config UPDATE rename and doc
diff --git a/src/server_config.h b/src/server_config.h
index e38c086..d148076 100644
--- a/src/server_config.h
+++ b/src/server_config.h
@@ -20,6 +20,7 @@
 extern "C" {
 #endif
 
+#include <stdarg.h>
 #include <stdint.h>
 
 #include <libyang/libyang.h>
@@ -212,7 +213,6 @@
  * @brief Creates new YANG data nodes for a public key in the truststore.
  *
  * @param[in] ctx libyang context.
- * @param[in] ti Transport for which this key will be used, to be generated correctly.
  * @param[in] pub_bag_name Arbitrary identifier of the public key bag.
  * This name is used to reference the public keys in the bag.
  * If a public key bag with this name already exists, its contents will be changed.
@@ -223,8 +223,8 @@
  * Otherwise the new YANG data will be added to the previous data and may override it.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_add_truststore_pubkey(const struct ly_ctx *ctx, NC_TRANSPORT_IMPL ti,
-        const char *pub_bag_name, const char *pubkey_name, const char *pubkey_path, struct lyd_node **config);
+int nc_server_config_add_truststore_pubkey(const struct ly_ctx *ctx, const char *pub_bag_name, const char *pubkey_name,
+        const char *pubkey_path, struct lyd_node **config);
 
