326 lines
12 KiB
Java
326 lines
12 KiB
Java
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package org.bouncycastle.crypto.digests;
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import org.bouncycastle.crypto.ExtendedDigest;
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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 abstract class LongDigest implements ExtendedDigest, Memoable, EncodableDigest {
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private static final int BYTE_LENGTH = 128;
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static final long[] K = {4794697086780616226L, 8158064640168781261L, -5349999486874862801L, -1606136188198331460L, 4131703408338449720L, 6480981068601479193L, -7908458776815382629L, -6116909921290321640L, -2880145864133508542L, 1334009975649890238L, 2608012711638119052L, 6128411473006802146L, 8268148722764581231L, -9160688886553864527L, -7215885187991268811L, -4495734319001033068L, -1973867731355612462L, -1171420211273849373L, 1135362057144423861L, 2597628984639134821L, 3308224258029322869L, 5365058923640841347L, 6679025012923562964L, 8573033837759648693L, -7476448914759557205L, -6327057829258317296L, -5763719355590565569L, -4658551843659510044L, -4116276920077217854L, -3051310485924567259L, 489312712824947311L, 1452737877330783856L, 2861767655752347644L, 3322285676063803686L, 5560940570517711597L, 5996557281743188959L, 7280758554555802590L, 8532644243296465576L, -9096487096722542874L, -7894198246740708037L, -6719396339535248540L, -6333637450476146687L, -4446306890439682159L, -4076793802049405392L, -3345356375505022440L, -2983346525034927856L, -860691631967231958L, 1182934255886127544L, 1847814050463011016L, 2177327727835720531L, 2830643537854262169L, 3796741975233480872L, 4115178125766777443L, 5681478168544905931L, 6601373596472566643L, 7507060721942968483L, 8399075790359081724L, 8693463985226723168L, -8878714635349349518L, -8302665154208450068L, -8016688836872298968L, -6606660893046293015L, -4685533653050689259L, -4147400797238176981L, -3880063495543823972L, -3348786107499101689L, -1523767162380948706L, -757361751448694408L, 500013540394364858L, 748580250866718886L, 1242879168328830382L, 1977374033974150939L, 2944078676154940804L, 3659926193048069267L, 4368137639120453308L, 4836135668995329356L, 5532061633213252278L, 6448918945643986474L, 6902733635092675308L, 7801388544844847127L};
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protected long H1;
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protected long H2;
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protected long H3;
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protected long H4;
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protected long H5;
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protected long H6;
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protected long H7;
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protected long H8;
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private long[] W;
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private long byteCount1;
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private long byteCount2;
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private int wOff;
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private byte[] xBuf;
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private int xBufOff;
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private long Ch(long j, long j2, long j3) {
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return (j & j2) ^ (j3 & (~j));
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}
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private long Maj(long j, long j2, long j3) {
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return ((j & j2) ^ (j & j3)) ^ (j2 & j3);
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}
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private long Sigma0(long j) {
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return (((j >>> 8) | (j << 56)) ^ ((j << 63) | (j >>> 1))) ^ (j >>> 7);
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}
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private long Sigma1(long j) {
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return (((j >>> 61) | (j << 3)) ^ ((j << 45) | (j >>> 19))) ^ (j >>> 6);
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}
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private long Sum0(long j) {
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return (((j >>> 34) | (j << 30)) ^ ((j << 36) | (j >>> 28))) ^ ((j >>> 39) | (j << 25));
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}
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private long Sum1(long j) {
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return (((j >>> 18) | (j << 46)) ^ ((j << 50) | (j >>> 14))) ^ ((j >>> 41) | (j << 23));
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}
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@Override // org.bouncycastle.crypto.ExtendedDigest
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public int getByteLength() {
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return 128;
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}
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@Override // org.bouncycastle.crypto.Digest
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public void update(byte[] bArr, int i, int i2) {
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while (this.xBufOff != 0 && i2 > 0) {
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update(bArr[i]);
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i++;
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i2--;
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}
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while (i2 > this.xBuf.length) {
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processWord(bArr, i);
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byte[] bArr2 = this.xBuf;
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i += bArr2.length;
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i2 -= bArr2.length;
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this.byteCount1 += bArr2.length;
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}
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while (i2 > 0) {
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update(bArr[i]);
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i++;
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i2--;
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}
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}
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@Override // org.bouncycastle.crypto.Digest
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public void update(byte b) {
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byte[] bArr = this.xBuf;
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int i = this.xBufOff;
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int i2 = i + 1;
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this.xBufOff = i2;
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bArr[i] = b;
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if (i2 == bArr.length) {
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processWord(bArr, 0);
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this.xBufOff = 0;
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}
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this.byteCount1++;
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}
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/* JADX INFO: Access modifiers changed from: protected */
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public void restoreState(byte[] bArr) {
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int bigEndianToInt = Pack.bigEndianToInt(bArr, 8);
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this.xBufOff = bigEndianToInt;
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System.arraycopy(bArr, 0, this.xBuf, 0, bigEndianToInt);
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this.byteCount1 = Pack.bigEndianToLong(bArr, 12);
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this.byteCount2 = Pack.bigEndianToLong(bArr, 20);
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this.H1 = Pack.bigEndianToLong(bArr, 28);
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this.H2 = Pack.bigEndianToLong(bArr, 36);
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this.H3 = Pack.bigEndianToLong(bArr, 44);
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this.H4 = Pack.bigEndianToLong(bArr, 52);
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this.H5 = Pack.bigEndianToLong(bArr, 60);
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this.H6 = Pack.bigEndianToLong(bArr, 68);
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this.H7 = Pack.bigEndianToLong(bArr, 76);
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this.H8 = Pack.bigEndianToLong(bArr, 84);
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this.wOff = Pack.bigEndianToInt(bArr, 92);
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for (int i = 0; i < this.wOff; i++) {
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this.W[i] = Pack.bigEndianToLong(bArr, (i << 3) + 96);
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}
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}
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@Override // org.bouncycastle.crypto.Digest
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public void reset() {
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this.byteCount1 = 0L;
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this.byteCount2 = 0L;
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int i = 0;
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this.xBufOff = 0;
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int i2 = 0;
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while (true) {
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byte[] bArr = this.xBuf;
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if (i2 >= bArr.length) {
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break;
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}
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bArr[i2] = 0;
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i2++;
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}
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this.wOff = 0;
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while (true) {
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long[] jArr = this.W;
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if (i == jArr.length) {
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return;
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}
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jArr[i] = 0;
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i++;
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}
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}
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protected void processWord(byte[] bArr, int i) {
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this.W[this.wOff] = Pack.bigEndianToLong(bArr, i);
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int i2 = this.wOff + 1;
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this.wOff = i2;
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if (i2 == 16) {
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processBlock();
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}
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}
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protected void processLength(long j, long j2) {
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if (this.wOff > 14) {
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processBlock();
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}
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long[] jArr = this.W;
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jArr[14] = j2;
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jArr[15] = j;
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}
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protected void processBlock() {
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adjustByteCounts();
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for (int i = 16; i <= 79; i++) {
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long[] jArr = this.W;
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long Sigma1 = Sigma1(jArr[i - 2]);
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long[] jArr2 = this.W;
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jArr[i] = Sigma1 + jArr2[i - 7] + Sigma0(jArr2[i - 15]) + this.W[i - 16];
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}
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long j = this.H1;
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long j2 = this.H2;
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long j3 = this.H3;
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long j4 = this.H4;
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long j5 = this.H5;
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long j6 = this.H6;
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long j7 = this.H7;
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long j8 = j6;
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long j9 = j4;
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int i2 = 0;
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long j10 = j2;
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long j11 = j3;
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long j12 = j5;
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int i3 = 0;
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long j13 = this.H8;
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long j14 = j;
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long j15 = j7;
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while (i3 < 10) {
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long Sum1 = Sum1(j12);
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long j16 = j12;
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long Ch = Ch(j12, j8, j15);
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long[] jArr3 = K;
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int i4 = i2 + 1;
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long j17 = j13 + Sum1 + Ch + jArr3[i2] + this.W[i2];
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long j18 = j9 + j17;
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long Sum0 = j17 + Sum0(j14) + Maj(j14, j10, j11);
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int i5 = i2 + 2;
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long Sum12 = j15 + Sum1(j18) + Ch(j18, j16, j8) + jArr3[i4] + this.W[i4];
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long j19 = j11 + Sum12;
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long Sum02 = Sum12 + Sum0(Sum0) + Maj(Sum0, j14, j10);
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int i6 = i2 + 3;
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long Sum13 = j8 + Sum1(j19) + Ch(j19, j18, j16) + jArr3[i5] + this.W[i5];
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long j20 = j10 + Sum13;
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long Sum03 = Sum13 + Sum0(Sum02) + Maj(Sum02, Sum0, j14);
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int i7 = i2 + 4;
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long Sum14 = j16 + Sum1(j20) + Ch(j20, j19, j18) + jArr3[i6] + this.W[i6];
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long j21 = j14 + Sum14;
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long Sum04 = Sum14 + Sum0(Sum03) + Maj(Sum03, Sum02, Sum0);
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int i8 = i2 + 5;
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long Sum15 = j18 + Sum1(j21) + Ch(j21, j20, j19) + jArr3[i7] + this.W[i7];
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long j22 = Sum0 + Sum15;
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long Sum05 = Sum15 + Sum0(Sum04) + Maj(Sum04, Sum03, Sum02);
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int i9 = i2 + 6;
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long Sum16 = j19 + Sum1(j22) + Ch(j22, j21, j20) + jArr3[i8] + this.W[i8];
