diff options
Diffstat (limited to 'src/tb/tb_aes_core.v')
| -rw-r--r-- | src/tb/tb_aes_core.v | 89 |
1 files changed, 29 insertions, 60 deletions
diff --git a/src/tb/tb_aes_core.v b/src/tb/tb_aes_core.v index d7c424c..d36d0bc 100644 --- a/src/tb/tb_aes_core.v +++ b/src/tb/tb_aes_core.v @@ -339,8 +339,15 @@ module tb_aes_core(); endtask // ecb_mode_single_block_test - task nist_fips_tests; - begin : fips_tests + //---------------------------------------------------------------- + // aes_core_test + // The main test functionality. + // + // Test cases taken from NIST SP 800-38A: + // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf + //---------------------------------------------------------------- + initial + begin : aes_core_test reg [255 : 0] nist_aes128_key; reg [255 : 0] nist_aes256_key; @@ -378,19 +385,29 @@ module tb_aes_core(); nist_ecb_256_enc_expected3 = 128'h23304b7a39f9f3ff067d8d8f9e24ecc7; - $display("NIST FIPS ECB 128 bit key tests"); - $display("-------------------------------"); + $display(" -= Testbench for aes core started =-"); + $display(" ================================"); + $display(""); + + init_sim(); + dump_dut_state(); + reset_dut(); + dump_dut_state(); + + + $display("ECB 128 bit key tests"); + $display("---------------------"); ecb_mode_single_block_test(8'h01, AES_ENCIPHER, nist_aes128_key, AES_128_BIT_KEY, nist_plaintext0, nist_ecb_128_enc_expected0); - ecb_mode_single_block_test(8'h02, AES_ENCIPHER, nist_aes128_key, AES_128_BIT_KEY, - nist_plaintext1, nist_ecb_128_enc_expected1); + ecb_mode_single_block_test(8'h02, AES_ENCIPHER, nist_aes128_key, AES_128_BIT_KEY, + nist_plaintext1, nist_ecb_128_enc_expected1); - ecb_mode_single_block_test(8'h03, AES_ENCIPHER, nist_aes128_key, AES_128_BIT_KEY, - nist_plaintext2, nist_ecb_128_enc_expected2); + ecb_mode_single_block_test(8'h03, AES_ENCIPHER, nist_aes128_key, AES_128_BIT_KEY, + nist_plaintext2, nist_ecb_128_enc_expected2); - ecb_mode_single_block_test(8'h04, AES_ENCIPHER, nist_aes128_key, AES_128_BIT_KEY, - nist_plaintext3, nist_ecb_128_enc_expected3); + ecb_mode_single_block_test(8'h04, AES_ENCIPHER, nist_aes128_key, AES_128_BIT_KEY, + nist_plaintext3, nist_ecb_128_enc_expected3); ecb_mode_single_block_test(8'h05, AES_DECIPHER, nist_aes128_key, AES_128_BIT_KEY, @@ -407,8 +424,8 @@ module tb_aes_core(); $display(""); - $display("NIST FIPS ECB 256 bit key tests"); - $display("-------------------------------"); + $display("ECB 256 bit key tests"); + $display("---------------------"); ecb_mode_single_block_test(8'h10, AES_ENCIPHER, nist_aes256_key, AES_256_BIT_KEY, nist_plaintext0, nist_ecb_256_enc_expected0); @@ -433,55 +450,7 @@ module tb_aes_core(); ecb_mode_single_block_test(8'h17, AES_DECIPHER, nist_aes256_key, AES_256_BIT_KEY, nist_ecb_256_enc_expected3, nist_plaintext3); - end - endtask // nist_fips_tests - - - //---------------------------------------------------------------- - // nist_kwp_test() - // - // Test that we can perform operations based on NIST KWP - // AE 128 test vectors. - //---------------------------------------------------------------- - task nist_kwp_test; - reg [255 : 0] kwp_key; - reg [127 : 0] kwp_plaintext; - reg [127 : 0] kwp_expected; - - begin - kwp_key = 256'hc03db3cc1416dcd1c069a195a8d77e3d00000000000000000000000000000000; - kwp_plaintext = 128'ha65959a60000001f46f87f58cdda4200; - kwp_expected = 128'hd1bac797ff82fa4bde9f7490729fd0a7; - - $display(""); - $display("NIST KWP AE 128 bit test"); - - ecb_mode_single_block_test(8'h18, AES_ENCIPHER, kwp_key, AES_128_BIT_KEY, - kwp_plaintext, kwp_expected); - end - endtask // nist_kwp_test - - - //---------------------------------------------------------------- - // aes_core_test - // The main test functionality. - // - // Test cases taken from NIST SP 800-38A: - // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf - //---------------------------------------------------------------- - initial - begin : aes_core_test - $display(" -= Testbench for aes core started =-"); - $display(" ================================"); - $display(""); - - init_sim(); - dump_dut_state(); - reset_dut(); - dump_dut_state(); - nist_fips_tests(); - nist_kwp_test(); display_test_result(); $display(""); |