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Hakase
2020-04-15 18:45:34 +09:00
parent be29e7bcc6
commit 2015c00c43
573 changed files with 22943 additions and 6714 deletions
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crypto/ec/ec_lib.c
+29 -23
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@@ -599,12 +599,7 @@ int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx)
BIGNUM *a1, *a2, *a3, *b1, *b2, *b3;
#ifndef FIPS_MODE
BN_CTX *ctx_new = NULL;
if (ctx == NULL)
ctx_new = ctx = BN_CTX_new();
#endif
if (ctx == NULL)
return -1;
/* compare the field types */
if (EC_METHOD_get_field_type(EC_GROUP_method_of(a)) !=
@@ -617,6 +612,13 @@ int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx)
if (a->meth->flags & EC_FLAGS_CUSTOM_CURVE)
return 0;
#ifndef FIPS_MODE
if (ctx == NULL)
ctx_new = ctx = BN_CTX_new();
#endif
if (ctx == NULL)
return -1;
BN_CTX_start(ctx);
a1 = BN_CTX_get(ctx);
a2 = BN_CTX_get(ctx);
@@ -1047,7 +1049,24 @@ int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
size_t i = 0;
#ifndef FIPS_MODE
BN_CTX *new_ctx = NULL;
#endif
if (!ec_point_is_compat(r, group)) {
ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
if (scalar == NULL && num == 0)
return EC_POINT_set_to_infinity(group, r);
for (i = 0; i < num; i++) {
if (!ec_point_is_compat(points[i], group)) {
ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
}
#ifndef FIPS_MODE
if (ctx == NULL)
ctx = new_ctx = BN_CTX_secure_new();
#endif
@@ -1056,21 +1075,6 @@ int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
return 0;
}
if ((scalar == NULL) && (num == 0)) {
return EC_POINT_set_to_infinity(group, r);
}
if (!ec_point_is_compat(r, group)) {
ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
for (i = 0; i < num; i++) {
if (!ec_point_is_compat(points[i], group)) {
ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
}
if (group->meth->mul != NULL)
ret = group->meth->mul(group, r, scalar, num, points, scalars, ctx);
else
@@ -1183,16 +1187,18 @@ static int ec_field_inverse_mod_ord(const EC_GROUP *group, BIGNUM *r,
int ret = 0;
#ifndef FIPS_MODE
BN_CTX *new_ctx = NULL;
#endif
if (group->mont_data == NULL)
return 0;
#ifndef FIPS_MODE
if (ctx == NULL)
ctx = new_ctx = BN_CTX_secure_new();
#endif
if (ctx == NULL)
return 0;
if (group->mont_data == NULL)
goto err;
BN_CTX_start(ctx);
if ((e = BN_CTX_get(ctx)) == NULL)
goto err;