 /**
  * @brief Deletes a truststore's public key from the YANG data.
@@ -311,6 +311,35 @@
         const char *hostkey_name, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG data nodes for a reference to an asymmetric key located in the keystore.
+ *
+ * This asymmetric key pair will be used as the SSH hostkey.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of an endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] hostkey_name Arbitrary identifier of the endpoint's hostkey.
+ * If an endpoint's hostkey with this identifier already exists, its contents will be changed.
+ * @param[in] keystore_reference Name of the asymmetric key pair to be referenced and used as a hostkey.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ssh_keystore_ref(const struct ly_ctx *ctx, const char *endpt_name, const char *hostkey_name,
+        const char *keystore_reference, struct lyd_node **config);
+
+/**
+ * @brief Deletes a keystore reference from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] hostkey_name Identifier of an existing hostkey on the given endpoint.
+ * @param[in,out] config Configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ssh_keystore_ref(const char *endpt_name, const char *hostkey_name,
+        struct lyd_node **config);
+
+/**
  * @brief Creates new YANG configuration data nodes for the maximum amount of failed SSH authentication attempts.
  *
  * @param[in] ctx libyang context.
@@ -399,6 +428,32 @@
         struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG configuration data nodes for an SSH user's none authentication method.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its user might be changed.
+ * @param[in] user_name Arbitrary identifier of the user.
+ * If an user with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ssh_user_none(const struct ly_ctx *ctx, const char *endpt_name,
+        const char *user_name, struct lyd_node **config);
+
+/**
+ * @brief Deletes an SSH user's none authentication method from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] user_name Identifier of an existing user on the given endpoint.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ssh_user_none(const char *endpt_name, const char *user_name,
+        struct lyd_node **config);
+
+/**
  * @brief Creates new YANG configuration data nodes for an SSH user's keyboard interactive authentication method.
  *
  * @param[in] ctx libyang context.
@@ -441,6 +496,35 @@
         const char *user_name, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG data nodes for a reference to a public key bag located in the truststore.
+ *
+ * The public key's located in the bag will be used for client authentication.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of an endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] user_name Arbitrary identifier of the endpoint's user.
+ * If an endpoint's user with this identifier already exists, its contents will be changed.
+ * @param[in] truststore_reference Name of the public key bag to be referenced and used for authentication.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ssh_truststore_ref(const struct ly_ctx *ctx, const char *endpt_name, const char *user_name,
+        const char *truststore_reference, struct lyd_node **config);
+
+/**
+ * @brief Deletes a truststore reference from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] user_name Identifier of an user on the given endpoint whose truststore reference will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ssh_truststore_ref(const char *endpt_name, const char *user_name,
+        struct lyd_node **config);
+
+/**
  * @brief Creates new YANG configuration data nodes, which will be a reference to another SSH endpoint's users.
  *
  * Whenever a client tries to connect to the referencing endpoint, all of its users will be tried first. If no match is
@@ -468,6 +552,122 @@
 int nc_server_config_del_ssh_endpoint_client_ref(const char *endpt_name, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG configuration data nodes for host-key algorithms replacing any previous ones.
+ *
+ * Supported algorithms are: ssh-ed25519, ecdsa-sha2-nistp256, ecdsa-sha2-nistp384, ecdsa-sha2-nistp521,
+ * rsa-sha2-512, rsa-sha2-256, ssh-rsa and ssh-dss.
+ *
+ * @param[in] ctx libyang context
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its host-key algorithms will be replaced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] alg_count Number of following algorithms.
+ * @param[in] ... String literals of host-key algorithms in a decreasing order of preference.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ssh_host_key_algs(const struct ly_ctx *ctx, const char *endpt_name,
+        struct lyd_node **config, int alg_count, ...);
+
+/**
+ * @brief Deletes a hostkey algorithm from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] alg Optional algorithm to be deleted.
+ * If NULL, all of the hostkey algorithms on this endpoint will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ssh_host_key_alg(const char *endpt_name, const char *alg, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for key exchange algorithms replacing any previous ones.
+ *
+ * Supported algorithms are: diffie-hellman-group-exchange-sha1, curve25519-sha256, ecdh-sha2-nistp256,
+ * ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group18-sha512, diffie-hellman-group16-sha512,
+ * diffie-hellman-group-exchange-sha256 and diffie-hellman-group14-sha256.
+ *
+ * @param[in] ctx libyang context
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its key exchange algorithms will be replaced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] alg_count Number of following algorithms.
+ * @param[in] ... String literals of key exchange algorithms in a decreasing order of preference.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ssh_key_exchange_algs(const struct ly_ctx *ctx, const char *endpt_name, struct lyd_node **config,
+        int alg_count, ...);
+
+/**
+ * @brief Deletes a key exchange algorithm from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] alg Optional algorithm to be deleted.
+ * If NULL, all of the key exchange algorithms on this endpoint will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ssh_key_exchange_alg(const char *endpt_name, const char *alg, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for encryption algorithms replacing any previous ones.
+ *
+ * Supported algorithms are: aes256-ctr, aes192-ctr, aes128-ctr, aes256-cbc, aes192-cbc, aes128-cbc, blowfish-cbc
+ * triple-des-cbc and none.
+ *
+ * @param[in] ctx libyang context
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its encryption algorithms will be replaced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] alg_count Number of following algorithms.
+ * @param[in] ... String literals of encryption algorithms in a decreasing order of preference.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ssh_encryption_algs(const struct ly_ctx *ctx, const char *endpt_name, struct lyd_node **config,
+        int alg_count, ...);
+
+/**
+ * @brief Deletes an encryption algorithm from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] alg Optional algorithm to be deleted.
+ * If NULL, all of the encryption algorithms on this endpoint will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ssh_encryption_alg(const char *endpt_name, const char *alg, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for mac algorithms replacing any previous ones.
+ *
+ * Supported algorithms are: hmac-sha2-256, hmac-sha2-512 and hmac-sha1.
+ *
+ * @param[in] ctx libyang context
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its mac algorithms will be replaced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] alg_count Number of following algorithms.
+ * @param[in] ... String literals of mac algorithms in a decreasing order of preference.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ssh_mac_algs(const struct ly_ctx *ctx, const char *endpt_name, struct lyd_node **config,
+        int alg_count, ...);
+
+/**
+ * @brief Deletes a mac algorithm from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] alg Optional algorithm to be deleted.
+ * If NULL, all of the mac algorithms on this endpoint will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ssh_mac_alg(const char *endpt_name, const char *alg, struct lyd_node **config);
+
+/**
  * @} SSH Server Configuration
  */
 
@@ -493,7 +693,7 @@
  * Otherwise the new YANG data will be added to the previous data and may override it.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_add_tls_server_cert(const struct ly_ctx *ctx, const char *endpt_name, const char *privkey_path,
+int nc_server_config_add_tls_server_certificate(const struct ly_ctx *ctx, const char *endpt_name, const char *privkey_path,
         const char *pubkey_path, const char *certificate_path, struct lyd_node **config);
 
