diff options
| author | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2019-10-01 15:07:56 +0300 |
|---|---|---|
| committer | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2019-10-01 15:07:56 +0300 |
| commit | ecf0374b7bbf1c1ea56fea8f1acaeea85c3612d2 (patch) | |
| tree | 7d73b8875ed8b64a3fd27137659e9fb9ea0217be /rtl/modexpng_mmm_fsm.vh | |
| parent | 9e9689d7b00ecdcc1c651f5e369e00a53d62df3c (diff) | |
Further work on the Montgomery modular multiplier. Added the third
"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.
Diffstat (limited to 'rtl/modexpng_mmm_fsm.vh')
| -rw-r--r-- | rtl/modexpng_mmm_fsm.vh | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/rtl/modexpng_mmm_fsm.vh b/rtl/modexpng_mmm_fsm.vh index 2700a42..3bdae66 100644 --- a/rtl/modexpng_mmm_fsm.vh +++ b/rtl/modexpng_mmm_fsm.vh @@ -30,5 +30,14 @@ localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_TRIANGLE_COL_N_BUSY = 26; localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_TRIANGLE_HOLDOFF = 27; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_RECTANGLE_COL_0_INIT = 31; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_RECTANGLE_COL_0_TRIG = 32; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_RECTANGLE_COL_0_BUSY = 33; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_RECTANGLE_COL_N_INIT = 34; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_RECTANGLE_COL_N_TRIG = 35; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_RECTANGLE_COL_N_BUSY = 36; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_RECTANGLE_HOLDOFF = 37; + localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_STOP = 999; -
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