diff options
Diffstat (limited to 'sw')
| -rw-r--r-- | sw/modexp_tester.c | 123 |
1 files changed, 92 insertions, 31 deletions
diff --git a/sw/modexp_tester.c b/sw/modexp_tester.c index 26249d1..2389640 100644 --- a/sw/modexp_tester.c +++ b/sw/modexp_tester.c @@ -305,7 +305,7 @@ uint8_t testrunner(uint32_t exp_len, uint32_t *exponent, for (i = 0 ; i < mod_len ; i++) { result = tc_r32(MODEXP_RESULT_DATA); if (result != expected[i]) { - printf("TC1: Error. Expected 0x%08x, got 0x%08x\n", expected[i], result); + printf("Error. Expected 0x%08x, got 0x%08x\n", expected[i], result); correct = 0; } } @@ -325,16 +325,16 @@ uint8_t testrunner(uint32_t exp_len, uint32_t *exponent, //------------------------------------------------------------------ static void tc1() { - uint32_t exponent[1] = {0x00000007}; - uint32_t modulus[1] = {0x0000000b}; - uint32_t message[1] = {0x00000003}; - uint32_t expected[1] = {0x00000009}; + uint32_t exponent[] = {0x00000007}; + uint32_t modulus[] = {0x0000000b}; + uint32_t message[] = {0x00000003}; + uint32_t expected[] = {0x00000009}; uint8_t result; printf("Running TC1: 0x03 ** 0x07 mod 0x0b = 0x09\n"); - result = testrunner(1, &exponent[0], 1, &modulus[0], - &message[0], &expected[0]); + result = testrunner(1, exponent, 1, modulus, message, expected); + if (result) printf("TC1: OK\n"); else @@ -353,16 +353,17 @@ static void tc1() //------------------------------------------------------------------ static void tc2() { - uint32_t exponent[1] = {0x000000fb}; - uint32_t modulus[1] = {0x00000101}; - uint32_t message[1] = {0x000000fb}; - uint32_t expected[1] = {0x000000b7}; + uint32_t exponent[] = {0x000000fb}; + uint32_t modulus[] = {0x00000101}; + uint32_t message[] = {0x000000fb}; + uint32_t expected[] = {0x000000b7}; uint8_t result; printf("Running TC2: 0xfb ** 0xfb mod 0x101 = 0xb7\n"); - result = testrunner(1, &exponent[0], 1, &modulus[0], - &message[0], &expected[0]); + + result = testrunner(1, exponent, 1, modulus, message, expected); + if (result) printf("TC2: OK\n"); else @@ -381,16 +382,16 @@ static void tc2() //------------------------------------------------------------------ static void tc3() { - uint32_t exponent[1] = {0x00000041}; - uint32_t modulus[1] = {0x00000087}; - uint32_t message[1] = {0x00000081}; - uint32_t expected[1] = {0x00000036}; + uint32_t exponent[] = {0x00000041}; + uint32_t modulus[] = {0x00000087}; + uint32_t message[] = {0x00000081}; + uint32_t expected[] = {0x00000036}; uint8_t result; printf("Running TC3: 0x81 ** 0x41 mod 0x87 = 0x36\n"); - result = testrunner(1, &exponent[0], 1, &modulus[0], - &message[0], &expected[0]); + result = testrunner(1, exponent, 1, modulus, message, expected); + if (result) printf("TC3: OK\n"); else @@ -411,16 +412,16 @@ static void tc3() //------------------------------------------------------------------ static void tc4() { - uint32_t exponent[2] = {0x00000001, 0x0e85e74f}; - uint32_t modulus[2] = {0x00000001, 0x70754797}; - uint32_t message[2] = {0x00000001, 0x946473e1}; - uint32_t expected[2] = {0x00000000, 0x7761ed4f}; + uint32_t exponent[] = {0x00000001, 0x0e85e74f}; + uint32_t modulus[] = {0x00000001, 0x70754797}; + uint32_t message[] = {0x00000001, 0x946473e1}; + uint32_t expected[] = {0x00000000, 