diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/.gitignore | 2 | ||||
| -rw-r--r-- | test/test_bn.c | 60 |
2 files changed, 61 insertions, 1 deletions
diff --git a/test/.gitignore b/test/.gitignore new file mode 100644 index 0000000..05cabee --- /dev/null +++ b/test/.gitignore @@ -0,0 +1,2 @@ +test_bn_val +test_bn_san diff --git a/test/test_bn.c b/test/test_bn.c index 66ce377..2d3461c 100644 --- a/test/test_bn.c +++ b/test/test_bn.c @@ -278,6 +278,64 @@ int test_bn_wnaf() { return failed; } +int test_bn_wnaf_manipulation() { + printf("test_bn_wnaf_manipulation: "); + bn_t bn; + bn_init(&bn); + bn_from_dec("123456789", &bn); + wnaf_t *naf = bn_wnaf(&bn, 3); + bn_clear(&bn); + if (naf->length != 28) { + printf("FAILED (bad length %li instead of 28)\n", naf->length); + return 1; + } + bn_naf_pad_left(naf, 0, 5); + if (naf->length != 33) { + printf("FAILED (bad length after pad left %li instead of 33)\n", naf->length); + return 1; + } + for (int i = 0; i < 5; i++) { + if (naf->data[i] != 0) { + printf("FAILED (bad data after pad left at %d (%i instead of 0))\n", i, naf->data[i]); + return 1; + } + } + bn_naf_strip_left(naf, 0); + if (naf->length != 28) { + printf("FAILED (bad length after strip left %li instead of 28)\n", naf->length); + return 1; + } + bn_naf_pad_right(naf, 0, 3); + if (naf->length != 31) { + printf("FAILED (bad length after pad right %li instead of 31)\n", naf->length); + return 1; + } + for (int i = 28; i < 31; i++) { + if (naf->data[i] != 0) { + printf("FAILED (bad data after pad right at %d (%i instead of 0))\n", i, naf->data[i]); + return 1; + } + } + bn_naf_strip_right(naf, 0); + if (naf->length != 28) { + printf("FAILED (bad length after strip right %li instead of 28)\n", naf->length); + return 1; + } + int8_t rev[28] = {-3, 0, 0, 3, 0, 0, 0, 0, -3, 0, 0, 0, -3, 0, 0, 0, 0, 0, -1, 0, 0, 3, 0, 0, -1, 0, 0, 1}; + bn_naf_reverse(naf); + for (int i = 0; i < 28; i++) { + if (naf->data[i] != rev[i]) { + printf("FAILED (bad data after reverse at %d (%i instead of %i))\n", i, naf->data[i], rev[i]); + return 1; + } + } + + free(naf->data); + free(naf); + printf("OK\n"); + return 0; +} + int main(void) { - return test_wsliding_ltr() + test_wsliding_rtl() + test_convert_base_small() + test_convert_base_large() + test_bn_wnaf(); + return test_wsliding_ltr() + test_wsliding_rtl() + test_convert_base_small() + test_convert_base_large() + test_bn_wnaf() + test_bn_wnaf_manipulation(); } |