I saw the title and was initially quite apprehensive. But looking into it some more, it’s written by Paragonie who also provide commercial support for the C version of libsodium. Pretty cool, and I appreciate bringing most of the primitives to PHP developers running on platforms that don’t support PECL. (Oh how I’d wish they’d go away, but that’d hurt the internet more than it would help I think.)
crypto functions on PicoLisp
I’m not sure what the relevance is?