diff --git a/testing/tests/ikev2/rw-eap-peap-md5/evaltest.dat b/testing/tests/ikev2/rw-eap-peap-md5/evaltest.dat
index 247aabe17..742f5fb69 100644
--- a/testing/tests/ikev2/rw-eap-peap-md5/evaltest.dat
+++ b/testing/tests/ikev2/rw-eap-peap-md5/evaltest.dat
@@ -1,10 +1,12 @@
 carol::cat /var/log/daemon.log::server requested EAP_PEAP authentication::YES
 carol::cat /var/log/daemon.log::allow mutual EAP-only authentication::YES
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_256_GCM_SHA384::YES
 carol::cat /var/log/daemon.log::server requested EAP_MD5 authentication::YES
 carol::cat /var/log/daemon.log::EAP method EAP_PEAP succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'C=CH, O=strongSwan Project, CN=moon.strongswan.org' with EAP successful::YES
 dave:: cat /var/log/daemon.log::server requested EAP_PEAP authentication::YES
 dave:: cat /var/log/daemon.log::allow mutual EAP-only authentication::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_256_GCM_SHA384::YES
 dave:: cat /var/log/daemon.log::server requested EAP_MD5 authentication::YES
 dave:: cat /var/log/daemon.log::received EAP_FAILURE, EAP authentication failed::YES
 moon:: cat /var/log/daemon.log::EAP_PEAP phase2 authentication of 'carol@strongswan.org' with EAP_MD5 successful::YES
diff --git a/testing/tests/ikev2/rw-eap-peap-md5/hosts/carol/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-peap-md5/hosts/carol/etc/strongswan.conf
index 6d47fe37c..fe2fb2b48 100644
--- a/testing/tests/ikev2/rw-eap-peap-md5/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-peap-md5/hosts/carol/etc/strongswan.conf
@@ -16,5 +16,6 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384
 }
diff --git a/testing/tests/ikev2/rw-eap-peap-md5/hosts/moon/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-peap-md5/hosts/moon/etc/strongswan.conf
index 88b7f3a8e..8977f863e 100644
--- a/testing/tests/ikev2/rw-eap-peap-md5/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-peap-md5/hosts/moon/etc/strongswan.conf
@@ -20,3 +20,7 @@ charon-systemd {
     }
   }
 }
+
+libtls {
+  version_max = 1.3
+}
diff --git a/testing/tests/ikev2/rw-eap-peap-mschapv2/evaltest.dat b/testing/tests/ikev2/rw-eap-peap-mschapv2/evaltest.dat
index 1093e51ad..9dd0ea430 100644
--- a/testing/tests/ikev2/rw-eap-peap-mschapv2/evaltest.dat
+++ b/testing/tests/ikev2/rw-eap-peap-mschapv2/evaltest.dat
@@ -1,10 +1,12 @@
 carol::cat /var/log/daemon.log::server requested EAP_PEAP authentication::YES
 carol::cat /var/log/daemon.log::allow mutual EAP-only authentication::YES
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_256_GCM_SHA384::YES
 carol::cat /var/log/daemon.log::server requested EAP_MSCHAPV2 authentication::YES
 carol::cat /var/log/daemon.log::EAP method EAP_PEAP succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'C=CH, O=strongSwan Project, CN=moon.strongswan.org' with EAP successful::YES
 dave:: cat /var/log/daemon.log::server requested EAP_PEAP authentication::YES
 dave:: cat /var/log/daemon.log::allow mutual EAP-only authentication::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_256_GCM_SHA384::YES
 dave:: cat /var/log/daemon.log::server requested EAP_MSCHAPV2 authentication::YES
 dave:: cat /var/log/daemon.log::received EAP_FAILURE, EAP authentication failed::YES
 moon:: cat /var/log/daemon.log::EAP_PEAP phase2 authentication of 'carol@strongswan.org' with EAP_MSCHAPV2 successful::YES
diff --git a/testing/tests/ikev2/rw-eap-peap-mschapv2/hosts/carol/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-peap-mschapv2/hosts/carol/etc/strongswan.conf
index 464d756ef..f06f29317 100644
--- a/testing/tests/ikev2/rw-eap-peap-mschapv2/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-peap-mschapv2/hosts/carol/etc/strongswan.conf
@@ -16,5 +16,6 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384
 }
diff --git a/testing/tests/ikev2/rw-eap-peap-mschapv2/hosts/moon/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-peap-mschapv2/hosts/moon/etc/strongswan.conf
index 8756846bb..bffec3d01 100644
--- a/testing/tests/ikev2/rw-eap-peap-mschapv2/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-peap-mschapv2/hosts/moon/etc/strongswan.conf
@@ -19,3 +19,7 @@ charon-systemd {
     }
   }
 }
+
+libtls {
+  version_max = 1.3
+}
diff --git a/testing/tests/ikev2/rw-eap-tls-only/evaltest.dat b/testing/tests/ikev2/rw-eap-tls-only/evaltest.dat
