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authorJoachim StroĢˆmbergson <joachim@assured.se>2019-01-17 13:02:13 +0100
committerJoachim StroĢˆmbergson <joachim@assured.se>2019-01-17 13:02:13 +0100
commitf7c9cd18767f30259a285c3fd20a0905bea2b2d4 (patch)
tree0944681fa91ab03994dff5a7b73358809994e3b1 /src/rtl
parent5827799dd22a582c304142e5fa63add4ca92b065 (diff)
Added non-zero default timeout value in core. This fixes the keywrap problems by not automatically reset the key in the API. Enabled all testcases and disabled excessive debug outputs.auto_zeroise
Diffstat (limited to 'src/rtl')
-rw-r--r--src/rtl/keywrap_core.v4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/rtl/keywrap_core.v b/src/rtl/keywrap_core.v
index b084363..0354475 100644
--- a/src/rtl/keywrap_core.v
+++ b/src/rtl/keywrap_core.v
@@ -91,6 +91,8 @@ module keywrap_core #(parameter MEM_BITS = 11)
localparam CTRL_NEXT_FINALIZE = 4'ha;
localparam CTRL_ZERO_WAIT = 4'hb;
+ localparam DEFAULT_TIMEOUT = 32'h0400_0000;
+
//----------------------------------------------------------------
// Registers and memories including control signals.
@@ -222,7 +224,7 @@ module keywrap_core #(parameter MEM_BITS = 11)
key_loaded_reg <= 1'h0;
block_ctr_reg <= {(MEM_BITS - 1){1'h0}};
iteration_ctr_reg <= 3'h0;
- key_timeout_ctr_reg <= 32'h0;
+ key_timeout_ctr_reg <= DEFAULT_TIMEOUT;
keywrap_core_ctrl_reg <= CTRL_IDLE;
end