memsec Rust implementation libsodium/utils. memeq/memcmp memset/memzero mlock/munlock alloc/free/mprotect Linux only: alloc_memfd_secret/free_memfd_secret functions similar to alloc/free implementation backed by memfd_secret ref Securing memory allocations rlibc aligned_alloc.rs cst_time_memcmp [memfd_secret] (https://man.archlinux.org/man/memfd_secret.2.en)
