GH528: "cipher -v" output is confusing.

[openssl.git] / doc / crypto / EC_GROUP_new.pod

diff --git a/doc/crypto/EC_GROUP_new.pod b/doc/crypto/EC_GROUP_new.pod
index ff55bf33a3c9cccb04c3a47c2d09d27feaf59ec8..70d9955cfc5b7b9d9ee3ffb646dba554b5e9b329 100644 (file)
--- a/doc/crypto/EC_GROUP_new.pod
+++ b/doc/crypto/EC_GROUP_new.pod
@@ -41,15 +41,15 @@ Operations in a binary field are performed relative to an B<irreducible polynomi
 use a trinomial or a pentanomial for this parameter.
 
 A new curve can be constructed by calling EC_GROUP_new, using the implementation provided by B<meth> (see
-L<EC_GFp_simple_method(3)|EC_GFp_simple_method(3)>). It is then necessary to call either EC_GROUP_set_curve_GFp or
-EC_GROUP_set_curve_GF2m as appropriate to create a curve defined over Fp or over F2^m respectively. 
+L<EC_GFp_simple_method(3)>). It is then necessary to call either EC_GROUP_set_curve_GFp or
+EC_GROUP_set_curve_GF2m as appropriate to create a curve defined over Fp or over F2^m respectively.
 
 EC_GROUP_set_curve_GFp sets the curve parameters B<p>, B<a> and B<b> for a curve over Fp stored in B<group>.
 EC_group_get_curve_GFp obtains the previously set curve parameters.
 
 EC_GROUP_set_curve_GF2m sets the equivalent curve parameters for a curve over F2^m. In this case B<p> represents
-the irreducible polybnomial - each bit represents a term in the polynomial. Therefore there will either be three
-or five bits set dependant on whether the polynomial is a trinomial or a pentanomial.
+the irreducible polynomial - each bit represents a term in the polynomial. Therefore there will either be three
+or five bits set dependent on whether the polynomial is a trinomial or a pentanomial.
 EC_group_get_curve_GF2m obtains the previously set curve parameters.
 
 The functions EC_GROUP_new_curve_GFp and EC_GROUP_new_curve_GF2m are shortcuts for calling EC_GROUP_new and the
@@ -75,8 +75,10 @@ In order to construct a builtin curve use the function EC_GROUP_new_by_curve_nam
 be constructed.
 
 EC_GROUP_free frees the memory associated with the EC_GROUP.
+If B<group> is NULL nothing is done.
 
 EC_GROUP_clear_free destroys any sensitive data held within the EC_GROUP and then frees its memory.
+If B<group> is NULL nothing is done.
 
 =head1 RETURN VALUES
 
@@ -88,8 +90,8 @@ EC_GROUP_set_curve_GFp, EC_GROUP_get_curve_GFp, EC_GROUP_set_curve_GF2m, EC_GROU
 
 =head1 SEE ALSO
 
-L<crypto(3)|crypto(3)>, L<ec(3)|ec(3)>, L<EC_GROUP_copy(3)|EC_GROUP_copy(3)>,
-L<EC_POINT_new(3)|EC_POINT_new(3)>, L<EC_POINT_add(3)|EC_POINT_add(3)>, L<EC_KEY_new(3)|EC_KEY_new(3)>,
-L<EC_GFp_simple_method(3)|EC_GFp_simple_method(3)>, L<d2i_ECPKParameters(3)|d2i_ECPKParameters(3)>
+L<crypto(3)>, L<ec(3)>, L<EC_GROUP_copy(3)>,
+L<EC_POINT_new(3)>, L<EC_POINT_add(3)>, L<EC_KEY_new(3)>,
+L<EC_GFp_simple_method(3)>, L<d2i_ECPKParameters(3)>
 
 =cut