index c63f91b74..1334b1580 100644
--- a/testing/tests/ikev2/rw-eap-tls-only/evaltest.dat
+++ b/testing/tests/ikev2/rw-eap-tls-only/evaltest.dat
@@ -1,6 +1,6 @@
 carol::cat /var/log/daemon.log::server requested EAP_TLS authentication::YES
 carol::cat /var/log/daemon.log::allow mutual EAP-only authentication::YES
-carol::cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_256_GCM_SHA384::YES
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_256_GCM_SHA384::YES
 carol::cat /var/log/daemon.log::authentication of 'C=CH, O=strongSwan Project, CN=moon.strongswan.org' with EAP successful::YES
 dave::cat /var/log/daemon.log::no issuer certificate found for \"C=CH, O=strongSwan Project, CN=moon.strongswan.org\"::YES
 dave::cat /var/log/daemon.log::no TLS public key found for server 'C=CH, O=strongSwan Project, CN=moon.strongswan.org'::YES
diff --git a/testing/tests/ikev2/rw-eap-tls-only/hosts/carol/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-tls-only/hosts/carol/etc/strongswan.conf
index f6a7f570e..871b9e4d3 100644
--- a/testing/tests/ikev2/rw-eap-tls-only/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-tls-only/hosts/carol/etc/strongswan.conf
@@ -14,3 +14,7 @@ charon-systemd {
     }
   }
 }
+
+libtls {
+  version_max = 1.3
+}
diff --git a/testing/tests/ikev2/rw-eap-tls-only/hosts/moon/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-tls-only/hosts/moon/etc/strongswan.conf
index 4fc9073a1..fcf57a034 100644
--- a/testing/tests/ikev2/rw-eap-tls-only/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-tls-only/hosts/moon/etc/strongswan.conf
@@ -16,5 +16,6 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
 }
diff --git a/testing/tests/ikev2/rw-eap-tls-sha3-rsa/evaltest.dat b/testing/tests/ikev2/rw-eap-tls-sha3-rsa/evaltest.dat
index 8a8a95f7e..e939060e6 100755
--- a/testing/tests/ikev2/rw-eap-tls-sha3-rsa/evaltest.dat
+++ b/testing/tests/ikev2/rw-eap-tls-sha3-rsa/evaltest.dat
@@ -1,4 +1,6 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::swanctl --list-sas --raw 2> /dev/null::home.*version=2 state=ESTABLISHED local-host=192.168.0.100 local-port=4500 local-id=carol@strongswan.org remote-host=192.168.0.1 remote-port=4500 remote-id=moon.strongswan.org initiator=yes.*encr-alg=AES_CBC encr-keysize=128 integ-alg=HMAC_SHA2_256_128 prf-alg=PRF_HMAC_SHA2_256 dh-group=CURVE_25519.*child-sas.*home.*state=INSTALLED mode=TUNNEL.*ESP.*encr-alg=AES_GCM_16 encr-keysize=128.*local-ts=\[192.168.0.100/32] remote-ts=\[10.1.0.0/16]::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: swanctl --list-sas --raw 2> /dev/null::home.*version=2 state=ESTABLISHED local-host=192.168.0.200 local-port=4500 local-id=dave@strongswan.org remote-host=192.168.0.1 remote-port=4500 remote-id=moon.strongswan.org initiator=yes.*encr-alg=AES_CBC encr-keysize=128 integ-alg=HMAC_SHA2_256_128 prf-alg=PRF_HMAC_SHA2_256 dh-group=CURVE_25519.*child-sas.*home.*state=INSTALLED mode=TUNNEL.*ESP.*encr-alg=AES_GCM_16 encr-keysize=128.*local-ts=\[192.168.0.200/32] remote-ts=\[10.1.0.0/16]::YES
 moon:: swanctl --list-sas --ike-id 1 --raw 2> /dev/null::rw.*version=2 state=ESTABLISHED local-host=192.168.0.1 local-port=4500 local-id=moon.strongswan.org remote-host=192.168.0.100 remote-port=4500 remote-id=carol@strongswan.org.*encr-alg=AES_CBC encr-keysize=128 integ-alg=HMAC_SHA2_256_128 prf-alg=PRF_HMAC_SHA2_256 dh-group=CURVE_25519.*child-sas.*net.*reqid=1 state=INSTALLED mode=TUNNEL.*ESP.*encr-alg=AES_GCM_16 encr-keysize=128.*local-ts=\[10.1.0.0/16] remote-ts=\[192.168.0.100/32]::YES
 moon:: swanctl --list-sas --ike-id 2 --raw 2> /dev/null::rw.*version=2 state=ESTABLISHED local-host=192.168.0.1 local-port=4500 local-id=moon.strongswan.org remote-host=192.168.0.200 remote-port=4500 remote-id=dave@strongswan.org.*encr-alg=AES_CBC encr-keysize=128 integ-alg=HMAC_SHA2_256_128 prf-alg=PRF_HMAC_SHA2_256 dh-group=CURVE_25519.*child-sas.*net.*reqid=2 state=INSTALLED mode=TUNNEL.*ESP.*encr-alg=AES_GCM_16 encr-keysize=128.*local-ts=\[10.1.0.0/16] remote-ts=\[192.168.0.200/32]::YES
diff --git a/testing/tests/ikev2/rw-eap-tls-sha3-rsa/hosts/carol/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-tls-sha3-rsa/hosts/carol/etc/strongswan.conf
index c1ec3a5a3..13fbd23ae 100755
--- a/testing/tests/ikev2/rw-eap-tls-sha3-rsa/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-tls-sha3-rsa/hosts/carol/etc/strongswan.conf
@@ -5,9 +5,10 @@ swanctl {
 }
 
