asciilifeform: importantly, same roll MUST work for all possible m^d mod n params.
asciilifeform: forn00bz: an, e.g., rsa modexp, in ffa, must be representable by a long roll of paper, on it are ops for ordinary 4function calculator, with very patient slave. and roll ONLY ROLLS FORWARD and has finite # of instructions on it, known in advance when you decide the ffa width.☟︎☟︎
asciilifeform: privkeys are plaintext ( you can cipher them via some other cmdline util, or even another piped p, but no nonsense re 'bitcoin-style' enter-aes-pw etc )