[WIP][POC] Attestation module and usage in Connections.

[carlosmuvi-stripe]

Summary

• Adds attestation module
• Exposes IntegrityStandardRequestManager, with two methods:
  • prepare to be called early in the app
  • requestToken that generates a token using the Integrity API, preventing tampering generating a SHA256 hash based on the request payload (headers, url, params, etc. This can be customized and should match server decode logic)

Motivation

Testing

• Added tests
• Modified tests
• Manually verified

Screenshots

Before	After
before screenshot	after screenshot

Changelog

[github-actions]

Diffuse output:

OLD: identity-example-release-base.apk (signature: V1, V2)
NEW: identity-example-release-pr.apk (signature: V1, V2)

          │            compressed            │           uncompressed           
          ├─────────────┬─────────────┬──────┼─────────────┬─────────────┬──────
 APK      │ old         │ new         │ diff │ old         │ new         │ diff 
──────────┼─────────────┼─────────────┼──────┼─────────────┼─────────────┼──────
      dex │       2 MiB │       2 MiB │  0 B │     4.2 MiB │     4.2 MiB │  0 B 
     arsc │ 1,023.9 KiB │ 1,023.9 KiB │  0 B │ 1,023.8 KiB │ 1,023.8 KiB │  0 B 
 manifest │     2.3 KiB │     2.3 KiB │  0 B │       8 KiB │       8 KiB │  0 B 
      res │   301.5 KiB │   301.5 KiB │  0 B │     455 KiB │     455 KiB │  0 B 
   native │     6.2 MiB │     6.2 MiB │  0 B │    15.8 MiB │    15.8 MiB │  0 B 
    asset │     6.7 KiB │     6.7 KiB │  0 B │     6.4 KiB │     6.4 KiB │  0 B 
    other │    85.5 KiB │    85.5 KiB │ +2 B │   158.7 KiB │   158.7 KiB │  0 B 
──────────┼─────────────┼─────────────┼──────┼─────────────┼─────────────┼──────
    total │     9.6 MiB │     9.6 MiB │ +2 B │    21.6 MiB │    21.6 MiB │  0 B 

 DEX     │ old   │ new   │ diff      
─────────┼───────┼───────┼───────────
   files │     1 │     1 │ 0         
 strings │ 21310 │ 21310 │ 0 (+0 -0) 
   types │  6771 │  6771 │ 0 (+0 -0) 
 classes │  5560 │  5560 │ 0 (+0 -0) 
 methods │ 31123 │ 31123 │ 0 (+0 -0) 
  fields │ 18155 │ 18155 │ 0 (+0 -0) 

 ARSC    │ old  │ new  │ diff 
─────────┼──────┼──────┼──────
 configs │  164 │  164 │  0   
 entries │ 3392 │ 3392 │  0

APK

   compressed    │  uncompressed   │                    
──────────┬──────┼──────────┬──────┤                    
 size     │ diff │ size     │ diff │ path               
──────────┼──────┼──────────┼──────┼────────────────────
 28.3 KiB │ +2 B │ 62.6 KiB │  0 B │ ∆ META-INF/CERT.SF 
──────────┼──────┼──────────┼──────┼────────────────────
 28.3 KiB │ +2 B │ 62.6 KiB │  0 B │ (total)