239 lines
8.7 KiB
Java
239 lines
8.7 KiB
Java
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package com.google.android.gms.internal.p002firebaseauthapi;
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import com.google.common.base.Ascii;
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import com.google.common.primitives.UnsignedBytes;
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import java.security.InvalidKeyException;
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import java.util.Arrays;
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/* loaded from: classes2.dex */
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public final class zzqt {
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public static byte[] zza(byte[] bArr, byte[] bArr2) throws InvalidKeyException {
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if (bArr.length != 32) {
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throw new InvalidKeyException("Private key must have 32 bytes.");
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}
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long[] jArr = new long[11];
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byte[] copyOf = Arrays.copyOf(bArr, 32);
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copyOf[0] = (byte) (copyOf[0] & 248);
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int i = copyOf[31] & Ascii.DEL;
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copyOf[31] = (byte) i;
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copyOf[31] = (byte) (i | 64);
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int i2 = zzpr.zzb;
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if (bArr2.length != 32) {
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throw new InvalidKeyException("Public key length is not 32-byte");
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}
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byte[] copyOf2 = Arrays.copyOf(bArr2, 32);
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copyOf2[31] = (byte) (copyOf2[31] & Ascii.DEL);
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for (int i3 = 0; i3 < 7; i3++) {
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if (zzpp.zzb(zzpr.zza[i3], copyOf2)) {
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throw new InvalidKeyException("Banned public key: ".concat(zzqj.zza(zzpr.zza[i3])));
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}
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}
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long[] zzk = zzqi.zzk(copyOf2);
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long[] jArr2 = new long[19];
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long[] jArr3 = new long[19];
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jArr3[0] = 1;
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long[] jArr4 = new long[19];
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jArr4[0] = 1;
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long[] jArr5 = new long[19];
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long[] jArr6 = new long[19];
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long[] jArr7 = new long[19];
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jArr7[0] = 1;
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long[] jArr8 = new long[19];
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long[] jArr9 = new long[19];
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jArr9[0] = 1;
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int i4 = 10;
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System.arraycopy(zzk, 0, jArr2, 0, 10);
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int i5 = 0;
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int i6 = 32;
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while (i5 < i6) {
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int i7 = copyOf[31 - i5] & UnsignedBytes.MAX_VALUE;
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int i8 = 0;
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while (i8 < 8) {
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int i9 = (i7 >> (7 - i8)) & 1;
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zzpr.zza(jArr4, jArr2, i9);
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zzpr.zza(jArr5, jArr3, i9);
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byte[] bArr3 = copyOf;
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long[] copyOf3 = Arrays.copyOf(jArr4, 10);
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int i10 = i7;
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long[] jArr10 = new long[19];
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long[] jArr11 = jArr;
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long[] jArr12 = new long[19];
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int i11 = i5;
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long[] jArr13 = new long[19];
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int i12 = i8;
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long[] jArr14 = new long[19];
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long[] jArr15 = new long[19];
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long[] jArr16 = jArr9;
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long[] jArr17 = new long[19];
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long[] jArr18 = new long[19];
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zzqi.zzi(jArr4, jArr4, jArr5);
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zzqi.zzh(jArr5, copyOf3, jArr5);
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long[] copyOf4 = Arrays.copyOf(jArr2, 10);
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zzqi.zzi(jArr2, jArr2, jArr3);
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zzqi.zzh(jArr3, copyOf4, jArr3);
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zzqi.zzb(jArr14, jArr2, jArr5);
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zzqi.zzb(jArr15, jArr4, jArr3);
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zzqi.zze(jArr14);
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zzqi.zzd(jArr14);
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zzqi.zze(jArr15);
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zzqi.zzd(jArr15);
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long[] jArr19 = jArr2;
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System.arraycopy(jArr14, 0, copyOf4, 0, 10);
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zzqi.zzi(jArr14, jArr14, jArr15);
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zzqi.zzh(jArr15, copyOf4, jArr15);
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zzqi.zzg(jArr18, jArr14);
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zzqi.zzg(jArr17, jArr15);
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zzqi.zzb(jArr15, jArr17, zzk);
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zzqi.zze(jArr15);
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zzqi.zzd(jArr15);
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System.arraycopy(jArr18, 0, jArr6, 0, 10);
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System.arraycopy(jArr15, 0, jArr7, 0, 10);
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zzqi.zzg(jArr12, jArr4);
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zzqi.zzg(jArr13, jArr5);
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zzqi.zzb(jArr8, jArr12, jArr13);
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zzqi.zze(jArr8);
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zzqi.zzd(jArr8);
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zzqi.zzh(jArr13, jArr12, jArr13);
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Arrays.fill(jArr10, 10, 18, 0L);
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zzqi.zzf(jArr10, jArr13, 121665L);
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zzqi.zzd(jArr10);
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zzqi.zzi(jArr10, jArr10, jArr12);
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zzqi.zzb(jArr16, jArr13, jArr10);
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zzqi.zze(jArr16);
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zzqi.zzd(jArr16);
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zzpr.zza(jArr8, jArr6, i9);
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zzpr.zza(jArr16, jArr7, i9);
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i8 = i12 + 1;
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jArr9 = jArr5;
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jArr2 = jArr6;
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i7 = i10;
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jArr = jArr11;
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i5 = i11;
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jArr6 = jArr19;
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jArr5 = jArr16;
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copyOf = bArr3;
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long[] jArr20 = jArr4;
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jArr4 = jArr8;
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jArr8 = jArr20;
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long[] jArr21 = jArr7;
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jArr7 = jArr3;