 /**
@@ -503,7 +703,31 @@
  * @param[in,out] config Modified configuration YANG data tree.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_del_tls_server_cert(const char *endpt_name, struct lyd_node **config);
+int nc_server_config_del_tls_server_certificate(const char *endpt_name, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a keystore reference to the TLS server's certificate.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] asym_key_ref Name of the asymmetric key pair in the keystore to be referenced.
+ * @param[in] cert_ref Name of the certificate, which must belong to the given asymmetric key pair, to be referenced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_tls_keystore_ref(const struct ly_ctx *ctx, const char *endpt_name, const char *asym_key_ref,
+        const char *cert_ref, struct lyd_node **config);
+
+/**
+ * @brief Deletes a TLS server certificate keystore reference from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_tls_keystore_ref(const char *endpt_name, struct lyd_node **config);
 
 /**
  * @brief Creates new YANG configuration data nodes for a client's (end-entity) certificate.
@@ -518,7 +742,7 @@
  * Otherwise the new YANG data will be added to the previous data and may override it.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_add_tls_client_cert(const struct ly_ctx *ctx, const char *endpt_name, const char *cert_name,
+int nc_server_config_add_tls_client_certificate(const struct ly_ctx *ctx, const char *endpt_name, const char *cert_name,
         const char *cert_path, struct lyd_node **config);
 
 /**
@@ -530,7 +754,30 @@
  * @param[in,out] config Modified configuration YANG data tree.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_del_tls_client_cert(const char *endpt_name, const char *cert_name, struct lyd_node **config);
+int nc_server_config_del_tls_client_certificate(const char *endpt_name, const char *cert_name, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a truststore reference to a set of client (end-entity) certificates.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] cert_bag_ref Identifier of the certificate bag in the truststore to be referenced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_tls_client_cert_truststore_ref(const struct ly_ctx *ctx, const char *endpt_name,
+        const char *cert_bag_ref, struct lyd_node **config);
+
+/**
+ * @brief Deletes a client (end-entity) certificates truststore reference from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_tls_client_cert_truststore_ref(const char *endpt_name, struct lyd_node **config);
 
 /**
  * @brief Creates new YANG configuration data nodes for a client certificate authority (trust-anchor) certificate.
@@ -545,7 +792,7 @@
  * Otherwise the new YANG data will be added to the previous data and may override it.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_add_tls_ca_cert(const struct ly_ctx *ctx, const char *endpt_name, const char *cert_name,
+int nc_server_config_add_tls_client_ca(const struct ly_ctx *ctx, const char *endpt_name, const char *cert_name,
         const char *cert_path, struct lyd_node **config);
 
 /**
@@ -557,7 +804,30 @@
  * @param[in,out] config Modified configuration YANG data tree.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_del_tls_ca_cert(const char *endpt_name, const char *cert_name, struct lyd_node **config);
+int nc_server_config_del_tls_client_ca(const char *endpt_name, const char *cert_name, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a truststore reference to a set of client certificate authority (trust-anchor) certificates.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] cert_bag_ref Identifier of the certificate bag in the truststore to be referenced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_tls_client_ca_truststore_ref(const struct ly_ctx *ctx, const char *endpt_name,
+        const char *cert_bag_ref, struct lyd_node **config);
+
+/**
+ * @brief Deletes a client certificate authority (trust-anchor) certificates truststore reference from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_tls_client_ca_truststore_ref(const char *endpt_name, struct lyd_node **config);
 
