Switch default SAML signature alg to SHA256 (#2341)

lemonldap-ng-common/lib/Lemonldap/NG/Common/Conf/DefaultValues.pm

@@ -310,7 +310,7 @@ sub defaultValues {
         'samlOrganizationURL'        => 'http://www.example.com',
         'samlOverrideIDPEntityID'    => '',
         'samlRelayStateTimeout'      => 600,
-        'samlServiceSignatureMethod' => 'RSA_SHA1',
+        'samlServiceSignatureMethod' => 'RSA_SHA256',
         'samlSPSSODescriptorArtifactResolutionServiceArtifact' =>
 '1;0;urn:oasis:names:tc:SAML:2.0:bindings:SOAP;#PORTAL#/saml/artifact',
         'samlSPSSODescriptorAssertionConsumerServiceHTTPArtifact' =>

lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm

@@ -3427,7 +3427,7 @@ qr/(?:(?:https?):\/\/(?:(?:(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.]
             'type'    => 'RSAPublicKeyOrCertificate'
         },
         'samlServiceSignatureMethod' => {
-            'default' => 'RSA_SHA1',
+            'default' => 'RSA_SHA256',
             'select'  => [ {
                     'k' => 'RSA_SHA1',
                     'v' => 'RSA SHA1'

lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build/Attributes.pm

@@ -2498,7 +2498,7 @@ sub attributes {
                 { k => 'RSA_SHA384', v => 'RSA SHA384' },
                 { k => 'RSA_SHA512', v => 'RSA SHA512' },
             ],
-            default => 'RSA_SHA1',
+            default => 'RSA_SHA256',
         },
         samlServiceUseCertificateInResponse => {
             type    => 'bool',