Reverse analysis of a fruit app

Analysis process:

App-Signature：

package com.p330tt.sdk.http.Interceptor;
/* renamed from: c */
public Map<String, String> m20821c(b0 b0Var) throws IOException {

/* renamed from: a */
public String m15434a(String str, c0 c0Var) {

package p399la;
/* renamed from: la.a /
/ compiled from: DataController */
public class DataController {

/* renamed from: b */
public String m20884b(int i, String str, String str2) {
return this.f15020c.m20893a(i, str, str2);
}

Response:
1.base64:
public static byte[] m22049e(String str) {
return Base64.decode(str.replace(‘-’, ‘+’).replace(‘_’, ‘/’), 0);
}

3. Segment analysis:
package p441qa;

/* renamed from: qa.g /
/ compiled from: RSAUtils */

/* renamed from: b */
public sta