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| -rw-r--r-- | src/rtl/sha256_k_constants.v | 387 |
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 +//====================================================================== |