 /**
  * @brief Creates new YANG configuration data nodes, which will be a reference to another TLS endpoint's certificates.
@@ -616,6 +886,122 @@
 int nc_server_config_del_tls_ctn(const char *endpt_name, uint32_t id, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG configuration data nodes for a TLS version.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] tls_version TLS version to be used. Call this multiple times to set
+ * the accepted versions of the TLS protocol and let the client and server negotiate
+ * the given version.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_tls_version(const struct ly_ctx *ctx, const char *endpt_name,
+        NC_TLS_VERSION tls_version, struct lyd_node **config);
+
+/**
+ * @brief Deletes a TLS version from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] tls_version TLS version to be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_tls_version(const char *endpt_name, NC_TLS_VERSION tls_version, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a TLS cipher.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] cipher_count Number of following ciphers.
+ * @param[in] ... TLS ciphers. These ciphers MUST be in the format as listed in the
+ * iana-tls-cipher-suite-algs YANG model (lowercase and separated by dashes). Regardless
+ * of the TLS protocol version used, all of these ciphers will be tried and some of them
+ * might not be set (TLS handshake might fail then). For the list of supported ciphers see
+ * the OpenSSL documentation.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_tls_ciphers(const struct ly_ctx *ctx, const char *endpt_name, struct lyd_node **config,
+        int cipher_count, ...);
+
+/**
+ * @brief Deletes a TLS cipher from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in] cipher TLS cipher to be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_tls_cipher(const char *endpt_name, const char *cipher, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a Certificate Revocation List via a local file.
+ *
+ * Beware that you can choose up to one function between the three CRL alternatives on a given endpoint and calling
+ * this function will remove any CRL YANG nodes created by the other two functions.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] crl_path Path to a DER/PEM encoded CRL file.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_tls_crl_path(const struct ly_ctx *ctx, const char *endpt_name,
+        const char *crl_path, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a Certificate Revocation List via an URL.
+ *
+ * Beware that you can choose up to one function between the three CRL alternatives on a given endpoint and calling
+ * this function will remove any CRL YANG nodes created by the other two functions.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] crl_url URL from which the CRL file will be downloaded. The file has to be in the DER or PEM format.
+ * The allowed protocols are all the protocols supported by CURL.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_tls_crl_url(const struct ly_ctx *ctx, const char *endpt_name, const char *crl_url, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a Certificate Revocation List via certificate extensions.
+ *
+ * The chain of configured Certificate Authorities will be examined. For each certificate in this chain all the
+ * CRLs from the URLs specified in their extension fields CRL Distribution Points will be downloaded and used.
+ *
+ * Beware that you can choose up to one function between the three CRL alternatives on a given endpoint and calling
+ * this function will remove any CRL YANG nodes created by the other two functions.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] endpt_name Arbitrary identifier of the endpoint.
+ * If an endpoint with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_tls_crl_cert_ext(const struct ly_ctx *ctx, const char *endpt_name, struct lyd_node **config);
+
+/**
+ * @brief Deletes all the CRL nodes from the YANG data.
+ *
+ * @param[in] endpt_name Identifier of an existing endpoint.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_tls_crl(const char *endpt_name, struct lyd_node **config);
+
+/**
  * @} TLS Server Configuration
  */
 
