Formalization of soundness and correctness proofs of efficient foreign field arithmetic (FFA) developed at IOG/Midnight.

EASYCRYPT_REVISION =  a214a56
JASMIN_VERSION     =  2023.06.1
ALT-ERGO           >= v2.5.1
CVC4               >= 1.8
Z3                 >= 4.8.7

• FFA_soundness.ec the proof that whenever the system of constraints is satisfied then we have correctly multipled foreign field elements.
• FFA_completeness.ec the converse of the above.
• FFA.ec some common definitions.