 charon-systemd {
-  load = random nonce md5 sha1 sha2 sha3 aes hmac kdf pem pkcs1 x509 revocation constraints pubkey curve25519 mgf1 gmp curl eap-tls kernel-netlink socket-default updown vici
+  load = random nonce md5 sha1 sha2 sha3 aes hmac gcm kdf pem pkcs1 x509 revocation constraints pubkey curve25519 mgf1 gmp curl eap-tls kernel-netlink socket-default updown vici
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
diff --git a/testing/tests/ikev2/rw-eap-tls-sha3-rsa/hosts/moon/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-tls-sha3-rsa/hosts/moon/etc/strongswan.conf
index 00bc2d18b..1364cade7 100755
--- a/testing/tests/ikev2/rw-eap-tls-sha3-rsa/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-tls-sha3-rsa/hosts/moon/etc/strongswan.conf
@@ -5,5 +5,9 @@ swanctl {
 }
 
 charon-systemd {
-  load = random nonce md5 sha1 sha2 sha3 aes hmac kdf pem pkcs1 x509 revocation constraints pubkey curve25519 mgf1 gmp curl eap-tls kernel-netlink socket-default updown vici
+  load = random nonce md5 sha1 sha2 sha3 aes hmac gcm kdf pem pkcs1 x509 revocation constraints pubkey curve25519 mgf1 gmp curl eap-tls kernel-netlink socket-default updown vici
+}
+
+libtls {
+  version_max = 1.3
 }
diff --git a/testing/tests/ikev2/rw-eap-ttls-only/evaltest.dat b/testing/tests/ikev2/rw-eap-ttls-only/evaltest.dat
index 46d6be42a..8b6dfd2e6 100644
--- a/testing/tests/ikev2/rw-eap-ttls-only/evaltest.dat
+++ b/testing/tests/ikev2/rw-eap-ttls-only/evaltest.dat
@@ -1,10 +1,12 @@
 carol::cat /var/log/daemon.log::server requested EAP_TTLS authentication::YES
 carol::cat /var/log/daemon.log::allow mutual EAP-only authentication::YES
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_256_GCM_SHA384::YES
 carol::cat /var/log/daemon.log::server requested EAP_MD5 authentication::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'C=CH, O=strongSwan Project, CN=moon.strongswan.org' with EAP successful::YES
 dave:: cat /var/log/daemon.log::server requested EAP_TTLS authentication::YES
 dave:: cat /var/log/daemon.log::allow mutual EAP-only authentication::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_256_GCM_SHA384::YES
 dave:: cat /var/log/daemon.log::server requested EAP_MD5 authentication::YES
 dave:: cat /var/log/daemon.log::received EAP_FAILURE, EAP authentication failed::YES
 moon:: cat /var/log/daemon.log::EAP_TTLS phase2 authentication of 'carol@strongswan.org' with EAP_MD5 successful::YES
diff --git a/testing/tests/ikev2/rw-eap-ttls-only/hosts/carol/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-ttls-only/hosts/carol/etc/strongswan.conf
index 118f0c182..df950bc04 100644
--- a/testing/tests/ikev2/rw-eap-ttls-only/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-ttls-only/hosts/carol/etc/strongswan.conf
@@ -16,5 +16,6 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_AES_256_GCM_SHA384
 }
diff --git a/testing/tests/ikev2/rw-eap-ttls-only/hosts/moon/etc/strongswan.conf b/testing/tests/ikev2/rw-eap-ttls-only/hosts/moon/etc/strongswan.conf
index ce030bd0a..d4a0d50cc 100644
--- a/testing/tests/ikev2/rw-eap-ttls-only/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/ikev2/rw-eap-ttls-only/hosts/moon/etc/strongswan.conf
@@ -19,3 +19,7 @@ charon-systemd {
     }
   }
 }
+
+libtls {
+  version_max = 1.3
+}
diff --git a/testing/tests/tnc/tnccs-11/evaltest.dat b/testing/tests/tnc/tnccs-11/evaltest.dat
index 0b7655bdd..6132e401f 100644
--- a/testing/tests/tnc/tnccs-11/evaltest.dat
+++ b/testing/tests/tnc/tnccs-11/evaltest.dat
@@ -1,6 +1,8 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::TNCCS-Recommendation.*allow::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::TNCCS-Recommendation.*isolate::YES
 dave:: cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 dave:: cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
diff --git a/testing/tests/tnc/tnccs-11/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-11/hosts/carol/etc/strongswan.conf
index cc9f8a425..3be831325 100644
--- a/testing/tests/tnc/tnccs-11/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-11/hosts/carol/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-11 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-11 updown
 
