module huawei-dsa {

    yang-version 1;

    namespace "urn:huawei:yang:huawei-dsa";

    prefix dsa;

    import huawei-extension {
      prefix ext;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
     Bantian, Longgang
     Shenzhen 518129
     People's Republic of China
     Website: http://www.huawei.com
     Email: support@huawei.com";

    description "DSA.";

    revision "2019-05-01" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "ssh-server";

    typedef dsa-key-type {
      type enumeration {
        enum "2048" {
          value 2048;
          description "Modulus 2048.";
        }
      }
      description "DSA key length.";
    }

    typedef dsa-encode-type {
      type enumeration {
        enum "der" {
          value 0;
          description "DER.";
        }
        enum "pem" {
          value 1;
          description "PEM.";
        }
        enum "openssh" {
          value 2;
          description "OpenSSH.";
        }
      }
      description "DSA encodein type list.";
    }

    container dsa {
      description "DSA.";
      container local-keys {
        description
          "Configure local key code.";
        container local-key {
          presence "create dsaLocalKey.";
          description
            "Enable/disable local key code.";
          leaf key-size {
            type dsa-key-type;
            default "2048";
            description "Key size.";
          }

          leaf host-key-name {
            type string {
              length "0..264";
            }
            config false;
            description "Hostkey name.";
          }

          leaf host-key-code {
            type string {
              length "0..2048";
            }
            config false;
            description "Hostkey code.";
          }

          leaf host-key-pem {
            type string {
              length "0..2048";
            }
            config false;
            description
              "Hostkey code in PEM format.";
          }

          leaf host-key-openssh {
            type string {
              length "0..2048";
            }
            config false;
            description
              "Hostkey code in OpenSSH format.";
          }
        }  // container local-key
      }  // container local-keys

      container peer-keys {
        description
          "List of peer key table.";
        list peer-key {
          key "key-name";
          max-elements 20;
          description
            "Configure peer key code. If the key code is bound, it cannot be deleted, you need to unbind and then delete.";
          leaf key-name {
            type string {
              length "1..40";
            }
            description "Key name.";
          }

          leaf key-code {
            ext:support-filter "true";
            type string {
              length "1..4096";
            }
            mandatory true;
            description
              "Key code conforming to PEM, OpenSSH or DER format.";
          }

          leaf encoding-type {
            ext:support-filter "true";
            type dsa-encode-type;
            default "der";
            description "Encode type.";
          }
        }  // list peer-key
      }  // container peer-keys

      container key-pairs {
        description
          "List of DSA keypair labels.";
        list key-pair {
          key "key-pair-label";
          max-elements 20;
          description
            "Configure DSA keypair label policy.";
          leaf key-pair-label {
            type string {
              length "1..35";
              pattern '[a-z0-9_]*';
            }
            description
              "Keypair Label Name : It only contains underscores (_), lowercase letters and digits.";
          }

          leaf key-size {
            ext:support-filter "true";
            type dsa-key-type;
            default "2048";
            description "Size of Keypair.";
          }

          leaf host-key-code {
            ext:support-filter "true";
            type string {
              length "0..2048";
            }
            config false;
            description "DSA hostkey code.";
          }
        }  // list key-pair
      }  // container key-pairs

      container dsa-global {
        description
          "Configure global Configuration.";
        leaf max-key-pair {
          type int32 {
            range "1..20";
          }
          default "20";
          description
            "Maximum keypair value.";
        }
      }  // container dsa-global
    }  // container dsa
  }  // module huawei-dsa