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jArr3 = jArr21;
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}
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i5++;
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copyOf = copyOf;
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i6 = 32;
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i4 = 10;
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}
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long[] jArr22 = jArr;
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int i13 = i4;
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long[] jArr23 = new long[i13];
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long[] jArr24 = new long[i13];
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long[] jArr25 = new long[i13];
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long[] jArr26 = new long[i13];
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long[] jArr27 = new long[i13];
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long[] jArr28 = new long[i13];
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long[] jArr29 = new long[i13];
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long[] jArr30 = new long[i13];
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long[] jArr31 = new long[i13];
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long[] jArr32 = new long[i13];
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long[] jArr33 = jArr2;
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long[] jArr34 = new long[i13];
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zzqi.zzg(jArr24, jArr5);
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zzqi.zzg(jArr34, jArr24);
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zzqi.zzg(jArr32, jArr34);
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zzqi.zza(jArr25, jArr32, jArr5);
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zzqi.zza(jArr26, jArr25, jArr24);
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zzqi.zzg(jArr32, jArr26);
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zzqi.zza(jArr27, jArr32, jArr25);
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zzqi.zzg(jArr32, jArr27);
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zzqi.zzg(jArr34, jArr32);
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zzqi.zzg(jArr32, jArr34);
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zzqi.zzg(jArr34, jArr32);
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zzqi.zzg(jArr32, jArr34);
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zzqi.zza(jArr28, jArr32, jArr27);
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zzqi.zzg(jArr32, jArr28);
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zzqi.zzg(jArr34, jArr32);
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for (int i14 = 2; i14 < 10; i14 += 2) {
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zzqi.zzg(jArr32, jArr34);
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zzqi.zzg(jArr34, jArr32);
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}
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zzqi.zza(jArr29, jArr34, jArr28);
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zzqi.zzg(jArr32, jArr29);
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zzqi.zzg(jArr34, jArr32);
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for (int i15 = 2; i15 < 20; i15 += 2) {
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zzqi.zzg(jArr32, jArr34);
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zzqi.zzg(jArr34, jArr32);
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}
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zzqi.zza(jArr32, jArr34, jArr29);
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zzqi.zzg(jArr34, jArr32);
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zzqi.zzg(jArr32, jArr34);
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for (int i16 = 2; i16 < 10; i16 += 2) {
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zzqi.zzg(jArr34, jArr32);
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zzqi.zzg(jArr32, jArr34);
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}
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zzqi.zza(jArr30, jArr32, jArr28);
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zzqi.zzg(jArr32, jArr30);
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zzqi.zzg(jArr34, jArr32);
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for (int i17 = 2; i17 < 50; i17 += 2) {
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zzqi.zzg(jArr32, jArr34);
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zzqi.zzg(jArr34, jArr32);
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}
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zzqi.zza(jArr31, jArr34, jArr30);
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zzqi.zzg(jArr34, jArr31);
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zzqi.zzg(jArr32, jArr34);
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for (int i18 = 2; i18 < 100; i18 += 2) {
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zzqi.zzg(jArr34, jArr32);
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zzqi.zzg(jArr32, jArr34);
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}
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zzqi.zza(jArr34, jArr32, jArr31);
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zzqi.zzg(jArr32, jArr34);
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zzqi.zzg(jArr34, jArr32);
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for (int i19 = 2; i19 < 50; i19 += 2) {
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zzqi.zzg(jArr32, jArr34);
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zzqi.zzg(jArr34, jArr32);
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}
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zzqi.zza(jArr32, jArr34, jArr30);
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zzqi.zzg(jArr34, jArr32);
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zzqi.zzg(jArr32, jArr34);
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zzqi.zzg(jArr34, jArr32);
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zzqi.zzg(jArr32, jArr34);
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zzqi.zzg(jArr34, jArr32);
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zzqi.zza(jArr23, jArr34, jArr26);
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zzqi.zza(jArr22, jArr4, jArr23);
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long[] jArr35 = new long[10];
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long[] jArr36 = new long[10];
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long[] jArr37 = new long[11];
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long[] jArr38 = new long[11];
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long[] jArr39 = new long[11];
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zzqi.zza(jArr35, zzk, jArr22);
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zzqi.zzi(jArr36, zzk, jArr22);
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long[] jArr40 = new long[10];
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jArr40[0] = 486662;
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zzqi.zzi(jArr38, jArr36, jArr40);
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zzqi.zza(jArr38, jArr38, jArr3);
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zzqi.zzi(jArr38, jArr38, jArr33);
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zzqi.zza(jArr38, jArr38, jArr35);
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zzqi.zza(jArr38, jArr38, jArr33);
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zzqi.zzf(jArr37, jArr38, 4L);
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zzqi.zzd(jArr37);
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zzqi.zza(jArr38, jArr35, jArr3);
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zzqi.zzh(jArr38, jArr38, jArr3);
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zzqi.zza(jArr39, jArr36, jArr33);
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zzqi.zzi(jArr38, jArr38, jArr39);
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zzqi.zzg(jArr38, jArr38);
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if (zzpp.zzb(zzqi.zzj(jArr37), zzqi.zzj(jArr38))) {
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return zzqi.zzj(jArr22);
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}
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throw new IllegalStateException("Arithmetic error in curve multiplication with the public key: ".concat(zzqj.zza(bArr2)));
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}
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public static byte[] zzb(byte[] bArr) throws InvalidKeyException {
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if (bArr.length != 32) {
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throw new InvalidKeyException("Private key must have 32 bytes.");
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}
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byte[] bArr2 = new byte[32];
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bArr2[0] = 9;
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return zza(bArr, bArr2);
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}
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}
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