   multiple_authentication=no
 
@@ -19,7 +19,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-11/hosts/moon/etc/strongswan.conf b/testing/tests/tnc/tnccs-11/hosts/moon/etc/strongswan.conf
index 635c830b5..cd5b03cf1 100644
--- a/testing/tests/tnc/tnccs-11/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-11/hosts/moon/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-tnccs tnccs-11 tnc-imv updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-tnccs tnccs-11 tnc-imv updown
 
   multiple_authentication = no
 
@@ -25,7 +25,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-block/evaltest.dat b/testing/tests/tnc/tnccs-20-block/evaltest.dat
index 725c3aa3a..0719e0d4b 100644
--- a/testing/tests/tnc/tnccs-20-block/evaltest.dat
+++ b/testing/tests/tnc/tnccs-20-block/evaltest.dat
@@ -1,6 +1,8 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Allowed'::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Denied'::YES
 dave:: cat /var/log/daemon.log::received EAP_FAILURE, EAP authentication failed::YES
 moon:: cat /var/log/daemon.log::added group membership 'allow'::YES
diff --git a/testing/tests/tnc/tnccs-20-block/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-block/hosts/carol/etc/strongswan.conf
index aa88bd451..205db50ce 100644
--- a/testing/tests/tnc/tnccs-20-block/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-block/hosts/carol/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
   multiple_authentication = no
 
