Commit a428ac47 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

check EC public key isn't point at infinity

parent 0aa1aedb

crypto/ec/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -38,7 +38,7 @@ top: 
all:	lib



lib:	$(LIBOBJ)

	$(AR) $(LIB) $(LIBOBJ)

	$(ARX) $(LIB) $(LIBOBJ)

	$(RANLIB) $(LIB) || echo Never mind.

	@touch lib

crypto/ec/ec_key.c

+6 −0
Original line number Diff line number Diff line
@@ -305,6 +305,12 @@ int EC_KEY_check_key(const EC_KEY *eckey) 
		return 0;

		}



	if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key))

		{

		ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_POINT_AT_INFINITY);

		goto err;

		}

	

	if ((ctx = BN_CTX_new()) == NULL)

		goto err;

	if ((point = EC_POINT_new(eckey->group)) == NULL)