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Fix NULL ptr dereference on EC_POINT *point #1

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Fix NULL ptr dereference on EC_POINT *point #1

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2 changes: 1 addition & 1 deletion crypto/ec/ec_asn1.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1156,7 +1156,7 @@ int i2o_ECPublicKey(const EC_KEY *a, unsigned char **out)
size_t buf_len = 0;
int new_buffer = 0;

if (a == NULL) {
if (a == NULL || a->pub_key == NULL) {
ERR_raise(ERR_LIB_EC, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
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4 changes: 4 additions & 0 deletions crypto/ec/ec_oct.c
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,10 @@ size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point,
point_conversion_form_t form, unsigned char *buf,
size_t len, BN_CTX *ctx)
{
if (point == NULL) {
ERR_raise(ERR_LIB_EC, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (group->meth->point2oct == 0
&& !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {
ERR_raise(ERR_LIB_EC, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
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