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-rw-r--r--sw/aes_tester.c155
1 files changed, 101 insertions, 54 deletions
diff --git a/sw/aes_tester.c b/sw/aes_tester.c
index b8c5f52..d2f0656 100644
--- a/sw/aes_tester.c
+++ b/sw/aes_tester.c
@@ -47,30 +47,6 @@
#include "cryptech.h"
-
-//------------------------------------------------------------------
-// NIST test vectors.
-//------------------------------------------------------------------
-uint32_t nist_aes128_key[4] = {0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x09cf4f3c};
-uint32_t nist_aes256_key[8] = {0x603deb10, 0x15ca71be, 0x2b73aef0, 0x857d7781,
- 0x1f352c07, 0x3b6108d7, 0x2d9810a3, 0x0914dff4};
-
-uint32_t nist_plaintext0[4] = {0x6bc1bee2, 0x2e409f96, 0xe93d7e11, 0x7393172a};
-uint32_t nist_plaintext1[4] = {0xae2d8a57, 0x1e03ac9c, 0x9eb76fac, 0x45af8e51};
-uint32_t nist_plaintext2[4] = {0x30c81c46, 0xa35ce411, 0xe5fbc119, 0x1a0a52ef};
-uint32_t nist_plaintext3[4] = {0xf69f2445, 0xdf4f9b17, 0xad2b417b, 0xe66c3710};
-
-uint32_t nist_ecb_128_enc_expected0[4] = {0x3ad77bb4, 0x0d7a3660, 0xa89ecaf3, 0x2466ef97};
-uint32_t nist_ecb_128_enc_expected1[4] = {0xf5d3d585, 0x03b9699d, 0xe785895a, 0x96fdbaaf};
-uint32_t nist_ecb_128_enc_expected2[4] = {0x43b1cd7f, 0x598ece23, 0x881b00e3, 0xed030688};
-uint32_t nist_ecb_128_enc_expected3[4] = {0x7b0c785e, 0x27e8ad3f, 0x82232071, 0x04725dd4};
-
-uint32_t nist_ecb_256_enc_expected0[4] = {0xf3eed1bd, 0xb5d2a03c, 0x064b5a7e, 0x3db181f8};
-uint32_t nist_ecb_256_enc_expected1[4] = {0x591ccb10, 0xd410ed26, 0xdc5ba74a, 0x31362870};
-uint32_t nist_ecb_256_enc_expected2[4] = {0xb6ed21b9, 0x9ca6f4f9, 0xf153e7b1, 0xbeafed1d};
-uint32_t nist_ecb_256_enc_expected3[4] = {0x23304b7a, 0x39f9f3ff, 0x067d8d8f, 0x9e24ecc7};
-
-
//------------------------------------------------------------------
// Robs macros. Scary scary.
//------------------------------------------------------------------
@@ -145,47 +121,118 @@ void dual_block_test(uint8_t keylength, uint32_t *key, uint32_t *block0,
//
// Perform single block tests.
//------------------------------------------------------------------
-void single_block_test(uint8_t keylength, uint32_t *key, uint32_t *block,
+void single_block_test(uint32_t keylength, uint32_t *key, uint32_t *block,
uint32_t *expected)
{
+ uint32_t enc_result[4];
+ uint32_t dec_result[4];
+
+ tc_w32(AES_ADDR_KEY0, key[0]);
+ tc_w32(AES_ADDR_KEY1, key[1]);
+ tc_w32(AES_ADDR_KEY2, key[2]);
+ tc_w32(AES_ADDR_KEY3, key[3]);
+
+ if (keylength == 256) {
+ tc_w32(AES_ADDR_KEY0, key[4]);
+ tc_w32(AES_ADDR_KEY1, key[5]);
+ tc_w32(AES_ADDR_KEY2, key[6]);
+ tc_w32(AES_ADDR_KEY3, key[7]);
+ }
+
+ tc_w32(AES_ADDR_BLOCK0, block[0]);
+ tc_w32(AES_ADDR_BLOCK1, block[1]);
+ tc_w32(AES_ADDR_BLOCK2, block[2]);
+ tc_w32(AES_ADDR_BLOCK3, block[3]);
+
+ // Single block encipher operation.
