64 lines
2.3 KiB
Java
64 lines
2.3 KiB
Java
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package org.bouncycastle.math.raw;
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import org.bouncycastle.crypto.tls.CipherSuite;
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/* loaded from: classes6.dex */
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public class Interleave {
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private static final long M32 = 1431655765;
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private static final long M64 = 6148914691236517205L;
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public static int expand16to32(int i) {
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int i2 = i & 65535;
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int i3 = (i2 | (i2 << 8)) & 16711935;
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int i4 = (i3 | (i3 << 4)) & 252645135;
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int i5 = (i4 | (i4 << 2)) & 858993459;
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return (i5 | (i5 << 1)) & 1431655765;
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}
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public static long expand32to64(int i) {
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int i2 = ((i >>> 8) ^ i) & CipherSuite.DRAFT_TLS_DHE_RSA_WITH_AES_128_OCB;
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int i3 = i ^ (i2 ^ (i2 << 8));
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int i4 = ((i3 >>> 4) ^ i3) & 15728880;
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int i5 = i3 ^ (i4 ^ (i4 << 4));
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int i6 = ((i5 >>> 2) ^ i5) & 202116108;
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int i7 = i5 ^ (i6 ^ (i6 << 2));
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int i8 = ((i7 >>> 1) ^ i7) & 572662306;
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return (((r6 >>> 1) & M32) << 32) | (M32 & (i7 ^ (i8 ^ (i8 << 1))));
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}
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public static int expand8to16(int i) {
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int i2 = i & 255;
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int i3 = (i2 | (i2 << 4)) & 3855;
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int i4 = (i3 | (i3 << 2)) & 13107;
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return (i4 | (i4 << 1)) & 21845;
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}
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public static long unshuffle(long j) {
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long j2 = ((j >>> 1) ^ j) & 2459565876494606882L;
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long j3 = j ^ (j2 ^ (j2 << 1));
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long j4 = ((j3 >>> 2) ^ j3) & 868082074056920076L;
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long j5 = j3 ^ (j4 ^ (j4 << 2));
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long j6 = ((j5 >>> 4) ^ j5) & 67555025218437360L;
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long j7 = j5 ^ (j6 ^ (j6 << 4));
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long j8 = ((j7 >>> 8) ^ j7) & 280375465148160L;
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long j9 = j7 ^ (j8 ^ (j8 << 8));
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long j10 = ((j9 >>> 16) ^ j9) & 4294901760L;
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return j9 ^ (j10 ^ (j10 << 16));
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}
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public static void expand64To128(long j, long[] jArr, int i) {
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long j2 = ((j >>> 16) ^ j) & 4294901760L;
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long j3 = j ^ (j2 ^ (j2 << 16));
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long j4 = ((j3 >>> 8) ^ j3) & 280375465148160L;
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long j5 = j3 ^ (j4 ^ (j4 << 8));
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long j6 = ((j5 >>> 4) ^ j5) & 67555025218437360L;
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long j7 = j5 ^ (j6 ^ (j6 << 4));
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long j8 = ((j7 >>> 2) ^ j7) & 868082074056920076L;
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long j9 = j7 ^ (j8 ^ (j8 << 2));
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long j10 = ((j9 >>> 1) ^ j9) & 2459565876494606882L;
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long j11 = j9 ^ (j10 ^ (j10 << 1));
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jArr[i] = j11 & M64;
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jArr[i + 1] = (j11 >>> 1) & M64;
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}
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}
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