暗网解密 v2.0.4版本的 MD5 值为：d3a04548fef88e775cbe4c3c6e7d81ad

以下内容为反编译后的 a.java 源代码，内容仅作参考

package c.g.b.c;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;
public final class a {
    public static final BigInteger f4561a = new BigInteger("16a09e667f3bcc908b2fb1366ea957d3e3adec17512775099da2f590b0667322a", 16);
    public static final double f4562b = Math.log(10.0d);
    public static final double f4563c = Math.log(2.0d);

    public static BigInteger a(BigInteger bigInteger, BigInteger bigInteger2, RoundingMode roundingMode) {
        return new BigDecimal(bigInteger).divide(new BigDecimal(bigInteger2), 0, roundingMode).toBigIntegerExact();
    }
}