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https://opencores.org/ocsvn/apbtoaes128/apbtoaes128/trunk
[/] [apbtoaes128/] [trunk/] [rtl/] [datapath.v] - Diff between revs 14 and 15
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| Rev 14 |
Rev 15 |
| Line 261... |
Line 261... |
.data_in ( sbox_input ),
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.data_in ( sbox_input ),
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.swap_type( data_type )
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.swap_type( data_type )
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);
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);
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|
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// IV and BKP Muxs
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// IV and BKP Muxs
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always@(*)
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always@(iv_mux_out or bkp_mux_out or col_en or iv_sel_rd or iv[0] or iv[1] or iv[2] or iv[3] or bkp[0] or bkp[1] or bkp[2] or bkp[3])
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begin: IV_BKP_MUX
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begin: IV_BKP_MUX
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integer i;
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integer i;
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iv_mux_out = {32{1'b0}};
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iv_mux_out = {32{1'b0}};
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bkp_mux_out = {32{1'b0}};
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bkp_mux_out = {32{1'b0}};
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for(i = 0; i < 4; i = i + 1)
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for(i = 0; i < 4; i = i + 1)
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| Line 394... |
Line 394... |
.data_out_dec ( sr_dec ),
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.data_out_dec ( sr_dec ),
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.data_in ( sr_input )
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.data_in ( sr_input )
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);
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);
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|
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//SBOX Input Multiplexor
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//SBOX Input Multiplexor
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always @(*)
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always @(sbox_input or sbox_sel or col_sel_host or col[0] or col[1] or col[2] or col[3] or g_in)
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begin
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begin
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sbox_input = {32{1'b0}};
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sbox_input = {32{1'b0}};
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case(sbox_sel | col_sel_host)
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case(sbox_sel | col_sel_host)
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COL_0:
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COL_0:
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sbox_input = col[0];
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sbox_input = col[0];
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| Line 473... |
Line 473... |
);
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);
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|
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assign key_mux_sel = (bypass_key_en) ? key_out_sel : ( (enc_dec | mode_ctr) ? key_out_sel_pp2 : key_out_sel_pp1 );
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assign key_mux_sel = (bypass_key_en) ? key_out_sel : ( (enc_dec | mode_ctr) ? key_out_sel_pp2 : key_out_sel_pp1 );
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|
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// Key Expander Mux
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// Key Expander Mux
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always @(*)
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always @(key_mux_out or key_mux_sel or key_sel_rd or key[0] or key[1] or key[2] or key[3])
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begin
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begin
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key_mux_out = {32{1'b0}};
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key_mux_out = {32{1'b0}};
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case(key_mux_sel | key_sel_rd)
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case(key_mux_sel | key_sel_rd)
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KEY_0:
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KEY_0:
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key_mux_out = key[0];
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key_mux_out = key[0];
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