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long j23 = Sum02 + Sum16;
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long Sum06 = Sum16 + Sum0(Sum05) + Maj(Sum05, Sum04, Sum03);
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j15 = j23;
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int i10 = i2 + 7;
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long Sum17 = j20 + Sum1(j23) + Ch(j23, j22, j21) + jArr3[i9] + this.W[i9];
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long j24 = Sum03 + Sum17;
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long Sum07 = Sum0(Sum06);
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long Maj = Maj(Sum06, Sum05, Sum04);
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j10 = Sum17 + Sum07 + Maj;
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i2 += 8;
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long Sum18 = j21 + Sum1(j24) + Ch(j24, j15, j22) + jArr3[i10] + this.W[i10];
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long Sum08 = Sum0(j10);
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long Maj2 = Maj(j10, Sum06, Sum05);
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i3++;
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j12 = Sum04 + Sum18;
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j14 = Sum18 + Sum08 + Maj2;
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j8 = j24;
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j11 = Sum06;
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j13 = j22;
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j9 = Sum05;
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}
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this.H1 += j14;
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this.H2 += j10;
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this.H3 += j11;
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this.H4 += j9;
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this.H5 += j12;
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this.H6 += j8;
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this.H7 += j15;
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this.H8 += j13;
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this.wOff = 0;
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for (int i11 = 0; i11 < 16; i11++) {
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this.W[i11] = 0;
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}
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}
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/* JADX INFO: Access modifiers changed from: protected */
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public void populateState(byte[] bArr) {
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System.arraycopy(this.xBuf, 0, bArr, 0, this.xBufOff);
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Pack.intToBigEndian(this.xBufOff, bArr, 8);
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Pack.longToBigEndian(this.byteCount1, bArr, 12);
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Pack.longToBigEndian(this.byteCount2, bArr, 20);
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Pack.longToBigEndian(this.H1, bArr, 28);
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Pack.longToBigEndian(this.H2, bArr, 36);
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Pack.longToBigEndian(this.H3, bArr, 44);
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Pack.longToBigEndian(this.H4, bArr, 52);
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Pack.longToBigEndian(this.H5, bArr, 60);
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Pack.longToBigEndian(this.H6, bArr, 68);
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Pack.longToBigEndian(this.H7, bArr, 76);
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Pack.longToBigEndian(this.H8, bArr, 84);
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Pack.intToBigEndian(this.wOff, bArr, 92);
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for (int i = 0; i < this.wOff; i++) {
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Pack.longToBigEndian(this.W[i], bArr, (i << 3) + 96);
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}
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}
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/* JADX INFO: Access modifiers changed from: protected */
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public int getEncodedStateSize() {
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return (this.wOff << 3) + 96;
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}
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public void finish() {
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adjustByteCounts();
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long j = this.byteCount1;
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long j2 = this.byteCount2;
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byte b = Byte.MIN_VALUE;
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while (true) {
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update(b);
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if (this.xBufOff == 0) {
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processLength(j << 3, j2);
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processBlock();
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return;
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}
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b = 0;
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}
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}
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/* JADX INFO: Access modifiers changed from: protected */
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public void copyIn(LongDigest longDigest) {
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byte[] bArr = longDigest.xBuf;
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System.arraycopy(bArr, 0, this.xBuf, 0, bArr.length);
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this.xBufOff = longDigest.xBufOff;
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this.byteCount1 = longDigest.byteCount1;
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this.byteCount2 = longDigest.byteCount2;
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this.H1 = longDigest.H1;
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this.H2 = longDigest.H2;
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this.H3 = longDigest.H3;
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this.H4 = longDigest.H4;
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this.H5 = longDigest.H5;
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this.H6 = longDigest.H6;
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this.H7 = longDigest.H7;
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this.H8 = longDigest.H8;
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long[] jArr = longDigest.W;
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System.arraycopy(jArr, 0, this.W, 0, jArr.length);
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this.wOff = longDigest.wOff;
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}
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private void adjustByteCounts() {
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long j = this.byteCount1;
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if (j > 2305843009213693951L) {
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this.byteCount2 += j >>> 61;
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|
this.byteCount1 = j & 2305843009213693951L;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* JADX INFO: Access modifiers changed from: protected */
|
||
|
|
public LongDigest(LongDigest longDigest) {
|
||
|
|
this.xBuf = new byte[8];
|
||
|
|
this.W = new long[80];
|
||
|
|
copyIn(longDigest);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* JADX INFO: Access modifiers changed from: protected */
|
||
|
|
public LongDigest() {
|
||
|
|
this.xBuf = new byte[8];
|
||
|
|
this.W = new long[80];
|
||
|
|
this.xBufOff = 0;
|
||
|
|
reset();
|
||
|
|
}
|
||
|
|
}
|