aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/rtl/sha256_k_constants.v387
1 files changed, 387 insertions, 0 deletions
diff --git a/src/rtl/sha256_k_constants.v b/src/rtl/sha256_k_constants.v
new file mode 100644
index 0000000..2acd3a6
--- /dev/null
+++ b/src/rtl/sha256_k_constants.v
@@ -0,0 +1,387 @@
+//======================================================================
+//
+// sha256_k_constants.v
+// --------------------
+// The table K with constants in the SHA-256 hash function.
+// A simple combinational ROM basically.
+//
+//
+// Author: Joachim Strombergson
+// Copyright (c) 2014 SUNET
+//
+// Redistribution and use in source and binary forms, with or
+// without modification, are permitted provided that the following
+// conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in
+// the documentation and/or other materials provided with the
+// distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//======================================================================
+
+module sha256_k_constants(
+ input wire [5 : 0] addr,
+ output wire [31 : 0] K
+ );
+
+ //----------------------------------------------------------------
+ // Wires.
+ //----------------------------------------------------------------
+ reg [31 : 0] tmp_K;
+
+
+ //----------------------------------------------------------------
+ // 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
+ endcase // case (addr)
+ end // block: addr_mux
+endmodule // sha256_k_constants
+
+//======================================================================
+// EOF sha256_k_constants.v
+//======================================================================