hacrypto

Here's an example. OpenSSL uses assembly routines to speed up some cryptographic operations. For example, here's some routines for MD5 on x86_64: https://github.com/openssl/openssl/blob/master/crypto/md5/as... Don't let the perl extension fool you. It's mostly ASM, the perl is there to help with the build. It was pretty easy to find someone that had copied it and violated their license by removing the copyright text, and further claiming to release it into the public domain. Perhaps not on purpose, but... https://github.com/GaloisInc/hacrypto/blob/master/src/C/libs...