Reference detail

MASVS-CRYPTO-2 — The app performs key management according to best practices.

MASVS-CRYPTO covers whether the app uses strong, current cryptography and manages its keys correctly.

Mapped findings are review signals. Interpret each app’s build, scan date and coverage before drawing a conclusion. Historical verification describes only its recorded scan time.

Mapped checks & review guidance (3)

Private key material

Never ship private-key material in a client. Revoke/rotate the compromised key and hold it server-side or in a hardware-backed store.

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Expired signing certificate

Renew the signing certificate; ensure validity extends well beyond the app's expected lifetime.

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BIP-39 wallet seed phrase

A mnemonic seed phrase must never be embedded — any holder controls the wallet. Move funds to a new wallet immediately and never bundle key material.

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Apps with mapped findings

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427 matching apps · Counts below include only this page’s mapped finding types.

Turbo Fax: send fax from phone

com.piksoft.turbofaxBuild 1.0.13 · 2026-09-02 11:07 UTC

1 matching category · 3 matching occurrences

Grade unavailableHistorical · coverage unknown

Leakydemo

com.example.leakydemoBuild 1.0.0 · 2026-08-30 08:07 UTC

1 matching category · 1 matching occurrence

Grade unavailableHistorical · coverage unknown