@@ -19,7 +19,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-block/hosts/moon/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-block/hosts/moon/etc/strongswan.conf
index efd0bd26c..605eef49e 100644
--- a/testing/tests/tnc/tnccs-20-block/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-block/hosts/moon/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-tnccs tnccs-20 tnc-imv updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-tnccs tnccs-20 tnc-imv updown
 
   multiple_authentication = no
 
@@ -24,5 +24,6 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
 }
diff --git a/testing/tests/tnc/tnccs-20-client-retry/evaltest.dat b/testing/tests/tnc/tnccs-20-client-retry/evaltest.dat
index 3d9e06491..c02d50573 100644
--- a/testing/tests/tnc/tnccs-20-client-retry/evaltest.dat
+++ b/testing/tests/tnc/tnccs-20-client-retry/evaltest.dat
@@ -1,6 +1,8 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Allowed'::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 dave:: cat /var/log/daemon.log::PB-TNC access recommendation is 'Quarantined'::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 dave:: cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
 moon:: cat /var/log/daemon.log::added group membership 'allow'::YES
diff --git a/testing/tests/tnc/tnccs-20-client-retry/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-client-retry/hosts/carol/etc/strongswan.conf
index 359703db5..abe1c7afe 100644
--- a/testing/tests/tnc/tnccs-20-client-retry/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-client-retry/hosts/carol/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
   multiple_authentication = no
 
@@ -14,7 +14,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-client-retry/hosts/moon/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-client-retry/hosts/moon/etc/strongswan.conf
index b985b5ce9..9f2c31c2e 100644
--- a/testing/tests/tnc/tnccs-20-client-retry/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-client-retry/hosts/moon/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-tnccs tnccs-20 tnc-imv updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-tnccs tnccs-20 tnc-imv updown
 
   multiple_authentication = no
 
@@ -21,7 +21,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-pdp-eap/evaltest.dat b/testing/tests/tnc/tnccs-20-pdp-eap/evaltest.dat
index dfe42aed9..1c8e016e5 100644
--- a/testing/tests/tnc/tnccs-20-pdp-eap/evaltest.dat
+++ b/testing/tests/tnc/tnccs-20-pdp-eap/evaltest.dat
@@ -1,9 +1,11 @@
 dave:: cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with RSA.* successful::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::PDP server.*aaa.strongswan.org.*is listening on port 271::YES
 dave:: cat /var/log/daemon.log::collected ... SW records::YES
 dave:: cat /var/log/daemon.log::PB-TNC access recommendation is .*Quarantined::YES
 dave:: cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with RSA.* successful::YES
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::PDP server.*aaa.strongswan.org.*is listening on port 271::YES
 carol::cat /var/log/daemon.log::collected ... SW ID records::YES
 carol::cat /var/log/daemon.log::strongswan.org__strongSwan.*swidtag::YES
diff --git a/testing/tests/tnc/tnccs-20-pdp-eap/hosts/alice/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-pdp-eap/hosts/alice/etc/strongswan.conf
index 5c79f18e4..2785da216 100644
--- a/testing/tests/tnc/tnccs-20-pdp-eap/hosts/alice/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-pdp-eap/hosts/alice/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici socket-default kernel-netlink eap-identity eap-ttls eap-md5 eap-tnc tnc-pdp tnc-imv tnc-tnccs tnccs-20 sqlite
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici socket-default kernel-netlink eap-identity eap-ttls eap-md5 eap-tnc tnc-pdp tnc-imv tnc-tnccs tnccs-20 sqlite
 
