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Add EC_POINT conversion to BIGNUM (EC_POINT_point2bn)
Add setting affine coordinates for EC_POINT (EC_POINT_set_affine_coordinates_GFp)
Add bit clearing for BIGNUM (BN_clear_bit)
Add supporting unit tests in api.c
This commit is contained in:
Juliusz Sosinowicz
2019-11-26 15:29:12 +01:00
parent 89e35e2547
commit aea95232d1
8 changed files with 197 additions and 17 deletions
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25
tests/api.c
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@@ -1781,9 +1781,10 @@ static void test_wolfSSL_EC(void)
#ifdef HAVE_ECC
BN_CTX *ctx;
EC_GROUP *group;
EC_POINT *Gxy, *new_point;
EC_POINT *Gxy, *new_point, *set_point;
BIGNUM *k = NULL, *Gx = NULL, *Gy = NULL, *Gz = NULL;
BIGNUM *X, *Y;
BIGNUM *set_point_bn;
char* hexStr;
int group_bits;
@@ -1802,8 +1803,10 @@ static void test_wolfSSL_EC(void)
AssertIntEQ((group_bits = EC_GROUP_order_bits(group)), 256);
AssertNotNull(Gxy = EC_POINT_new(group));
AssertNotNull(new_point = EC_POINT_new(group));
AssertNotNull(set_point = EC_POINT_new(group));
AssertNotNull(X = BN_new());
AssertNotNull(Y = BN_new());
AssertNotNull(set_point_bn = BN_new());
/* load test values */
AssertIntEQ(BN_hex2bn(&k, kTest), WOLFSSL_SUCCESS);
@@ -1828,6 +1831,15 @@ static void test_wolfSSL_EC(void)
/* check if point X coordinate is zero */
AssertIntEQ(BN_is_zero(X), WOLFSSL_FAILURE);
/* set the same X and Y points in another object */
AssertIntEQ(EC_POINT_set_affine_coordinates_GFp(group, set_point, X, Y, ctx), WOLFSSL_SUCCESS);
/* compare points as they should be the same */
AssertIntEQ(EC_POINT_cmp(group, new_point, set_point, ctx), 0);
AssertPtrEq(EC_POINT_point2bn(group, set_point, POINT_CONVERSION_UNCOMPRESSED,
set_point_bn, ctx), set_point_bn);
/* check bn2hex */
hexStr = BN_bn2hex(k);
AssertStrEQ(hexStr, kTest);
@@ -1867,7 +1879,9 @@ static void test_wolfSSL_EC(void)
BN_free(X);
BN_free(Y);
BN_free(k);
BN_free(set_point_bn);
EC_POINT_free(new_point);
EC_POINT_free(set_point);
EC_POINT_free(Gxy);
EC_GROUP_free(group);
BN_CTX_free(ctx);
@@ -21519,6 +21533,15 @@ static void test_wolfSSL_BN(void)
AssertIntLT(BN_cmp(a, c), 0);
AssertIntGT(BN_cmp(c, b), 0);
AssertIntEQ(BN_set_word(a, 0), 1);
AssertIntEQ(BN_is_zero(a), 1);
AssertIntEQ(BN_set_bit(a, 0x45), 1);
AssertIntEQ(BN_is_zero(a), 0);
AssertIntEQ(BN_is_bit_set(a, 0x45), 1);
AssertIntEQ(BN_clear_bit(a, 0x45), 1);
AssertIntEQ(BN_is_bit_set(a, 0x45), 0);
AssertIntEQ(BN_is_zero(a), 1);
BN_free(a);
BN_free(b);
BN_free(c);