From d924bdc54ed0400283d9b5a2f6b987f7d9f90db5 Mon Sep 17 00:00:00 2001
From: "Pavel V. Shatov (Meister)" <meisterpaul1@yandex.ru>
Date: Sun, 1 Apr 2018 13:33:04 +0300
Subject: Fixed coordinates of the hardcoded double of the base point, added
 more test vectors to make sure, that the patch actually works. See the
 corresponding commit message for the ecdsa_fpga_model for more details.

---
 rtl/curve/rom/brom_p256_h_x.v | 16 ++++++++--------
 rtl/curve/rom/brom_p256_h_y.v | 20 ++++++++++----------
 2 files changed, 18 insertions(+), 18 deletions(-)

(limited to 'rtl')

diff --git a/rtl/curve/rom/brom_p256_h_x.v b/rtl/curve/rom/brom_p256_h_x.v
index 0b69f77..1982690 100644
--- a/rtl/curve/rom/brom_p256_h_x.v
+++ b/rtl/curve/rom/brom_p256_h_x.v
@@ -54,14 +54,14 @@ module brom_p256_h_x
 	always @(posedge clk)
 		//
 		case (b_addr)
-			3'b000:	bram_reg_b <= 32'h4ece7ad0;
-			3'b001:	bram_reg_b <= 32'h16bd8d74;
-			3'b010:	bram_reg_b <= 32'ha42998be;
-			3'b011:	bram_reg_b <= 32'h11f904fe;
-			3'b100:	bram_reg_b <= 32'h38b77e1b;
-			3'b101:	bram_reg_b <= 32'h0e863235;
-			3'b110:	bram_reg_b <= 32'h3da77b71;
-			3'b111:	bram_reg_b <= 32'h29d05c19;
+			3'b000:	bram_reg_b <= 32'h47669978;
+			3'b001:	bram_reg_b <= 32'ha60b48fc;
+			3'b010:	bram_reg_b <= 32'h77f21b35;
+			3'b011:	bram_reg_b <= 32'hc08969e2;
+			3'b100:	bram_reg_b <= 32'h04b51ac3;
+			3'b101:	bram_reg_b <= 32'h8a523803;
+			3'b110:	bram_reg_b <= 32'h8d034f7e;
+			3'b111:	bram_reg_b <= 32'h7cf27b18;
 		endcase
 
 
diff --git a/rtl/curve/rom/brom_p256_h_y.v b/rtl/curve/rom/brom_p256_h_y.v
index 362fce6..f718d46 100644
--- a/rtl/curve/rom/brom_p256_h_y.v
+++ b/rtl/curve/rom/brom_p256_h_y.v
@@ -54,15 +54,15 @@ module brom_p256_h_y
 	always @(posedge clk)
 		//
 		case (b_addr)
-			3'b000:	bram_reg_b <= 32'hc840ae07;
-			3'b001:	bram_reg_b <= 32'h3449bf97;
-			3'b010:	bram_reg_b <= 32'h94cea131;
-			3'b011:	bram_reg_b <= 32'hd431cca9;
-			3'b100:	bram_reg_b <= 32'h83f061e9;
-			3'b101:	bram_reg_b <= 32'h711814b5;
-			3'b110:	bram_reg_b <= 32'h01e58065;
-			3'b111:	bram_reg_b <= 32'hb01cbd1c;
-		endcase
-
+			3'b000:	bram_reg_b <= 32'h227873d1;
+			3'b001:	bram_reg_b <= 32'h9e04b79d;
+			3'b010:	bram_reg_b <= 32'h3ce98229;
+			3'b011:	bram_reg_b <= 32'hba7dade6;
+			3'b100:	bram_reg_b <= 32'h9f7430db;
+			3'b101:	bram_reg_b <= 32'h293d9ac6;
+			3'b110:	bram_reg_b <= 32'hdb8ed040;
+			3'b111:	bram_reg_b <= 32'h07775510;
+		endcase
+		
 
 endmodule
-- 
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