+ if (keylength == 256)
+ tc_w32(AES_ADDR_CONFIG, 0x00000003);
+ else
+ tc_w32(AES_ADDR_CONFIG, 0x00000001);
+
+ tc_w32(AES_ADDR_CTRL, 0x00000001);
+ tc_wait_ready(AES_ADDR_STATUS);
-}
+ enc_result[0] = tc_r32(AES_ADDR_RESULT0);
+ enc_result[1] = tc_r32(AES_ADDR_RESULT1);
+ enc_result[2] = tc_r32(AES_ADDR_RESULT2);
+ enc_result[3] = tc_r32(AES_ADDR_RESULT3);
-//------------------------------------------------------------------
-// nist_single_block_ecb_128()
-//
-// The first NIST aes ecb mode single block test with
-// 128 bit key.
-//------------------------------------------------------------------
-void nist_single_block_ecb_128()
-{
- printf("Doing NIST ECB mode single block test with 128 bit key.\n");
+ tc_w32(AES_ADDR_BLOCK0, enc_result[0]);
+ tc_w32(AES_ADDR_BLOCK1, enc_result[1]);
+ tc_w32(AES_ADDR_BLOCK2, enc_result[2]);
+ tc_w32(AES_ADDR_BLOCK3, enc_result[3]);
- printf("Writing 128 bit key.\n");
- tc_w32(AES_ADDR_KEY0, 0x2b7e1516);
- tc_w32(AES_ADDR_KEY1, 0x28aed2a6);
- tc_w32(AES_ADDR_KEY2, 0xabf71588);
- tc_w32(AES_ADDR_KEY3, 0x09cf4f3c);
- printf("\n");
+ // Single block decipher operation.
+ if (keylength == 256)
+ tc_w32(AES_ADDR_CONFIG, 0x00000002);
+ else
+ tc_w32(AES_ADDR_CONFIG, 0x00000000);
+ tc_w32(AES_ADDR_CTRL, 0x00000001);
- printf("Writing data.\n");
- tc_w32(AES_ADDR_BLOCK0, 0x6bc1bee2);
- tc_w32(AES_ADDR_BLOCK1, 0x2e409f96);
- tc_w32(AES_ADDR_BLOCK2, 0xe93d7e11);
- tc_w32(AES_ADDR_BLOCK3, 0x7393172a);
+ tc_wait_ready(AES_ADDR_STATUS);
- printf("Setting 128-bit key mode and encipher operation.\n");
- printf("Starting the core processing.\n");
- tc_w32(AES_ADDR_CONFIG, 0x00000001);
- tc_w32(AES_ADDR_CTRL, 0x00000001);
+ dec_result[0] = tc_r32(AES_ADDR_RESULT0);
+ dec_result[1] = tc_r32(AES_ADDR_RESULT1);
+ dec_result[2] = tc_r32(AES_ADDR_RESULT2);
+ dec_result[3] = tc_r32(AES_ADDR_RESULT3);
- tc_wait_ready(AES_ADDR_STATUS);
printf("Generated cipher block:\n");
printf("0x%08x 0x%08x 0x%08x 0x%08x\n",
- tc_r32(AES_ADDR_RESULT0), tc_r32(AES_ADDR_RESULT1),
- tc_r32(AES_ADDR_RESULT2), tc_r32(AES_ADDR_RESULT3));
+ enc_result[0], enc_result[1], enc_result[2], enc_result[3]);
+ printf("Expected cipher block:\n");
+ printf("0x%08x 0x%08x 0x%08x 0x%08x\n",
+ expected[0], expected[1], expected[2], expected[3]);
+ printf("\n");
+
+ printf("Generated decipher block:\n");
+ printf("0x%08x 0x%08x 0x%08x 0x%08x\n",
+ dec_result[0], dec_result[1], dec_result[2], dec_result[3]);
+ printf("Expected decipher block:\n");
+ printf("0x%08x 0x%08x 0x%08x 0x%08x\n",
+ block[0], block[1], block[2], block[3]);
+ printf("\n");
