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)
            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