From 6b15816bff4c0c3ab22bf6d8185da48a263f7727 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= Date: Thu, 5 Jul 2018 09:58:39 +0200 Subject: Fixed memory word order. Fixed a number of bugs. First block encrypted correctly. A state is wrong and memory is read too far. --- src/rtl/keywrap_core.v | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) (limited to 'src/rtl/keywrap_core.v') diff --git a/src/rtl/keywrap_core.v b/src/rtl/keywrap_core.v index e7b7749..07a079b 100644 --- a/src/rtl/keywrap_core.v +++ b/src/rtl/keywrap_core.v @@ -127,6 +127,7 @@ module keywrap_core ( reg aes_init; reg aes_next; wire aes_ready; + wire aes_valid; reg [127 : 0] aes_block; wire [127 : 0] aes_result; @@ -170,7 +171,7 @@ module keywrap_core ( .ready(aes_ready), .result(aes_result), - .result_valid() + .result_valid(aes_valid) ); @@ -351,7 +352,10 @@ module keywrap_core ( ready_we = 1'h1; valid_new = 1'h0; valid_we = 1'h1; - keywrap_core_ctrl_new = CTRL_NEXT_START; + init_a = 1'h1; + block_ctr_rst = 1'h1; + iteration_ctr_rst = 1'h1; + keywrap_core_ctrl_new = CTRL_NEXT_LOOP; keywrap_core_ctrl_we = 1'h1; end end @@ -376,16 +380,6 @@ module keywrap_core ( end - CTRL_NEXT_START: - begin - init_a = 1'h1; - block_ctr_rst = 1'h1; - iteration_ctr_rst = 1'h1; - keywrap_core_ctrl_new = CTRL_NEXT_LOOP; - keywrap_core_ctrl_we = 1'h1; - end - - CTRL_NEXT_LOOP: begin aes_next = 1'h1; -- cgit v1.2.3