Question 1

How to implement end-to-end encryption with Themis in a React Native app?

Accepted Answer

Use Secure Session for real-time encrypted data exchange with forward secrecy; import react-native-themis, set up keys, and follow the React Native howto and examples in the docs for detailed implementation steps.

Question 2

Themis vs libsodium: which is better for mobile encryption?

Accepted Answer

Themis offers higher-level, cross-platform consistent APIs for common use cases, while libsodium provides more low-level control and a wider algorithm set; choose Themis for easy multi-app integration or libsodium for fine-tuned cryptography.

Question 3

Does Themis support searchable encryption for databases?

Accepted Answer

Yes, the README mentions support for searchable encryption using Themis with Acra, but native Themis alone focuses on basic encryption via Secure Cell; for advanced features, integration with Acra or custom setup is needed.

Question 4

How to handle key management securely with Themis?

Accepted Answer

Themis docs provide key management advice, but it's largely developer-responsible; use Secure Cell for symmetric keys or Secure Message for asymmetric exchange, and store keys in platform-specific secure storage like iOS Keychain.

Question 5

Is Themis FIPS 140-2 compliant out of the box?

Accepted Answer

Themis has documentation on FIPS 140-2 and GOST compliance, but actual validation depends on the underlying OpenSSL build and deployment environment; you may need to configure and verify compliance separately.

Question 6

Can I use Themis for encrypting files in a Python backend?

Accepted Answer

Yes, use Secure Cell in Seal or Token Protect mode with pythemis; import the library, create a cell with a key, and encrypt/decrypt files as shown in the Python examples provided in the docs.

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