diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/rtl/sha256.v | 33 | ||||
| -rw-r--r-- | src/rtl/sha256_core.v | 8 |
2 files changed, 9 insertions, 32 deletions
diff --git a/src/rtl/sha256.v b/src/rtl/sha256.v index 551e3b9..7f1dc94 100644 --- a/src/rtl/sha256.v +++ b/src/rtl/sha256.v @@ -171,21 +171,13 @@ module sha256( wire [255 : 0] core_digest; wire core_digest_valid; - wire [31 : 0] state0_rd_data; reg state0_we; - wire [31 : 0] state1_rd_data; reg state1_we; - wire [31 : 0] state2_rd_data; reg state2_we; - wire [31 : 0] state3_rd_data; reg state3_we; - wire [31 : 0] state4_rd_data; reg state4_we; - wire [31 : 0] state5_rd_data; reg state5_we; - wire [31 : 0] state6_rd_data; reg state6_we; - wire [31 : 0] state7_rd_data; reg state7_we; reg [31 : 0] tmp_read_data; @@ -223,35 +215,27 @@ module sha256( // State access ports .H0_wr_data(write_data), .H0_we(state0_we), - .H0_rd_data(state0_rd_data), .H1_wr_data(write_data), .H1_we(state1_we), - .H1_rd_data(state1_rd_data), .H2_wr_data(write_data), .H2_we(state2_we), - .H2_rd_data(state2_rd_data), .H3_wr_data(write_data), .H3_we(state3_we), - .H3_rd_data(state3_rd_data), .H4_wr_data(write_data), .H4_we(state4_we), - .H4_rd_data(state4_rd_data), .H5_wr_data(write_data), .H5_we(state5_we), - .H5_rd_data(state5_rd_data), .H6_wr_data(write_data), .H6_we(state6_we), - .H6_rd_data(state6_rd_data), .H7_wr_data(write_data), .H7_we(state7_we), - .H7_rd_data(state7_rd_data), .ready(core_ready), @@ -743,29 +727,30 @@ module sha256( tmp_read_data = digest_reg[31 : 0]; end + ADDR_STATE0: - tmp_read_data = state0_rd_data; + tmp_read_data = digest_reg[255 : 224]; ADDR_STATE1: - tmp_read_data = state1_rd_data; + tmp_read_data = digest_reg[223 : 192]; ADDR_STATE2: - tmp_read_data = state2_rd_data; + tmp_read_data = digest_reg[191 : 160]; ADDR_STATE3: - tmp_read_data = state3_rd_data; + tmp_read_data = digest_reg[159 : 128]; ADDR_STATE4: - tmp_read_data = state4_rd_data; + tmp_read_data = digest_reg[127 : 96]; ADDR_STATE5: - tmp_read_data = state5_rd_data; + tmp_read_data = digest_reg[95 : 64]; ADDR_STATE6: - tmp_read_data = state6_rd_data; + tmp_read_data = digest_reg[63 : 32]; ADDR_STATE7: - tmp_read_data = state7_rd_data; + tmp_read_data = digest_reg[31 : 0]; default: begin diff --git a/src/rtl/sha256_core.v b/src/rtl/sha256_core.v index dbcec3b..fa21862 100644 --- a/src/rtl/sha256_core.v +++ b/src/rtl/sha256_core.v @@ -48,35 +48,27 @@ module sha256_core( // State access ports input wire [31 : 0] H0_wr_data, input wire H0_we, - output wire [31 : 0] H0_rd_data, input wire [31 : 0] H1_wr_data, input wire H1_we, - output wire [31 : 0] H1_rd_data, input wire [31 : 0] H2_wr_data, input wire H2_we, - output wire [31 : 0] H2_rd_data, input wire [31 : 0] H3_wr_data, input wire H3_we, - output wire [31 : 0] H3_rd_data, input wire [31 : 0] H4_wr_data, input wire H4_we, - output wire [31 : 0] H4_rd_data, input wire [31 : 0] H5_wr_data, input wire H5_we, - output wire [31 : 0] H5_rd_data, input wire [31 : 0] H6_wr_data, input wire H6_we, - output wire [31 : 0] H6_rd_data, input wire [31 : 0] H7_wr_data, input wire H7_we, - output wire [31 : 0] H7_rd_data, output wire ready, |