@@ -849,6 +1235,38 @@
         const char *hostkey_name, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG data nodes for a reference to an asymmetric key located in the keystore.
+ *
+ * This asymmetric key pair will be used as the Call Home SSH hostkey.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the client's endpoint.
+ * If the client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] hostkey_name Arbitrary identifier of the endpoint's hostkey.
+ * If the endpoint's hostkey with this identifier already exists, its contents will be changed.
+ * @param[in] keystore_reference Name of the asymmetric key pair to be referenced and used as a hostkey.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_ssh_keystore_ref(const struct ly_ctx *ctx, const char *client_name,
+        const char *endpt_name, const char *hostkey_name, const char *keystore_reference, struct lyd_node **config);
+
+/**
+ * @brief Deletes a Call Home keystore reference from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing endpoint that belongs to the given CH client.
+ * @param[in] hostkey_name Identifier of an existing hostkey that belongs to the given CH endpoint.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_ssh_keystore_ref(const char *client_name, const char *endpt_name,
+        const char *hostkey_name, struct lyd_node **config);
+
+/**
  * @brief Creates new YANG configuration data nodes for the maximum amount of failed Call Home SSH authentication attempts.
  *
  * @param[in] ctx libyang context.
@@ -947,6 +1365,35 @@
         const char *user_name, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG configuration data nodes for a Call Home SSH user's none authentication method.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the client's endpoint.
+ * If the client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] user_name Arbitrary identifier of the endpoint's user.
+ * If the endpoint's user with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_ssh_user_none(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        const char *user_name, struct lyd_node **config);
+
+/**
+ * @brief Deletes a Call Home SSH user's none authentication method from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing endpoint that belongs to the given CH client.
+ * @param[in] user_name Identifier of an existing SSH user that belongs to the given CH endpoint.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_ssh_user_none(const char *client_name, const char *endpt_name,
+        const char *user_name, struct lyd_node **config);
+
+/**
  * @brief Creates new YANG configuration data nodes for a Call Home SSH user's keyboard interactive authentication method.
  *
  * @param[in] ctx libyang context.
@@ -992,6 +1439,170 @@
         const char *user_name, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG data nodes for a reference to a public key bag located in the truststore.
+ *
+ * The public key's located in the bag will be used for Call Home SSH client authentication.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the client's endpoint.
+ * If the client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] user_name Arbitrary identifier of the endpoint's user.
+ * If the endpoint's user with this identifier already exists, its contents will be changed.
+ * @param[in] truststore_reference Name of the public key bag to be referenced and used for authentication.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_ssh_truststore_ref(const struct ly_ctx *ctx, const char *client_name,
+        const char *endpt_name, const char *user_name, const char *truststore_reference, struct lyd_node **config);
+
+/**
+ * @brief Deletes a Call Home SSH truststore reference from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing endpoint that belongs to the given CH client.
+ * @param[in] user_name Identifier of an existing SSH user that belongs to the given CH endpoint.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_ssh_truststore_ref(const char *client_name, const char *endpt_name,
+        const char *user_name, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for Call Home host-key algorithms replacing any previous ones.
+ *
+ * Supported algorithms are: ssh-ed25519, ecdsa-sha2-nistp256, ecdsa-sha2-nistp384, ecdsa-sha2-nistp521,
+ * rsa-sha2-512, rsa-sha2-256, ssh-rsa and ssh-dss.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the client's endpoint.
+ * If the client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] alg_count Number of following algorithms.
+ * @param[in] ... String literals of host-key algorithms in a decreasing order of preference.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_ssh_host_key_algs(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        struct lyd_node **config, int alg_count, ...);
+
+/**
+ * @brief Deletes a Call Home hostkey algorithm from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing endpoint that belongs to the given CH client.
+ * @param[in] alg Optional algorithm to be deleted.
+ * If NULL, all of the hostkey algorithms on this endpoint will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_ssh_host_key_alg(const char *client_name, const char *endpt_name,
+        const char *alg, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for Call Home key exchange algorithms replacing any previous ones.
+ *
+ * Supported algorithms are: diffie-hellman-group-exchange-sha1, curve25519-sha256, ecdh-sha2-nistp256,
+ * ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group18-sha512, diffie-hellman-group16-sha512,
+ * diffie-hellman-group-exchange-sha256 and diffie-hellman-group14-sha256.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the client's endpoint.
+ * If the client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] alg_count Number of following algorithms.
+ * @param[in] ... String literals of key exchange algorithms in a decreasing order of preference.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_ssh_key_exchange_algs(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        struct lyd_node **config, int alg_count, ...);
+
+/**
+ * @brief Deletes a Call Home key exchange algorithm from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing endpoint that belongs to the given CH client.
+ * @param[in] alg Optional algorithm to be deleted.
+ * If NULL, all of the key exchange algorithms on this endpoint will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_ssh_key_exchange_alg(const char *client_name, const char *endpt_name,
+        const char *alg, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for Call Home encryption algorithms replacing any previous ones.
+ *
+ * Supported algorithms are: aes256-ctr, aes192-ctr, aes128-ctr, aes256-cbc, aes192-cbc, aes128-cbc, blowfish-cbc
+ * triple-des-cbc and none.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the client's endpoint.
+ * If the client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] alg_count Number of following algorithms.
+ * @param[in] ... String literals of encryption algorithms in a decreasing order of preference.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_ssh_encryption_algs(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        struct lyd_node **config, int alg_count, ...);
+
+/**
+ * @brief Deletes a Call Home encryption algorithm from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing endpoint that belongs to the given CH client.
+ * @param[in] alg Optional algorithm to be deleted.
+ * If NULL, all of the encryption algorithms on this endpoint will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_ssh_encryption_alg(const char *client_name, const char *endpt_name,
+        const char *alg, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for Call Home mac algorithms replacing any previous ones.
+ *
+ * Supported algorithms are: hmac-sha2-256, hmac-sha2-512 and hmac-sha1.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the client's endpoint.
+ * If the client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] alg_count Number of following algorithms.
+ * @param[in] ... String literals of mac algorithms in a decreasing order of preference.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_ssh_mac_algs(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        struct lyd_node **config, int alg_count, ...);
+
+/**
+ * @brief Deletes a Call Home mac algorithm from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing endpoint that belongs to the given CH client.
+ * @param[in] alg Optional algorithm to be deleted.
+ * If NULL, all of the mac algorithms on this endpoint will be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_ssh_mac_alg(const char *client_name, const char *endpt_name,
+        const char *alg, struct lyd_node **config);
+
+/**
  * @} SSH Call Home Server Configuration
  */
 