0x7761ed4f}; uint8_t result; printf("Running TC4: 0x00000001946473e1 ** 0xh000000010e85e74f mod 0x0000000170754797 = 0x000000007761ed4f\n"); - result = testrunner(2, &exponent[0], 2, &modulus[0], - &message[0], &expected[0]); + result = testrunner(2, exponent, 2, modulus, message, expected); + if (result) printf("TC4: OK\n"); else @@ -435,16 +436,16 @@ static void tc4() //------------------------------------------------------------------ static void tc5() { - uint32_t exponent[4] = {0x3285c343, 0x2acbcb0f, 0x4d023228, 0x2ecc73db}; - uint32_t modulus[4] = {0x267d2f2e, 0x51c216a7, 0xda752ead, 0x48d22d89}; - uint32_t message[4] = {0x29462882, 0x12caa2d5, 0xb80e1c66, 0x1006807f}; - uint32_t expected[4] = {0x0ddc404d, 0x91600596, 0x7425a8d8, 0xa066ca56}; + uint32_t exponent[] = {0x3285c343, 0x2acbcb0f, 0x4d023228, 0x2ecc73db}; + uint32_t modulus[] = {0x267d2f2e, 0x51c216a7, 0xda752ead, 0x48d22d89}; + uint32_t message[] = {0x29462882, 0x12caa2d5, 0xb80e1c66, 0x1006807f}; + uint32_t expected[] = {0x0ddc404d, 0x91600596, 0x7425a8d8, 0xa066ca56}; uint8_t result; printf("Running TC5: 128 bit operands\n"); - result = testrunner(4, &exponent[0], 4, &modulus[0], - &message[0], &expected[0]); + result = testrunner(4, exponent, 4, modulus, message, expected); + if (result) printf("TC5: OK\n"); else @@ -453,6 +454,64 @@ static void tc5() //------------------------------------------------------------------ +// tc6() +// +// e = 65537 and message, modulus are 64 bit oprerands. +//------------------------------------------------------------------ +static void tc6() +{ + uint32_t message[] = {0x00000000, 0xdb5a7e09, 0x86b98bfb}; + + uint32_t exponent[] = {0x00000000, 0x00000000, 0x00010001}; + + uint32_t modulus[] = {0x00000000, 0xb3164743, 0xe1de267d}; + + uint32_t expected[] = {0x00000000, 0x9fc7f328, 0x3ba0ae18}; + uint8_t result; + + printf("Running TC6: e=65537 and 64 bit operands\n"); + + result = testrunner(3, exponent, 3, modulus, message, expected); + + if (result) + printf("TC6: OK\n"); + else + printf("TC6: NOT OK\n"); +} + + +//------------------------------------------------------------------ +// tc7() +// +// e = 65537 and message, modulus are 256 bit oprerands. +//------------------------------------------------------------------ +static void tc7() +{ + uint32_t message[] = {0x00000000, 0xbd589a51, 0x2ba97013, 0xc4736649, 0xe233fd5c, + 0x39fcc5e5, 0x2d60b324, 0x1112f2d0, 0x1177c62b}; + + uint32_t exponent[] = {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00010001}; + + uint32_t modulus[] = {0x00000000, 0xf169d36e, 0xbe2ce61d, 0xc2e87809, 0x4fed15c3, + 0x7c70eac5, 0xa123e643, 0x299b36d2, 0x788e583b}; + + uint32_t expected[] = {0x00000000, 0x7c5f0fee, 0x73028fc5, 0xc4fe57c4, 0x91a6f5be, + 0x33a5c174, 0x2d2c2bcd, 0xda80e7d6, 0xfb4c889f}; + uint8_t result; + + printf("Running TC7: e=65537 and 256 bit operands\n"); + + result = testrunner(9, exponent, 9, modulus, message, expected); + + if (result) + printf("TC7: OK\n"); + else + printf("TC7: NOT OK\n"); +} + + +//------------------------------------------------------------------ // main() //------------------------------------------------------------------ int main(void) @@ -469,6 +528,8 @@ int main(void) tc3(); tc4(); tc5(); + tc6(); + tc7(); return 0; } |