FFI Rust binding to Open Quantum Safe's liboqs

This crate provides the unsafe ffi bindings to liboqs.

Features

vendored (default): Compile the included version of liboqs instead of linking to the system version.
openssl (default): Compile with OpenSSL features (mostly symmetric cryptography)
non_portable: Don't build a portable library.
kems (default): Compile with all KEMs enabled
- bike (only on non-Windows)
- classic_mceliece
- frodokem
- hqc
- kyber
- ml_kem
- ntruprime
sigs (default): Compile with all signature schemes enabled
- cross
- dilithium
- falcon
- mayo
- ml_dsa
- sphincs: SPHINCS+