The GPG signatures for openSUSE-Leap-42.1-DVD-x86_64-Build0235-Media.iso and
openSUSE-Leap-42.1-NET-x86_64-Build0235-Media.iso end with .sha256.

See http://download.opensuse.org/distribution/leap/42.1-RC1/iso/:

openSUSE-Leap-42.1-DVD-x86_64-Build0235-Media.iso         15-Oct-2015 07:37 
4.2G
openSUSE-Leap-42.1-DVD-x86_64-Build0235-Media.iso.sha256  15-Oct-2015 08:28 
707
openSUSE-Leap-42.1-NET-ppc64le-Build0033-Media.iso.sha256 05-Oct-2015 14:01 
708  
openSUSE-Leap-42.1-NET-x86_64-Build0235-Media.iso         15-Oct-2015 07:54  
85M
openSUSE-Leap-42.1-NET-x86_64-Build0235-Media.iso.sha256  15-Oct-2015 08:28 
707

The .sha256 files are no SHA256 checksums but GPG signatures. Also the link
"gpg signature" on https://software.opensuse.org/developer/en?release=developer
is a dead link.

Bug ID	952372
Summary	GPG signatures for openSUSE-Leap-42.1-Build0235 end with .sha256
Classification	openSUSE
Product	openSUSE.org
Version	unspecified
Hardware	Other
OS	Other
Status	NEW
Severity	Normal
Priority	P5 - None
Component	Software Portal
Assignee	benji@opensuse.org
Reporter	bjoernv@arcor.de
QA Contact	opensuse-communityscreening@forge.provo.novell.com
Found By	---
Blocker	---