guao-xiaomi opened a new pull request, #3756:
URL: https://github.com/apache/nuttx-apps/pull/3756
## Summary
Add new crypto test cases to `testing/drivers/crypto/`:
1. **ChaCha20 stream cipher test** (`chacha20.c`) - cmocka-based tests using
RFC 7539 test vectors covering encryption/decryption with various
key/nonce/counter combinations.
2. **ChaCha20-Poly1305 AEAD test** (`chachapoly.c`) - cmocka-based tests
verifying authenticated encryption/decryption with associated data
using RFC 7539 test vectors.
3. **SHA2-224 HMAC test** - adds SHA2-224 HMAC verification to the existing
`hmac.c` test using CRYPTO_SHA2_224_HMAC with standard test vectors
(28-byte digest).
## Impact
- New test files only, no changes to production code
- Extends crypto test coverage for ChaCha20, ChaCha20-Poly1305 AEAD,
and SHA2-224 HMAC algorithms
- ChaCha20 tests require CONFIG_TESTING_CRYPTO_CHACHA20 and
CONFIG_TESTING_CRYPTO_CHACHA20_POLY1305 Kconfig options (added)
## Testing
- Build: Ubuntu 22.04, x86_64, GCC
- Target: QEMU SIL (sim + multi-core BMP) with cryptodev software backend
- All test vectors pass on QEMU with CRYPTO_CRYPTODEV_SOFTWARE enabled
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