[Cryptech-Commits] [core/hash/sha256] branch master updated: Compacted the code for K constants.

git at cryptech.is git at cryptech.is
Thu Oct 18 11:39:16 UTC 2018


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joachim at secworks.se pushed a commit to branch master
in repository core/hash/sha256.

The following commit(s) were added to refs/heads/master by this push:
     new d0bff25  Compacted the code for K constants.
d0bff25 is described below

commit d0bff25faf6cb96e0c4600cfc16eec03a78b059e
Author: Joachim Strömbergson <joachim at secworks.se>
AuthorDate: Thu Oct 18 13:38:47 2018 +0200

    Compacted the code for K constants.
---
 src/rtl/sha256_k_constants.v | 389 ++++++++-----------------------------------
 1 file changed, 67 insertions(+), 322 deletions(-)

diff --git a/src/rtl/sha256_k_constants.v b/src/rtl/sha256_k_constants.v
index 2da6c06..c14602d 100644
--- a/src/rtl/sha256_k_constants.v
+++ b/src/rtl/sha256_k_constants.v
@@ -9,7 +9,7 @@
 // Author: Joachim Strombergson
 // Copyright (c) 2014 NORDUnet A/S
 // All rights reserved.
-// 
+//
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -53,333 +53,78 @@ module sha256_k_constants(
   // Concurrent connectivity for ports etc.
   //----------------------------------------------------------------
   assign K = tmp_K;
-  
-  
+
+
   //----------------------------------------------------------------
   // addr_mux
   //----------------------------------------------------------------
   always @*
     begin : addr_mux
       case(addr)
-        0:
-          begin
-            tmp_K = 32'h428a2f98;
-          end
-
-        1:
-          begin
-            tmp_K = 32'h71374491;
-          end
-
-        2:
-          begin
-            tmp_K = 32'hb5c0fbcf;
-          end
-        
-        3:
-          begin
-            tmp_K = 32'he9b5dba5;
-          end
-        
-        4:
-          begin
-            tmp_K = 32'h3956c25b;
-          end
-        
-        5:
-          begin
-            tmp_K = 32'h59f111f1;
-          end
-        
-        6:
-          begin
-            tmp_K = 32'h923f82a4;
-          end
-        
-        7:
-          begin
-            tmp_K = 32'hab1c5ed5;
-          end
-        
-        8:
-          begin
-            tmp_K = 32'hd807aa98;
-          end
-        
-        9:
-          begin
-            tmp_K = 32'h12835b01;
-          end
-        
-        10:
-          begin
-            tmp_K = 32'h243185be;
-          end
-        
-        11:
-          begin
-            tmp_K = 32'h550c7dc3;
-          end
-        
-        12:
-          begin
-            tmp_K = 32'h72be5d74;
-          end
-        
-        13:
-          begin
-            tmp_K = 32'h80deb1fe;
-          end
-        
-        14:
-          begin
-            tmp_K = 32'h9bdc06a7;
-          end
-        
-        15:
-          begin
-            tmp_K = 32'hc19bf174;
-          end
-        
-        16:
-          begin
-            tmp_K = 32'he49b69c1;
-          end
-        
-        17:
-          begin
-            tmp_K = 32'hefbe4786;
-          end
-        
-        18:
-          begin
-            tmp_K = 32'h0fc19dc6;
-          end
-        
-        19:
-          begin
-            tmp_K = 32'h240ca1cc;
-          end
-        
-        20:
-          begin
-            tmp_K = 32'h2de92c6f;
-          end
-        
-        21:
-          begin
-            tmp_K = 32'h4a7484aa;
-          end
-        
-        22:
-          begin
-            tmp_K = 32'h5cb0a9dc;
-          end
-        
-        23:
-          begin
-            tmp_K = 32'h76f988da;
-          end
-        
-        24:
-          begin
-            tmp_K = 32'h983e5152;
-          end
-        
-        25:
-          begin
-            tmp_K = 32'ha831c66d;
-          end
-        
-        26:
-          begin
-            tmp_K = 32'hb00327c8;
-          end
-        
-        27:
-          begin
-            tmp_K = 32'hbf597fc7;
-          end
-        
-        28:
-          begin
-            tmp_K = 32'hc6e00bf3;
-          end
-        
-        29:
-          begin
-            tmp_K = 32'hd5a79147;
-          end
-        
-        30:
-          begin
-            tmp_K = 32'h06ca6351;
-          end
-        
-        31:
-          begin
-            tmp_K = 32'h14292967;
-          end
-        
-        32:
-          begin
-            tmp_K = 32'h27b70a85;
-          end
-        
-        33:
-          begin
-            tmp_K = 32'h2e1b2138;
-          end
-        
-        34:
-          begin
-            tmp_K = 32'h4d2c6dfc;
-          end
-        
-        35:
-          begin
-            tmp_K = 32'h53380d13;
-          end
-        
-        36:
-          begin
-            tmp_K = 32'h650a7354;
-          end