@@ -1019,7 +1630,7 @@
  * Otherwise the new YANG data will be added to the previous data and may override it.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_add_ch_tls_server_cert(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+int nc_server_config_add_ch_tls_server_certificate(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
         const char *privkey_path, const char *pubkey_path, const char *certificate_path, struct lyd_node **config);
 
 /**
@@ -1030,7 +1641,35 @@
  * @param[in,out] config Modified configuration YANG data tree.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_del_ch_tls_server_cert(const char *client_name, const char *endpt_name,
+int nc_server_config_del_ch_tls_server_certificate(const char *client_name, const char *endpt_name,
+        struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a keystore reference to the Call Home TLS server's certificate.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the Call Home client's endpoint.
+ * If a Call Home client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] asym_key_ref Name of the asymmetric key pair in the keystore to be referenced.
+ * @param[in] cert_ref Name of the certificate, which must belong to the given asymmetric key pair, to be referenced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_tls_keystore_ref(const struct ly_ctx *ctx, const char *client_name,
+        const char *endpt_name, const char *asym_key_ref, const char *cert_ref, struct lyd_node **config);
+
+/**
+ * @brief Deletes a TLS server certificate keystore reference from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing Call Home endpoint that belongs to the given client.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_tls_keystore_ref(const char *client_name, const char *endpt_name,
         struct lyd_node **config);
 
 /**
@@ -1048,7 +1687,7 @@
  * Otherwise the new YANG data will be added to the previous data and may override it.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_add_ch_tls_client_cert(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+int nc_server_config_add_ch_tls_client_certificate(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
         const char *cert_name, const char *cert_path, struct lyd_node **config);
 
 /**
@@ -1061,10 +1700,37 @@
  * @param[in,out] config Modified configuration YANG data tree.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_del_ch_tls_client_cert(const char *client_name, const char *endpt_name,
+int nc_server_config_del_ch_tls_client_certificate(const char *client_name, const char *endpt_name,
         const char *cert_name, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG configuration data nodes for a Call Home truststore reference to a set of client (end-entity) certificates.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the Call Home client's endpoint.
+ * If a Call Home client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] cert_bag_ref Identifier of the certificate bag in the truststore to be referenced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_tls_client_cert_truststore_ref(const struct ly_ctx *ctx, const char *client_name,
+        const char *endpt_name, const char *cert_bag_ref, struct lyd_node **config);
+
+/**
+ * @brief Deletes a Call Home client (end-entity) certificates truststore reference from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing Call Home endpoint that belongs to the given client.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_tls_client_cert_truststore_ref(const char *client_name, const char *endpt_name,
+        struct lyd_node **config);
+
+/**
  * @brief Creates new YANG configuration data nodes for a client certificate authority (trust-anchor) certificate.
  *
  * @param[in] ctx libyang context.
@@ -1079,7 +1745,7 @@
  * Otherwise the new YANG data will be added to the previous data and may override it.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_add_ch_tls_ca_cert(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+int nc_server_config_add_ch_tls_client_ca(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
         const char *cert_name, const char *cert_path, struct lyd_node **config);
 
 /**
@@ -1092,10 +1758,37 @@
  * @param[in,out] config Modified configuration YANG data tree.
  * @return 0 on success, non-zero otherwise.
  */
-int nc_server_config_del_ch_tls_ca_cert(const char *client_name, const char *endpt_name,
+int nc_server_config_del_ch_tls_client_ca(const char *client_name, const char *endpt_name,
         const char *cert_name, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG configuration data nodes for a Call Home truststore reference to a set of client certificate authority (trust-anchor) certificates.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the Call Home client's endpoint.
+ * If a Call Home client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] cert_bag_ref Identifier of the certificate bag in the truststore to be referenced.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_tls_client_ca_truststore_ref(const struct ly_ctx *ctx, const char *client_name,
+        const char *endpt_name, const char *cert_bag_ref, struct lyd_node **config);
+
+/**
+ * @brief Deletes a Call Home client certificate authority (trust-anchor) certificates truststore reference from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing Call Home endpoint that belongs to the given client.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_tls_client_ca_truststore_ref(const char *client_name, const char *endpt_name,
+        struct lyd_node **config);
+
+/**
  * @brief Creates new YANG configuration data nodes for a Call Home cert-to-name entry.
  *
  * @param[in] ctx libyang context.
@@ -1129,6 +1822,138 @@
         uint32_t id, struct lyd_node **config);
 
