From 717f11e0fca162512a7e0675813a14cf23a539cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= <joachim@secworks.se>
Date: Tue, 2 Oct 2018 15:10:16 +0200
Subject: Reading AES result will be zero when ready is not set.
---
src/rtl/aes.v | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/rtl/aes.v b/src/rtl/aes.v
index ddee8f0..48a7735 100644
--- a/src/rtl/aes.v
+++ b/src/rtl/aes.v
@@ -256,7 +256,8 @@ module aes(
endcase // case (address)
if ((address >= ADDR_RESULT0) && (address <= ADDR_RESULT3))
- tmp_read_data = core_result[(3 - (address - ADDR_RESULT0)) * 32 +: 32];
+ if (core_ready)
+ tmp_read_data = core_result[(3 - (address - ADDR_RESULT0)) * 32 +: 32];
end
end
end // addr_decoder
--
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