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-rw-r--r--crypto/ec/ec2_oct.c2
-rw-r--r--crypto/ec/ec_check.c2
-rw-r--r--crypto/ec/ec_key.c2
-rw-r--r--crypto/ec/ec_lib.c7
-rw-r--r--crypto/ec/ecp_oct.c2
-rw-r--r--test/ectest.c24
6 files changed, 23 insertions, 16 deletions
diff --git a/crypto/ec/ec2_oct.c b/crypto/ec/ec2_oct.c
index 821c371009..33f703b168 100644
--- a/crypto/ec/ec2_oct.c
+++ b/crypto/ec/ec2_oct.c
@@ -384,7 +384,7 @@ int ec_GF2m_simple_oct2point(const EC_GROUP *group, EC_POINT *point,
}
/* test required by X9.62 */
- if (!EC_POINT_is_on_curve(group, point, ctx)) {
+ if (EC_POINT_is_on_curve(group, point, ctx) <= 0) {
ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_POINT_IS_NOT_ON_CURVE);
goto err;
}
diff --git a/crypto/ec/ec_check.c b/crypto/ec/ec_check.c
index 1d44ad2283..bdbf91c470 100644
--- a/crypto/ec/ec_check.c
+++ b/crypto/ec/ec_check.c
@@ -85,7 +85,7 @@ int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx)
ECerr(EC_F_EC_GROUP_CHECK, EC_R_UNDEFINED_GENERATOR);
goto err;
}
- if (!EC_POINT_is_on_curve(group, group->generator, ctx)) {
+ if (EC_POINT_is_on_curve(group, group->generator, ctx) <= 0) {
ECerr(EC_F_EC_GROUP_CHECK, EC_R_POINT_IS_NOT_ON_CURVE);
goto err;
}
diff --git a/crypto/ec/ec_key.c b/crypto/ec/ec_key.c
index 07c33fe733..620860cad4 100644
--- a/crypto/ec/ec_key.c
+++ b/crypto/ec/ec_key.c
@@ -296,7 +296,7 @@ int EC_KEY_check_key(const EC_KEY *eckey)
goto err;
/* testing whether the pub_key is on the elliptic curve */
- if (!EC_POINT_is_on_curve(eckey->group, eckey->pub_key, ctx)) {
+ if (EC_POINT_is_on_curve(eckey->group, eckey->pub_key, ctx) <= 0) {
ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_POINT_IS_NOT_ON_CURVE);
goto err;
}
diff --git a/crypto/ec/ec_lib.c b/crypto/ec/ec_lib.c
index 9156943e20..3ddaa5d8fb 100644
--- a/crypto/ec/ec_lib.c
+++ b/crypto/ec/ec_lib.c
@@ -949,6 +949,13 @@ int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *point)
return group->meth->is_at_infinity(group, point);
}
+/*
+ * Check whether an EC_POINT is on the curve or not. Note that the return
+ * value for this function should NOT be treated as a boolean. Return values:
+ * 1: The point is on the curve
+ * 0: The point is not on the curve
+ * -1: An error occurred
+ */
int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point,
BN_CTX *ctx)
{
diff --git a/crypto/ec/ecp_oct.c b/crypto/ec/ecp_oct.c
index a68b559bc0..8bb7aa3090 100644
--- a/crypto/ec/ecp_oct.c
+++ b/crypto/ec/ecp_oct.c
@@ -410,7 +410,7 @@ int ec_GFp_simple_oct2point(const EC_GROUP *group, EC_POINT *point,
}
/* test required by X9.62 */
- if (!EC_POINT_is_on_curve(group, point, ctx)) {
+ if (EC_POINT_is_on_curve(group, point, ctx) <= 0) {
ECerr(EC_F_EC_GFP_SIMPLE_OCT2POINT, EC_R_POINT_IS_NOT_ON_CURVE);
goto err;
}
diff --git a/test/ectest.c b/test/ectest.c
index 977b8d969b..c8893f9f23 100644
--- a/test/ectest.c
+++ b/test/ectest.c
@@ -319,7 +319,7 @@ static void prime_field_tests(void)
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, Q, ctx)) {
+ if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) {
if (!EC_POINT_get_affine_coordinates_GFp(group, Q, x, y, ctx))
ABORT;
fprintf(stderr, "Point is not on curve: x = 0x");
@@ -439,7 +439,7 @@ static void prime_field_tests(void)
ABORT;
if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, P, ctx))
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "0100000000000000000001F4C8F927AED3CA752257"))
ABORT;
@@ -488,7 +488,7 @@ static void prime_field_tests(void)
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, P, ctx))
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"))
ABORT;
@@ -541,7 +541,7 @@ static void prime_field_tests(void)
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, P, ctx))
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn
(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"))
@@ -600,7 +600,7 @@ static void prime_field_tests(void)
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, P, ctx))
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E"
"84F3B9CAC2FC632551"))
@@ -656,7 +656,7 @@ static void prime_field_tests(void)
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, P, ctx))
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"))
@@ -715,7 +715,7 @@ static void prime_field_tests(void)
ABORT;
if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, P, ctx))
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!BN_hex2bn(&z, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
"FFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5"
@@ -759,7 +759,7 @@ static void prime_field_tests(void)
ABORT;
if (!EC_POINT_dbl(group, P, P, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, P, ctx))
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!EC_POINT_invert(group, Q, ctx))
ABORT; /* P = -2Q */
@@ -877,7 +877,7 @@ static void prime_field_tests(void)
# define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
if (!BN_hex2bn(&x, _x)) ABORT; \
if (!EC_POINT_set_compressed_coordinates_GF2m(group, P, x, _y_bit, ctx)) ABORT; \
- if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT; \
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; \
if (!BN_hex2bn(&z, _order)) ABORT; \
if (!BN_hex2bn(&cof, _cof)) ABORT; \
if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \
@@ -895,7 +895,7 @@ static void prime_field_tests(void)
if (!BN_hex2bn(&x, _x)) ABORT; \
if (!BN_hex2bn(&y, _y)) ABORT; \
if (!EC_POINT_set_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \
- if (!EC_POINT_is_on_curve(group, P, ctx)) ABORT; \
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; \
if (!BN_hex2bn(&z, _order)) ABORT; \
if (!BN_hex2bn(&cof, _cof)) ABORT; \
if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \
@@ -1024,7 +1024,7 @@ static void char2_field_tests(void)
if (!EC_POINT_set_affine_coordinates_GF2m(group, Q, x, y, ctx))
ABORT;
# endif
- if (!EC_POINT_is_on_curve(group, Q, ctx)) {
+ if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) {
/* Change test based on whether binary point compression is enabled or not. */
# ifdef OPENSSL_EC_BIN_PT_COMP
if (!EC_POINT_get_affine_coordinates_GF2m(group, Q, x, y, ctx))
@@ -1245,7 +1245,7 @@ static void char2_field_tests(void)
ABORT;
if (!EC_POINT_dbl(group, P, P, ctx))
ABORT;
- if (!EC_POINT_is_on_curve(group, P, ctx))
+ if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
ABORT;
if (!EC_POINT_invert(group, Q, ctx))
ABORT; /* P = -2Q */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-04 02:49:25 +0000