+
+}
+
+
+//------------------------------------------------------------------
+// run_nist_tests()
+//------------------------------------------------------------------
+void run_nist_tests()
+{
+ uint32_t nist_aes128_key[4] = {0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x09cf4f3c};
+ uint32_t nist_aes256_key[8] = {0x603deb10, 0x15ca71be, 0x2b73aef0, 0x857d7781,
+ 0x1f352c07, 0x3b6108d7, 0x2d9810a3, 0x0914dff4};
+
+ uint32_t nist_plaintext0[4] = {0x6bc1bee2, 0x2e409f96, 0xe93d7e11, 0x7393172a};
+ uint32_t nist_plaintext1[4] = {0xae2d8a57, 0x1e03ac9c, 0x9eb76fac, 0x45af8e51};
+ uint32_t nist_plaintext2[4] = {0x30c81c46, 0xa35ce411, 0xe5fbc119, 0x1a0a52ef};
+ uint32_t nist_plaintext3[4] = {0xf69f2445, 0xdf4f9b17, 0xad2b417b, 0xe66c3710};
+
+ uint32_t nist_ecb_128_enc_expected0[4] = {0x3ad77bb4, 0x0d7a3660, 0xa89ecaf3, 0x2466ef97};
+ uint32_t nist_ecb_128_enc_expected1[4] = {0xf5d3d585, 0x03b9699d, 0xe785895a, 0x96fdbaaf};
+ uint32_t nist_ecb_128_enc_expected2[4] = {0x43b1cd7f, 0x598ece23, 0x881b00e3, 0xed030688};
+ uint32_t nist_ecb_128_enc_expected3[4] = {0x7b0c785e, 0x27e8ad3f, 0x82232071, 0x04725dd4};
+
+ uint32_t nist_ecb_256_enc_expected0[4] = {0xf3eed1bd, 0xb5d2a03c, 0x064b5a7e, 0x3db181f8};
+ uint32_t nist_ecb_256_enc_expected1[4] = {0x591ccb10, 0xd410ed26, 0xdc5ba74a, 0x31362870};
+ uint32_t nist_ecb_256_enc_expected2[4] = {0xb6ed21b9, 0x9ca6f4f9, 0xf153e7b1, 0xbeafed1d};
+ uint32_t nist_ecb_256_enc_expected3[4] = {0x23304b7a, 0x39f9f3ff, 0x067d8d8f, 0x9e24ecc7};
+
+ printf("Running NIST single block test.\n");
+
+ single_block_test(128, &nist_aes128_key[0], &nist_plaintext0[0], &nist_ecb_128_enc_expected0[0]);
+ single_block_test(128, &nist_aes128_key[0], &nist_plaintext1[0], &nist_ecb_128_enc_expected1[0]);
+ single_block_test(128, &nist_aes128_key[0], &nist_plaintext2[0], &nist_ecb_128_enc_expected2[0]);
+ single_block_test(128, &nist_aes128_key[0], &nist_plaintext3[0], &nist_ecb_128_enc_expected3[0]);
+
+ single_block_test(256, &nist_aes256_key[0], &nist_plaintext0[0], &nist_ecb_256_enc_expected0[0]);
+ single_block_test(256, &nist_aes256_key[0], &nist_plaintext1[0], &nist_ecb_256_enc_expected1[0]);
+ single_block_test(256, &nist_aes256_key[0], &nist_plaintext2[0], &nist_ecb_256_enc_expected2[0]);
+ single_block_test(256, &nist_aes256_key[0], &nist_plaintext3[0], &nist_ecb_256_enc_expected3[0]);
}
@@ -195,7 +242,7 @@ int main(int argc, char *argv[])
{
check_aes_access();
tc_set_debug(1);
- nist_single_block_ecb_128();
+ run_nist_tests();
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 01:47:48 +0000