diff options
| author | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2016-10-31 00:14:51 +0300 |
|---|---|---|
| committer | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2016-10-31 00:14:51 +0300 |
| commit | 25e338149fdb8e06c82d99600769a8498a85ef2c (patch) | |
| tree | cf4b855bcf1083f3cffebf6a98b5aaad45baf362 /rtl/modular/modular_invertor/modinv_clog2.v | |
Initial commit of base point multiplier core for ECDSA curve P-256.
Diffstat (limited to 'rtl/modular/modular_invertor/modinv_clog2.v')
| -rw-r--r-- | rtl/modular/modular_invertor/modinv_clog2.v | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/rtl/modular/modular_invertor/modinv_clog2.v b/rtl/modular/modular_invertor/modinv_clog2.v new file mode 100644 index 0000000..2f7b64d --- /dev/null +++ b/rtl/modular/modular_invertor/modinv_clog2.v @@ -0,0 +1,10 @@ +function integer clog2;
+ input integer value;
+ integer result;
+ begin
+ value = value - 1;
+ for (result = 0; value > 0; result = result + 1)
+ value = value >> 1;
+ clog2 = result;
+ end
+endfunction
|