From ae25a20b0a65297fffe255f8cf02ae145793dcbe Mon Sep 17 00:00:00 2001
From: tb <tb@openbsd.org>
Date: Thu, 27 Apr 2023 07:01:45 +0000
Subject: [PATCH] Remove documentation of no longer supported EC methods

---
 lib/libcrypto/man/EC_GFp_simple_method.3 | 51 +++---------------------
 1 file changed, 5 insertions(+), 46 deletions(-)

diff --git a/lib/libcrypto/man/EC_GFp_simple_method.3 b/lib/libcrypto/man/EC_GFp_simple_method.3
index 28a39f3fb04..9f78b6e113d 100644
--- a/lib/libcrypto/man/EC_GFp_simple_method.3
+++ b/lib/libcrypto/man/EC_GFp_simple_method.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: EC_GFp_simple_method.3,v 1.10 2022/07/02 17:09:09 jsing Exp $
+.\"	$OpenBSD: EC_GFp_simple_method.3,v 1.11 2023/04/27 07:01:45 tb Exp $
 .\"	OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100
 .\"
 .\" This file was written by Matt Caswell <matt@openssl.org>.
@@ -48,17 +48,12 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 .\" OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: July 2 2022 $
+.Dd $Mdocdate: April 27 2023 $
 .Dt EC_GFP_SIMPLE_METHOD 3
 .Os
 .Sh NAME
 .Nm EC_GFp_simple_method ,
 .Nm EC_GFp_mont_method ,
-.Nm EC_GFp_nist_method ,
-.Nm EC_GFp_nistp224_method ,
-.Nm EC_GFp_nistp256_method ,
-.Nm EC_GFp_nistp521_method ,
-.Nm EC_GF2m_simple_method ,
 .Nm EC_METHOD_get_field_type
 .Nd obtain EC_METHOD objects
 .Sh SYNOPSIS
@@ -67,16 +62,6 @@
 .Fn EC_GFp_simple_method void
 .Ft const EC_METHOD *
 .Fn EC_GFp_mont_method void
-.Ft const EC_METHOD *
-.Fn EC_GFp_nist_method void
-.Ft const EC_METHOD *
-.Fn EC_GFp_nistp224_method void
-.Ft const EC_METHOD *
-.Fn EC_GFp_nistp256_method void
-.Ft const EC_METHOD *
-.Fn EC_GFp_nistp521_method void
-.Ft const EC_METHOD *
-.Fn EC_GF2m_simple_method void
 .Ft int
 .Fo EC_METHOD_get_field_type
 .Fa "const EC_METHOD *meth"
@@ -99,9 +84,6 @@ structure that can be passed to
 It is important that the correct implementation type for the form
 of curve selected is used.
 .Pp
-For F2^m curves there is only one implementation choice,
-.Fn EC_GF2_simple_method .
-.Pp
 For Fp curves the lowest common denominator implementation is the
 .Fn EC_GFp_simple_method
 implementation.
@@ -115,20 +97,10 @@ curves.
 NIST curves are available through
 .Xr EC_GROUP_new_by_curve_name 3 .
 .Pp
-The functions
-.Fn EC_GFp_nistp224_method ,
-.Fn EC_GFp_nistp256_method ,
-and
-.Fn EC_GFp_nistp521_method
-offer 64-bit optimised implementations for the NIST P224, P256 and
-P521 curves respectively.
-Note, however, that these implementations are not available on all
-platforms.
-.Pp
 .Fn EC_METHOD_get_field_type
 identifies what type of field the
 .Vt EC_METHOD
-structure supports, which will be either F2^m or Fp.
+structure supports.
 If the field type is Fp, then the value
 .Dv NID_X9_62_prime_field
 is returned.
@@ -141,9 +113,7 @@ header file.
 .Sh RETURN VALUES
 All
 .Fn EC_GFp*
-functions and
-.Fn EC_GF2m_simple_method
-always return a const pointer to an
+functions always return a const pointer to an
 .Vt EC_METHOD
 structure.
 .Pp
@@ -165,17 +135,6 @@ and
 .Fn EC_GFp_mont_method
 first appeared in OpenSSL 0.9.7 and have been available since
 .Ox 3.2 .
-.Pp
-.Fn EC_GFp_nist_method ,
-.Fn EC_GF2m_simple_method ,
-and
 .Fn EC_METHOD_get_field_type
-first appeared in OpenSSL 0.9.8 and have been available since
+first appeared in OpenSSL 0.9.8 and has been available since
 .Ox 4.5 .
-.Pp
-.Fn EC_GFp_nistp224_method ,
-.Fn EC_GFp_nistp256_method ,
-and
-.Fn EC_GFp_nistp521_method
-first appeared in OpenSSL 1.0.1 and have been available since
-.Ox 5.3 .
-- 
2.20.1