Various DSA opacity fixups

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

diff --git a/doc/crypto/BN_CTX_start.pod b/doc/crypto/BN_CTX_start.pod
index c30552b1220b13c3386253767bd4c3a6b3f930f8..2e23be27a7af2aa1d065aea9f330544b181aee4c 100644 (file)
--- a/doc/crypto/BN_CTX_start.pod
+++ b/doc/crypto/BN_CTX_start.pod
@@ -17,7 +17,8 @@ BN_CTX_start, BN_CTX_get, BN_CTX_end - use temporary BIGNUM variables
 =head1 DESCRIPTION
 
 These functions are used to obtain temporary B<BIGNUM> variables from
-a B<BN_CTX> in order to save the overhead of repeatedly creating and
+a B<BN_CTX> (which can been created by using L<BN_CTX_new(3)>)
+in order to save the overhead of repeatedly creating and
 freeing B<BIGNUM>s in functions that are called from inside a loop.
 
 A function must call BN_CTX_start() first. Then, BN_CTX_get() may be
@@ -37,15 +38,11 @@ BN_CTX_get() returns a pointer to the B<BIGNUM>, or B<NULL> on error.
 Once BN_CTX_get() has failed, the subsequent calls will return B<NULL>
 as well, so it is sufficient to check the return value of the last
 BN_CTX_get() call. In case of an error, an error code is set, which
-can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
+can be obtained by L<ERR_get_error(3)>.
 
 
 =head1 SEE ALSO
 
-L<BN_CTX_new(3)|BN_CTX_new(3)>
-
-=head1 HISTORY
-
-BN_CTX_start(), BN_CTX_get() and BN_CTX_end() were added in OpenSSL 0.9.5.
+L<BN_CTX_new(3)>
 
 =cut