From 3455dd0940bb09e2f08c7951d3b10f415251af80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= <joachim@secworks.se>
Date: Fri, 11 Jan 2019 15:11:46 +0100
Subject: Fixed parameterized widths.

---
 src/rtl/keywrap.v      | 4 ++--
 src/rtl/keywrap_core.v | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/rtl')

diff --git a/src/rtl/keywrap.v b/src/rtl/keywrap.v
index 73a861c..d6a2b5e 100644
--- a/src/rtl/keywrap.v
+++ b/src/rtl/keywrap.v
@@ -262,7 +262,7 @@ module keywrap #(parameter ADDR_BITS = 13)
             end
 
           if (rlen_we)
-            rlen_reg <= write_data[12 : 0];
+            rlen_reg <= write_data[(RLEN_BITS - 1) : 0];
 
           if (a0_we)
             a0_reg <= write_data;
@@ -374,7 +374,7 @@ module keywrap #(parameter ADDR_BITS = 13)
                 api_rd_delay_new = timeout_reg;
 
               if (address == {{PAD{1'h0}}, ADDR_RLEN})
-                api_rd_delay_new = {19'h0, rlen_reg};
+                api_rd_delay_new = {{(32 - RLEN_BITS){1'h0}}, rlen_reg};
 
               if (address == {{PAD{1'h0}}, ADDR_A0})
                 api_rd_delay_new = core_a_result[63 : 32];
diff --git a/src/rtl/keywrap_core.v b/src/rtl/keywrap_core.v
index 3da4a19..adb3099 100644
--- a/src/rtl/keywrap_core.v
+++ b/src/rtl/keywrap_core.v
@@ -285,7 +285,7 @@ module keywrap_core #(parameter MEM_BITS = 11)
       core_addr = block_ctr_reg;
       core_we   = 1'h0;
 
-      xor_val = (rlen * iteration_ctr_reg) + {51'h0, (block_ctr_reg + 1'h1)};
+      xor_val = (rlen * iteration_ctr_reg) + {53'h0, (block_ctr_reg + 1'h1)};
 
       if (encdec)
         aes_block = {a_reg, core_rd_data};
-- 
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