[Cryptech-Commits] [core/rng/trng] 01/04: Changed the max number of blocks to force reseed once every 256 TByte. Changed default number of blocks to do reseed once every 16 GByte.

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joachim at secworks.se pushed a commit to branch master
in repository core/rng/trng.

commit 7167afd469c16d15e9a89db4aa767ff10ea060a5
Author: Joachim Strömbergson <joachim at secworks.se>
Date:   Wed Sep 2 14:27:05 2015 +0200

    Changed the max number of blocks to force reseed once every 256 TByte. Changed default number of blocks to do reseed once every 16 GByte.
---
 src/rtl/trng_csprng.v | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/rtl/trng_csprng.v b/src/rtl/trng_csprng.v
index 208feb1..ce5b50f 100644
--- a/src/rtl/trng_csprng.v
+++ b/src/rtl/trng_csprng.v
@@ -104,7 +104,7 @@ module trng_csprng(
   localparam ADDR_TEST_SEED_W15    = 8'h8f;
 
   localparam CIPHER_KEYLEN256  = 1'b1; // 256 bit key.
-  localparam CIPHER_MAX_BLOCKS = 64'h1000000000000000;
+  localparam CIPHER_MAX_BLOCKS = 64'h0000000100000000;
 
   localparam CTRL_IDLE   = 4'h0;
   localparam CTRL_SEED0  = 4'h1;
@@ -119,6 +119,7 @@ module trng_csprng(
 
   localparam DEFAULT_NUM_ROUNDS = 5'h18;
   localparam DEFAULT_NUM_BLOCKS = 64'h1000000000000000;
+  localparam DEFAULT_NUM_BLOCKS = 64'h0000000001000000;
 
   parameter CORE_NAME0     = 32'h63737072; // "cspr"
   parameter CORE_NAME1     = 32'h6e672020; // "ng  "