 2L);
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return super.doFinal(bArr, i);
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}
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private static int checkBitLength(int i) {
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if (i == 224 || i == 256 || i == 384 || i == 512) {
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return i;
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}
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StringBuilder sb = new StringBuilder("'bitLength' ");
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sb.append(i);
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sb.append(" not supported for SHA-3");
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throw new IllegalArgumentException(sb.toString());
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}
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public SHA3Digest(SHA3Digest sHA3Digest) {
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super(sHA3Digest);
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}
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public SHA3Digest(int i) {
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super(checkBitLength(i));
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}
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public SHA3Digest() {
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this(256);
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}
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}
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