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2019-10-03Added more micro-operations, also added "general worker" module. The worker ↵Pavel V. Shatov (Meister)
is basically a block memory data mover, but it can also do some supporting operations required for the Garner's formula part of the exponentiation.
2019-10-03Expanded micro-operation parameters (added dedicated control bit to force ↵Pavel V. Shatov (Meister)
the B input of the modular multiplier to 1, this is necessary to bring numbers out of Montgomery domain).
2019-10-03Reworked storage architecture (moved I/O memory to a separate module, since ↵Pavel V. Shatov (Meister)
there's only one instance of input/output values, while storage manager has dual storage space for P and Q multipliers). Started working on microcoded layer, added input operation and modular multiplication.
2019-10-03Redesigned storage modules, added top-level module, added I/O storage space.Pavel V. Shatov (Meister)
2019-10-01Redesigned core architecture, unified bank structure. All storage blocks nowPavel V. Shatov (Meister)
have eight 4kbit entries and occupy one 36K BRAM tile.
2019-10-01Major rewrite (different core hierarchy, buses, wrappers, etc).Pavel V. Shatov (Meister)
2019-10-01Implemented the final stage of the Montgomery modular multiplication, i.e.Pavel V. Shatov (Meister)
addition of AB and M then reduction by right-shift.
2019-10-01Further work on the Montgomery modular multiplier. Added the thirdPavel V. Shatov (Meister)
"rectangular" stage of the multiplication process, i.e. computation of how many copies of the modulus N to add to the intermediate product AB to zeroize the lower half: M = Q * N.
2019-10-01Further work on the Montgomery modular multiplier. Can now to the "triangular"Pavel V. Shatov (Meister)
part of multiplication, i.e. compute the "magic" reduction coefficient Q = LSB(AB) * N_COEFF.
2019-10-01Started working on the pipelined Montgomery modular multiplier. Currently canPavel V. Shatov (Meister)
do the "square" part of the multiplication, i.e. compute the twice larger intermediate product AB = A * B.