御盾What VMP protection is and how to select its scope
Yudun technical guide · Engineering principles and practice · English
VMP is best reserved for code whose recovery or modification creates direct business loss. Define attacker payoff and regression scope before selecting functions, rather than maximizing coverage first.
Begin with attacker payoff
List authorization decisions, proprietary algorithms, protocol handling, entitlement logic, and other valuable local decisions.
Routine interface code and frequently changing integration code often need lower-cost controls.
- What does recovery enable
- Can the server own the decision
- Is there a safe fallback
- Can the path be tested alone
Give every protection layer one job
Obfuscation reduces readability, Java-to-native changes language-level representation, and VMP changes execution representation for selected code.
Signing, integrity, version governance, and server decisions keep separate responsibilities.
Bind acceptance to one candidate
Compare application launch, critical paths, crashes, package size, and resource use with an unprotected baseline, then verify the agreed compatibility range on the same candidate.
Without current candidate evidence, describe the method and open questions, not a performance conclusion.
- Candidate identity is stable
- Critical paths are repeatable
- Failures can be attributed
- Rollback is available
Keep the trust boundary explicit
VMP raises analysis and reuse cost but does not create an absolutely trusted client. High-risk authorization and transaction decisions remain server-side.
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