   syslog {
     daemon {
@@ -42,3 +42,7 @@ libimcv {
     }
   }
 }
+
+libtls {
+  version_max = 1.3
+}
\ No newline at end of file
diff --git a/testing/tests/tnc/tnccs-20-pdp-eap/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-pdp-eap/hosts/carol/etc/strongswan.conf
index 7dd3415e2..122b3861a 100644
--- a/testing/tests/tnc/tnccs-20-pdp-eap/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-pdp-eap/hosts/carol/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
   syslog {
     daemon {
@@ -24,5 +24,6 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
diff --git a/testing/tests/tnc/tnccs-20-pts-no-ecc/evaltest.dat b/testing/tests/tnc/tnccs-20-pts-no-ecc/evaltest.dat
index 57aa13ad5..0b633d6a1 100644
--- a/testing/tests/tnc/tnccs-20-pts-no-ecc/evaltest.dat
+++ b/testing/tests/tnc/tnccs-20-pts-no-ecc/evaltest.dat
@@ -1,6 +1,8 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Allowed'::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::PB-TNC access recommendation is 'Quarantined'::YES
 dave:: cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 dave:: cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
diff --git a/testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/carol/etc/strongswan.conf
index a8742074d..ef3d78158 100644
--- a/testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/carol/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 mgf1 gmp hmac kdf pem pkcs1 x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-tnccs tnc-imc tnccs-20 updown
+  load = random nonce aes sha1 sha2 md5 mgf1 gmp hmac gcm curve25519 kdf pem pkcs1 x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-tnccs tnc-imc tnccs-20 updown
 
   multiple_authentication = no
 
@@ -20,7 +20,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/moon/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/moon/etc/strongswan.conf
index f765f60df..37ebb9cfc 100644
--- a/testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-pts-no-ecc/hosts/moon/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 mgf1 gmp hmac kdf pem pkcs1 x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-imv tnc-tnccs tnccs-20 updown sqlite
+  load = random nonce aes sha1 sha2 md5 mgf1 gmp hmac gcm curve25519 kdf pem pkcs1 x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-imv tnc-tnccs tnccs-20 updown sqlite
 
   multiple_authentication = no
 
@@ -23,7 +23,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-pts/evaltest.dat b/testing/tests/tnc/tnccs-20-pts/evaltest.dat
index 6147c8768..29f27f603 100644
--- a/testing/tests/tnc/tnccs-20-pts/evaltest.dat
+++ b/testing/tests/tnc/tnccs-20-pts/evaltest.dat
@@ -1,6 +1,8 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Allowed'::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Allowed'::YES
 dave:: cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 dave:: cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
diff --git a/testing/tests/tnc/tnccs-20-pts/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-pts/hosts/carol/etc/strongswan.conf
index fd76ad0fd..3a58fbf4e 100644
--- a/testing/tests/tnc/tnccs-20-pts/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-pts/hosts/carol/etc/strongswan.conf
@@ -20,7 +20,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-pts/hosts/moon/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-pts/hosts/moon/etc/strongswan.conf
index d3ca047cb..8a6c9131d 100644
--- a/testing/tests/tnc/tnccs-20-pts/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-pts/hosts/moon/etc/strongswan.conf
@@ -23,7 +23,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-tls/evaltest.dat b/testing/tests/tnc/tnccs-20-tls/evaltest.dat
index 3cf7e6bd5..7917f42b0 100644
--- a/testing/tests/tnc/tnccs-20-tls/evaltest.dat
+++ b/testing/tests/tnc/tnccs-20-tls/evaltest.dat
@@ -1,6 +1,8 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Allowed'::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::PB-TNC access recommendation is 'Quarantined'::YES
 dave:: cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 dave:: cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
diff --git a/testing/tests/tnc/tnccs-20-tls/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-tls/hosts/carol/etc/strongswan.conf
index 90b18bce2..67c5dbe2b 100644
--- a/testing/tests/tnc/tnccs-20-tls/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-tls/hosts/carol/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp curve25519 hmac gcm kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
   multiple_authentication = no
 