-        
-        37:
-          begin
-            tmp_K = 32'h766a0abb;
-          end
-        
-        38:
-          begin
-            tmp_K = 32'h81c2c92e;
-          end
-        
-        39:
-          begin
-            tmp_K = 32'h92722c85;
-          end
-        
-        40:
-          begin
-            tmp_K = 32'ha2bfe8a1;
-          end
-        
-        41:
-          begin
-            tmp_K = 32'ha81a664b;
-          end
-        
-        42:
-          begin
-            tmp_K = 32'hc24b8b70;
-          end
-        
-        43:
-          begin
-            tmp_K = 32'hc76c51a3;
-          end
-        
-        44:
-          begin
-            tmp_K = 32'hd192e819;
-          end
-        
-        45:
-          begin
-            tmp_K = 32'hd6990624;
-          end
-        
-        46:
-          begin
-            tmp_K = 32'hf40e3585;
-          end
-        
-        47:
-          begin
-            tmp_K = 32'h106aa070;
-          end
-        
-        48:
-          begin
-            tmp_K = 32'h19a4c116;
-          end
-        
-        49:
-          begin
-            tmp_K = 32'h1e376c08;
-          end
-        
-        50:
-          begin
-            tmp_K = 32'h2748774c;
-          end
-        
-        51:
-          begin
-            tmp_K = 32'h34b0bcb5;
-          end
-        
-        52:
-          begin
-            tmp_K = 32'h391c0cb3;
-          end
-        
-        53:
-          begin
-            tmp_K = 32'h4ed8aa4a;
-          end
-        
-        54:
-          begin
-            tmp_K = 32'h5b9cca4f;
-          end
-        
-        55:
-          begin
-            tmp_K = 32'h682e6ff3;
-          end
-        
-        56:
-          begin
-            tmp_K = 32'h748f82ee;
-          end
-        
-        57:
-          begin
-            tmp_K = 32'h78a5636f;
-          end
-        
-        58:
-          begin
-            tmp_K = 32'h84c87814;
-          end
-        
-        59:
-          begin
-            tmp_K = 32'h8cc70208;
-          end
-        
-        60:
-          begin
-            tmp_K = 32'h90befffa;
-          end
-        
-        61:
-          begin
-            tmp_K = 32'ha4506ceb;
-          end
-        
-        62:
-          begin
-            tmp_K = 32'hbef9a3f7;
-          end
-        
-        63:
-          begin
-            tmp_K = 32'hc67178f2;
-          end
+        00: tmp_K = 32'h428a2f98;
+        01: tmp_K = 32'h71374491;
+        02: tmp_K = 32'hb5c0fbcf;
+        03: tmp_K = 32'he9b5dba5;
+        04: tmp_K = 32'h3956c25b;
+        05: tmp_K = 32'h59f111f1;
+        06: tmp_K = 32'h923f82a4;
+        07: tmp_K = 32'hab1c5ed5;
+        08: tmp_K = 32'hd807aa98;
+        09: tmp_K = 32'h12835b01;
+        10: tmp_K = 32'h243185be;
+        11: tmp_K = 32'h550c7dc3;
+        12: tmp_K = 32'h72be5d74;
+        13: tmp_K = 32'h80deb1fe;
+        14: tmp_K = 32'h9bdc06a7;
+        15: tmp_K = 32'hc19bf174;
+        16: tmp_K = 32'he49b69c1;
+        17: tmp_K = 32'hefbe4786;
+        18: tmp_K = 32'h0fc19dc6;
+        19: tmp_K = 32'h240ca1cc;
+        20: tmp_K = 32'h2de92c6f;
+        21: tmp_K = 32'h4a7484aa;
+        22: tmp_K = 32'h5cb0a9dc;
+        23: tmp_K = 32'h76f988da;
+        24: tmp_K = 32'h983e5152;
+        25: tmp_K = 32'ha831c66d;
+        26: tmp_K = 32'hb00327c8;
+        27: tmp_K = 32'hbf597fc7;
+        28: tmp_K = 32'hc6e00bf3;
+        29: tmp_K = 32'hd5a79147;
+        30: tmp_K = 32'h06ca6351;
+        31: tmp_K = 32'h14292967;
+        32: tmp_K = 32'h27b70a85;
+        33: tmp_K = 32'h2e1b2138;
+        34: tmp_K = 32'h4d2c6dfc;
+        35: tmp_K = 32'h53380d13;
+        36: tmp_K = 32'h650a7354;
+        37: tmp_K = 32'h766a0abb;
+        38: tmp_K = 32'h81c2c92e;
+        39: tmp_K = 32'h92722c85;
+        40: tmp_K = 32'ha2bfe8a1;
+        41: tmp_K = 32'ha81a664b;
+        42: tmp_K = 32'hc24b8b70;
+        43: tmp_K = 32'hc76c51a3;
+        44: tmp_K = 32'hd192e819;
+        45: tmp_K = 32'hd6990624;
+        46: tmp_K = 32'hf40e3585;
+        47: tmp_K = 32'h106aa070;
+        48: tmp_K = 32'h19a4c116;
+        49: tmp_K = 32'h1e376c08;
+        50: tmp_K = 32'h2748774c;
+        51: tmp_K = 32'h34b0bcb5;
+        52: tmp_K = 32'h391c0cb3;
+        53: tmp_K = 32'h4ed8aa4a;
+        54: tmp_K = 32'h5b9cca4f;
+        55: tmp_K = 32'h682e6ff3;
+        56: tmp_K = 32'h748f82ee;
+        57: tmp_K = 32'h78a5636f;
+        58: tmp_K = 32'h84c87814;
+        59: tmp_K = 32'h8cc70208;
+        60: tmp_K = 32'h90befffa;
+        61: tmp_K = 32'ha4506ceb;
+        62: tmp_K = 32'hbef9a3f7;
+        63: tmp_K = 32'hc67178f2;
       endcase // case (addr)
     end // block: addr_mux
 endmodule // sha256_k_constants

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