diff options
author | Joachim StroĢmbergson <joachim@secworks.se> | 2018-12-11 14:40:28 +0100 |
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committer | Joachim StroĢmbergson <joachim@secworks.se> | 2018-12-11 14:40:28 +0100 |
commit | 462c86f8f897448e45fa8b2e21a25c04d5c7dafd (patch) | |
tree | 9bb21c4f6a3ebec95663d59c551beb9891b157be /src/rtl/keywrap.v | |
parent | 4665dcca8381b60a34ae2f47a2949822b4fbbf09 (diff) |
Zeroisation of wrapper key registers. Adding reset of key_loaded register.
Diffstat (limited to 'src/rtl/keywrap.v')
-rw-r--r-- | src/rtl/keywrap.v | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/rtl/keywrap.v b/src/rtl/keywrap.v index 02c20fc..36e95bf 100644 --- a/src/rtl/keywrap.v +++ b/src/rtl/keywrap.v @@ -270,6 +270,12 @@ module keywrap #(parameter ADDR_BITS = 13) if (a1_we) a1_reg <= write_data; + if (zeroise_reg) + begin + for (i = 0 ; i < 8 ; i = i + 1) + key_reg[i] <= 32'h0; + end + if (key_we) key_reg[address[2 : 0]] <= write_data; |