Function ockam_ffi::ockam_vault_secret_generate

#[no_mangle]
pub extern "C" fn ockam_vault_secret_generate(
    context: FfiVaultFatPointer, 
    secret: &mut u64, 
    attributes: FfiSecretAttributes
) -> FfiOckamError

Generate a secret key with the specific attributes. Returns a handle for the secret.