From 25e338149fdb8e06c82d99600769a8498a85ef2c Mon Sep 17 00:00:00 2001
From: "Pavel V. Shatov (Meister)" <meisterpaul1@yandex.ru>
Date: Mon, 31 Oct 2016 00:14:51 +0300
Subject: Initial commit of base point multiplier core for ECDSA curve P-256.

---
 rtl/modular/modular_invertor/modinv_clog2.v | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 rtl/modular/modular_invertor/modinv_clog2.v

(limited to 'rtl/modular/modular_invertor/modinv_clog2.v')

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
-- 
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