我想知道_s_ 是怎么MD5效验的 代码看不懂

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我想知道_s_  是在吗MD5效验的   代码看不懂  这是APK改之理 里面的代码

user-mobile.youku.com/user/third/bindorlogin?pid=c8fa1ba5d92006bf&guid=90af29d4c1e0c8a15a9d38b7daa910c7&mac=08%3A00%3A27%3A07%3Aa7%3A0b&imei=863146896331235&ver=5.6.2&_t_=1501758096&e=md5&_s_=29b159a445bac3230bbd30b34dcf216e&operator=China+Mobile+GSM_46000&network=WIFI&app=sina&client=0&access_token=2.00RiA4vFJ6rfvC41c91c2ca7PUpBzC&type=1


29b159a445bac3230bbd30b34dcf216e      1501758096      2.00RiA4vFJ6rfvC41c91c2ca7PUpBzC     其他参数不变


.method private static getInteractStatisticsParameter(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    .locals 10
    .param p0, "requestMethod"    # Ljava/lang/String;
    .param p1, "relativePath"    # Ljava/lang/String;

    .prologue
    .line 1561
    invoke-static {}, Ljava/lang/System;->currentTimeMillis()J

    move-result-wide v6

    const-wide/16 v8, 0x3e8

    div-long/2addr v6, v8

    sget-wide v8, Lcom/youku/player/util/URLContainer;->TIMESTAMP:J

    add-long v4, v6, v8

    .line 1562
    .local v4, "tmp":J
    invoke-static {v4, v5}, Ljava/lang/String;->valueOf(J)Ljava/lang/String;

    move-result-object v3

    .line 1563
    .local v3, "timeStamp":Ljava/lang/String;                  这里取了个时间戳
    new-instance v6, Ljava/lang/StringBuilder;

    invoke-direct {v6}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v6, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    const-string v7, ":"

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    invoke-virtual {v6, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    const-string v7, ":"

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    invoke-virtual {v6, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    const-string v7, ":"

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    const-string v7, "631l1i1x3fv5vs2dxlj5v8x81jqfs2om"                                    这里有个常量

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    invoke-virtual {v6}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    .line 1564
    .local v1, "numRaw":Ljava/lang/String;
    invoke-static {v1}, Lcom/youku/detail/util/YoukuUtil;->md5(Ljava/lang/String;)Ljava/lang/String;   这里有个md5

    move-result-object v0

    .line 1565
    .local v0, "md5NumRaw":Ljava/lang/String;
    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    .line 1566
    .local v2, "s":Ljava/lang/StringBuilder;
    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    const-string v7, "?"

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1567
    const-string v6, "pid="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    sget-object v7, Lcom/youku/player/goplay/Profile;->pid:Ljava/lang/String;

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1568
    sget-object v6, Lcom/youku/player/goplay/Profile;->GUID:Ljava/lang/String;

    invoke-static {v6}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v6

    if-nez v6, :cond_0

    .line 1569
    const-string v6, "&guid="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    sget-object v7, Lcom/youku/player/goplay/Profile;->GUID:Ljava/lang/String;

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1570
    :cond_0
    const-string v6, "&mac="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    sget-object v7, Lcom/youku/analytics/data/Device;->mac:Ljava/lang/String;

    invoke-static {v7}, Lcom/youku/player/util/URLContainer;->URLEncoder(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v7

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1571
    const-string v6, "&imei="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    sget-object v7, Lcom/youku/analytics/data/Device;->imei:Ljava/lang/String;

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1572
    const-string v6, "&ver="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    sget-object v7, Lcom/youku/player/util/URLContainer;->verName:Ljava/lang/String;

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1573
    const-string v6, "&_t_="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    invoke-virtual {v6, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1574
    const-string v6, "&e="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    const-string v7, "md5"

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1575
    const-string v6, "&_s_="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    invoke-virtual {v6, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1576
    sget-object v6, Lcom/youku/analytics/data/Device;->operator:Ljava/lang/String;

    invoke-static {v6}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v6

    if-nez v6, :cond_1

    .line 1577
    const-string v6, "&operator="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    sget-object v7, Lcom/youku/analytics/data/Device;->operator:Ljava/lang/String;

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1578
    :cond_1
    sget-object v6, Lcom/youku/analytics/data/Device;->network:Ljava/lang/String;

    invoke-static {v6}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v6

    if-nez v6, :cond_2

    .line 1579
    const-string v6, "&network="

    invoke-virtual {v2, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v6

    sget-object v7, Lcom/youku/analytics/data/Device;->network:Ljava/lang/String;

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 1580
    :cond_2
    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v6

    return-object v6