 /**
+ * @brief Creates new YANG configuration data nodes for a Call Home TLS version.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the Call Home client's endpoint.
+ * If a Call Home client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] tls_version TLS version to be used. Call this multiple times to set the accepted versions
+ * of the TLS protocol and let the client and server negotiate the given version.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_tls_version(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        NC_TLS_VERSION tls_version, struct lyd_node **config);
+
+/**
+ * @brief Deletes a TLS version from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing Call Home endpoint that belongs to the given client.
+ * @param[in] tls_version TLS version to be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_tls_version(const char *client_name, const char *endpt_name,
+        NC_TLS_VERSION tls_version, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a Call Home TLS cipher.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the Call Home client's endpoint.
+ * If a Call Home client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @param[in] cipher_count Number of following ciphers.
+ * @param[in] ... TLS ciphers. These ciphers MUST be in the format as listed in the
+ * iana-tls-cipher-suite-algs YANG model (lowercase and separated by dashes). Regardless
+ * of the TLS protocol version used, all of these ciphers will be tried and some of them
+ * might not be set (TLS handshake might fail then). For the list of supported ciphers see
+ * the OpenSSL documentation.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_tls_ciphers(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        struct lyd_node **config, int cipher_count, ...);
+
+/**
+ * @brief Deletes a Call Home TLS cipher from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing Call Home endpoint that belongs to the given client.
+ * @param[in] cipher TLS cipher to be deleted.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_tls_cipher(const char *client_name, const char *endpt_name,
+        const char *cipher, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a Call Home Certificate Revocation List via a local file.
+ *
+ * Beware that you can choose up to one function between the three CRL alternatives on a given endpoint and calling
+ * this function will remove any CRL YANG nodes created by the other two functions.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the Call Home client's endpoint.
+ * If a Call Home client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] crl_path Path to a DER/PEM encoded CRL file.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_tls_crl_path(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        const char *crl_path, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a Call Home Certificate Revocation List via an URL.
+ *
+ * Beware that you can choose up to one function between the three CRL alternatives on a given endpoint and calling
+ * this function will remove any CRL YANG nodes created by the other two functions.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the Call Home client's endpoint.
+ * If a Call Home client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in] crl_url URL from which the CRL file will be downloaded. The file has to be in the DER or PEM format.
+ * The allowed protocols are all the protocols supported by CURL.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_tls_crl_url(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        const char *crl_url, struct lyd_node **config);
+
+/**
+ * @brief Creates new YANG configuration data nodes for a Call Home Certificate Revocation List via certificate extensions.
+ *
+ * The chain of configured Certificate Authorities will be examined. For each certificate in this chain all the
+ * CRLs from the URLs specified in their extension fields CRL Distribution Points will be downloaded and used.
+ *
+ * Beware that you can choose up to one function between the three CRL alternatives on a given endpoint and calling
+ * this function will remove any CRL YANG nodes created by the other two functions.
+ *
+ * @param[in] ctx libyang context.
+ * @param[in] client_name Arbitrary identifier of the Call Home client.
+ * If a Call Home client with this identifier already exists, its contents will be changed.
+ * @param[in] endpt_name Arbitrary identifier of the Call Home client's endpoint.
+ * If a Call Home client's endpoint with this identifier already exists, its contents will be changed.
+ * @param[in,out] config Configuration YANG data tree. If *config is NULL, it will be created.
+ * Otherwise the new YANG data will be added to the previous data and may override it.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_add_ch_tls_crl_cert_ext(const struct ly_ctx *ctx, const char *client_name, const char *endpt_name,
+        struct lyd_node **config);
+
+/**
+ * @brief Deletes all the CRL nodes from the YANG data.
+ *
+ * @param[in] client_name Identifier of an existing Call Home client.
+ * @param[in] endpt_name Identifier of an existing Call Home endpoint that belongs to the given client.
+ * @param[in,out] config Modified configuration YANG data tree.
+ * @return 0 on success, non-zero otherwise.
+ */
+int nc_server_config_del_ch_tls_crl(const char *client_name, const char *endpt_name, struct lyd_node **config);
+
+/**
  * @} TLS Call Home Server Configuration
  */