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https://opencores.org/ocsvn/csa/csa/trunk
[/] [csa/] [trunk/] [rtl/] [decrypt.v] - Diff between revs 41 and 42
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| Rev 41 |
Rev 42 |
| Line 32... |
Line 32... |
, .even_ck (even_ck)
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, .even_ck (even_ck)
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, .even_kk (even_kk)
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, .even_kk (even_kk)
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);
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);
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wire ts_valid;
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wire ts_valid;
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wire ts_init;
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wire ts_head;
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wire ts_dec;
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wire ts_evenodd;
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wire [8*8-1:0]group;
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wire [8*8-1:0]group;
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wire [3:0] bytes;
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wire [3:0] bytes;
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ts_sync ts_sync(
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ts_sync ts_sync(
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. clk (clk)
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. clk (clk)
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, . rst (rst)
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, . rst (rst)
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, . en (en)
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, . en (en)
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, . datain (encrypted)
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, . datain (encrypted)
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, . valid (ts_valid)
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, . valid (ts_valid)
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, . head ()
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, . head (ts_head)
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, . dec ()
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, . dec (ts_dec)
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, . evenodd ()
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, . init (ts_init)
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, . evenodd (ts_evenodd)
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, . group (group)
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, . group (group)
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, . bytes (bytes)
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, . bytes (bytes)
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);
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);
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//// word grouper
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wire dec_valid;
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//reg [8*8-1:0] group; // 64bits
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wire [8*8-1:0]ogroup;
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//reg sync; // find sync
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wire [ 4-1:0]obytes;
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//reg [8-1:0] ts_cnt; // ts packet count
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group_decrypt group_decrypt(
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//reg using_even_odd_key; // 0 --- using even key; 1 --- using odd key
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.clk (clk)
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//reg need_dec;
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, .rst (rst)
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//reg group_valid;
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, .en (ts_valid)
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//reg group_valid_d;
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, .dec (ts_dec)
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//reg head;
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, .init (ts_init)
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//reg [5:0] group_id;
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, .ck (ts_evenodd?even_ck:odd_ck)
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//reg [4*8-1:0] group_d;
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, .kk (ts_evenodd?even_kk:odd_kk)
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//
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, .group (group)
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//
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, .bytes (bytes)
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//always @(posedge clk)
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, .valid (dec_valid)
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// if (rst)
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, .ogroup (ogroup)
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// begin
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, .obytes (obytes)
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// group <= 64'h00000000;
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);
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// sync <= 1'h0;
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// ts_cnt <= 8'h00;
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// using_even_odd_key <= 1'h0;
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// need_dec <= 1'h0;
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// group_valid_d <=1'h0;
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// head <= 1'h0;
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// end
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// else
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// begin
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// group_valid <=1'h0;
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// group_valid_d <= group_valid;
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// head <= 1'h0;
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// group_d <= group;
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// if(en)
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// begin
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// group <= { encrypted, group [8*8-1:1*8] };
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// if(sync)
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// begin
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// ts_cnt <= ts_cnt + 8'h01;
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// if(ts_cnt[2:0]==3'h7)
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// begin
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// group_valid<=1'h1;
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// group_id<=ts_cnt[7:3];
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// end
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// if(ts_cnt == 8'hb7 ) // 0xb8=188-4
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// begin
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// sync <= 1'h0;
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// ts_cnt<=8'h0;
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// end
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// end
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// else
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// begin
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// if(group[5*8-1:4*8]==8'h47)
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// begin
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// sync <= 1;
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// ts_cnt <= 8'h00;
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// using_even_odd_key <= group[62];
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// head <= 1'h1;
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// group_d <= {1'h0,group[62:32]};
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// end
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// end
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// end
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// end
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//
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//
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//// decrypt
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//// decrypt
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//reg [8*8-1:0] db;
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//reg [8*8-1:0] db;
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//reg db_valid;
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//reg db_valid;
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//
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//
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| Line 199... |
Line 163... |
// end
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// end
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//
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//
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// end
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// end
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//end
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//end
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//
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//
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//// degrouper
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//reg [2:0] cnt;
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//reg valid;
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//reg [7:0] decrypted;
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//reg [7*8-1:0] dec_group_ouput;
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//
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//always @(posedge clk)
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// if(rst)
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// begin
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// dec_group_ouput <= 32'h00000000;
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// cnt <= 2'h0;
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// end
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// else
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// begin
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// valid <= 1'h0;
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// if(db_valid)
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// begin
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// dec_group_ouput <= db[8*8-1:1*8];
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// decrypted <= db[7:0];
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// cnt <= 3'h7;
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// valid <= 1'h1;
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// end
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// if(cnt)
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// begin
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// valid <= 1'h1;
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// dec_group_ouput <= {dec_group_ouput [7:0],dec_group_ouput[7*8-1:1*8]};
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// decrypted <= dec_group_ouput [ 7:0 ];
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// cnt <= cnt - 2'h1;
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// end
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// if(head)
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// begin
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// dec_group_ouput <= group_d[4*8-1:1*8];
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// decrypted <= group_d[7:0];
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// cnt <= 2'h3;
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// valid <= 1'h1;
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// end
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// end
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//
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ts_serial_out ts_serial_out(
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ts_serial_out ts_serial_out(
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.clk (clk)
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.clk (clk)
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, .rst (rst)
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, .rst (rst)
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, .group (group)
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, .group (ogroup)
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, .bytes (bytes)
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, .bytes (obytes)
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, .en (ts_valid)
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, .en (dec_valid)
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, .dec (decrypted)
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, .dec (decrypted)
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, .valid (valid)
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, .valid (valid)
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);
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);
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