I suppose everything's a continuum with this stuff, but here's one library I ran into where I was a little disappointed to find a heap allocation: https://dnaq.

I suppose everything's a continuum with this stuff, but here's one library I ran into where I was a little disappointed to find a heap allocation: https://dnaq.github.io/sodiumoxide/sodiumoxide/crypto/secretbox/xsalsa20poly1305/fn.seal.html https://dnaq.github.io/sodiumoxide/sodiumoxide/crypto/secret...