Port Libsodium (1.0.18-stable, July 03, 2020) AES-256-GCM algorithm into Intel SGX enclaves. It uses CPU rdrand for digital random number generation, please see Enclave/randombytes.cpp. To go into the test details, please refer to Enclave/aead_aes256gcm.cpp.

Tested Platform: Linux. To adjust the tmmintrin.h path, please modify Enclave_Include_Paths in Makefile.

Note that AES-NI is claimed to be side-channel proof.

Developer: Maxul Lee

Sodium is a modern, easy-to-use software library for encryption, decryption, signatures, password hashing and more. Sodium is cross-platforms and cross-languages. It runs on a variety of compilers and operating systems, including Windows (with MinGW or Visual Studio, x86 and x86_64), iOS and Android. Javascript and WebAssembly versions are also available and are fully supported.