@@ -14,7 +14,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20-tls/hosts/moon/etc/strongswan.conf b/testing/tests/tnc/tnccs-20-tls/hosts/moon/etc/strongswan.conf
index 243947275..7c672295d 100644
--- a/testing/tests/tnc/tnccs-20-tls/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20-tls/hosts/moon/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-tnccs tnccs-20 tnc-imv updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp curve25519 hmac gcm kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-tnccs tnccs-20 tnc-imv updown
 
   multiple_authentication = no
 
@@ -21,5 +21,6 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
 }
diff --git a/testing/tests/tnc/tnccs-20/evaltest.dat b/testing/tests/tnc/tnccs-20/evaltest.dat
index 64d1ec027..c291bedfd 100644
--- a/testing/tests/tnc/tnccs-20/evaltest.dat
+++ b/testing/tests/tnc/tnccs-20/evaltest.dat
@@ -1,6 +1,8 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::PB-TNC access recommendation is 'Access Allowed'::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::PB-TNC access recommendation is 'Quarantined'::YES
 dave:: cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 dave:: cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
diff --git a/testing/tests/tnc/tnccs-20/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-20/hosts/carol/etc/strongswan.conf
index 1f4dbea5b..d29c0f312 100644
--- a/testing/tests/tnc/tnccs-20/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20/hosts/carol/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-tnccs tnc-imc tnccs-20 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-tnccs tnc-imc tnccs-20 updown
 
   multiple_authentication = no
 
@@ -14,7 +14,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-20/hosts/moon/etc/strongswan.conf b/testing/tests/tnc/tnccs-20/hosts/moon/etc/strongswan.conf
index 22644cbd5..9de5ae294 100644
--- a/testing/tests/tnc/tnccs-20/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-20/hosts/moon/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-imv tnc-tnccs tnccs-20 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-imv tnc-tnccs tnccs-20 updown
 
   multiple_authentication = no
 
@@ -21,7 +21,8 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-dynamic/evaltest.dat b/testing/tests/tnc/tnccs-dynamic/evaltest.dat
index 7c3cf4fa7..86aa187c3 100644
--- a/testing/tests/tnc/tnccs-dynamic/evaltest.dat
+++ b/testing/tests/tnc/tnccs-dynamic/evaltest.dat
@@ -1,6 +1,8 @@
+carol::cat /var/log/daemon.log::negotiated TLS 1.3 using suite TLS_AES_128_GCM_SHA256::YES
 carol::cat /var/log/daemon.log::TNCCS-Recommendation.*allow::YES
 carol::cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 carol::cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
+dave:: cat /var/log/daemon.log::negotiated TLS 1.2 using suite TLS_DHE_RSA_WITH_AES_128_CBC_SHA256::YES
 dave:: cat /var/log/daemon.log::PB-TNC access recommendation is 'Quarantined'::YES
 dave:: cat /var/log/daemon.log::EAP method EAP_TTLS succeeded, MSK established::YES
 dave:: cat /var/log/daemon.log::authentication of 'moon.strongswan.org' with EAP successful::YES
diff --git a/testing/tests/tnc/tnccs-dynamic/hosts/carol/etc/strongswan.conf b/testing/tests/tnc/tnccs-dynamic/hosts/carol/etc/strongswan.conf
index 9651ab49e..6bb47fc37 100644
--- a/testing/tests/tnc/tnccs-dynamic/hosts/carol/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-dynamic/hosts/carol/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-11 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-11 updown
 
   multiple_authentication=no
   integrity_test = yes
@@ -19,8 +19,9 @@ charon-systemd {
   }
 }
 
-ilibtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+libtls {
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256
 }
 
 libimcv {
diff --git a/testing/tests/tnc/tnccs-dynamic/hosts/moon/etc/strongswan.conf b/testing/tests/tnc/tnccs-dynamic/hosts/moon/etc/strongswan.conf
index 2129082eb..ee0e25cca 100644
--- a/testing/tests/tnc/tnccs-dynamic/hosts/moon/etc/strongswan.conf
+++ b/testing/tests/tnc/tnccs-dynamic/hosts/moon/etc/strongswan.conf
@@ -1,7 +1,7 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon-systemd {
-  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-tnccs tnccs-dynamic tnccs-11 tnccs-20 tnc-imv updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 mgf1 gmp hmac gcm curve25519 kdf x509 revocation curl vici kernel-netlink socket-default eap-identity eap-ttls eap-md5 eap-tnc tnc-tnccs tnccs-dynamic tnccs-11 tnccs-20 tnc-imv updown
 
   multiple_authentication=no
   integrity_test = yes
@@ -26,6 +26,7 @@ charon-systemd {
 }
 
 libtls {
-  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+  version_max = 1.3
+  suites = TLS_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
 }