Port to pure C (Arduino)

[perdidor]

It's crazy but i did it. Just want to share with you.
https://github.com/perdidor/UACrypto

[muromec]

Absolute madman, huge respect.

If only there was a C version of it somewhere already https://github.com/dstucrypt/openssl-dstu/tree/OpenSSL_1_0_2-dstu/engines/uadstu

[perdidor]

the customer requested a copy of jkurwa for embedded systems, so i just had no choice)