81 lines
1.6 KiB
Java
81 lines
1.6 KiB
Java
import java.io.UnsupportedEncodingException;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import net.runelite.mapping.ObfuscatedName;
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import net.runelite.mapping.ObfuscatedSignature;
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@ObfuscatedName("g")
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public class class5 implements class2 {
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@ObfuscatedName("n")
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final MessageDigest field9;
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@ObfuscatedSignature(
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descriptor = "(Lu;)V"
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)
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class5(class8 var1) {
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this.field9 = this.method27();
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}
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@ObfuscatedName("n")
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boolean method23(int var1, String var2, long var3) {
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byte[] var5 = this.method41(var2, var3);
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return method24(var5) >= var1;
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}
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@ObfuscatedName("k")
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byte[] method41(String var1, long var2) {
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StringBuilder var4 = new StringBuilder();
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var4.append(var1).append(Long.toHexString(var2));
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this.field9.reset();
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try {
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this.field9.update(var4.toString().getBytes("UTF-8"));
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} catch (UnsupportedEncodingException var6) {
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var6.printStackTrace();
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}
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return this.field9.digest();
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}
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@ObfuscatedName("o")
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MessageDigest method27() {
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try {
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return MessageDigest.getInstance("SHA-256");
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} catch (NoSuchAlgorithmException var2) {
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var2.printStackTrace();
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return null;
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}
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}
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@ObfuscatedName("c")
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static int method24(byte[] var0) {
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int var1 = 0;
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byte[] var2 = var0;
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for (int var3 = 0; var3 < var2.length; ++var3) {
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byte var4 = var2[var3];
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int var5 = method25(var4);
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var1 += var5;
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if (var5 != 8) {
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break;
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}
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}
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return var1;
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}
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@ObfuscatedName("m")
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static int method25(byte var0) {
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int var1 = 0;
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if (var0 == 0) {
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var1 = 8;
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} else {
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for (int var2 = var0 & 255; (var2 & 128) == 0; var2 <<= 1) {
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++var1;
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}
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}
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return var1;
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}
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}
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