"4096-bit MODP Group" from RFC3526, Section 5.

The prime is: 2^4096 - 2^4032 - 1 + 2^64 * { [2^3966 pi] + 240904 }

RFC3526 specifies a generator of 2.

The generation of the group is described in RFC 2412.

Fixes: #7644

data/other/dh4096.pem

 -----BEGIN DH PARAMETERS-----
-MIICCAKCAgEA9RBdjft9pcfy2WZWWgz7uKzHg0O8ltdU045O5aZIkbmfe6ec6spu
-GlJwCpA8FpRK99R2JYZkPDuJkJOR3Yonm3leJB8ZO1sgak36tf1KXosn86STtwh8
-ppA27Idx4dZwFn8wPCnfcVqCq/4DXR7mB3miHOMZx8kmjhRO86doTZHWsTYej1ei
-pbk9lekYJzI7ohEITnLoiUKfquzfg71JGcGKF6dvXlcc4iXuPluqz1fsua4eY/tm
-kPlvqoYXsmtQIszk2YIsgk8kDBv9BBbcFITXDFEMxPc5Qof4MTTHWOHvyyXqiNJt
-d1cWkrpGKx+H2MDoLW8Ssf3v/oCj3tP+LbOa+rqme39ARK8SZpimjkBw0qMQcIux
-LTXFPrLTszzza3Nfthtc1H1MuoVsdJSDjTe94FajPewsI3Cc2fVgSh6puS6S3gsf
-dblNMNYRjQSMRr3LGahSnWOG6ux+1Nau3hCwCOIZpZs3DZurRZ+EFYWxG+83DMlu
-Vxg7cXrzofyBShb/lVCERVyKCuGIAJSkKfC/D5tcCHHEB34ep8ZMc+2UEslK8dSW
-4cQcqG3/KOwpsV0zXfaX0xhS8/95gnAgCZRiDiUWVskJ6JxWvqg40N2dBK7tT/Gq
-sayPDdAY/B/lBfcJzuD6uxCf1wBCMtg01bVe7tipxSlhGgBpKBoJa4sCAQI=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=
 -----END DH PARAMETERS-----
+
+"4096-bit MODP Group" from RFC3526, Section 5.
+
+The prime is: 2^4096 - 2^4032 - 1 + 2^64 * { [2^3966 pi] + 240904 }
+
+RFC3526 specifies a generator of 2.
+
+The generation of the group is described in RFC 2412.

src/common/jingle_xtls.py

@@ -121,10 +121,6 @@ def get_context(fingerprint, verify_cb=None, remote_jid=None):
         with open(dh_params_name, "r") as dh_params_file:
             ctx.load_tmp_dh(str(dh_params_name))
     except IOError as err:
-        log.warn('Unable to load DH parameter file: %s. You should generate it '
-            'by using this command : "openssl dhparam 4096 -out '
-            '~/.config/gajim/dh_params.pem". This command take about 15 '
-            'minutes to complete.' % dh_params_name)
         default_dh_params_name = os.path.join(common.gajim.DATA_DIR,
             'other', DEFAULT_DH_PARAMS)
         try: