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OpenAPI Specification

openapi: 3.1.0
info:
  title: SSH Key Management Authorized Keys Known Hosts API
  description: A REST API for managing SSH keys, certificates, and access policies in infrastructure environments. Provides endpoints for key generation, certificate signing, authorized keys management, and host key verification. This represents common SSH management capabilities available via OpenSSH tooling and SSH certificate authority implementations.
  version: '1.0'
  contact:
    name: OpenSSH Project
    url: https://www.openssh.com/
  license:
    name: BSD License
    url: https://www.openssh.com/portable.html
servers:
- url: https://api.openssh.example.com/v1
  description: SSH Management API
security:
- BearerAuth: []
tags:
- name: Known Hosts
  description: Known hosts verification and management
paths:
  /known-hosts:
    get:
      operationId: listKnownHosts
      summary: List Known Hosts
      description: Returns the list of known SSH hosts and their public keys.
      tags:
      - Known Hosts
      parameters:
      - name: hostname
        in: query
        description: Filter by hostname
        schema:
          type: string
      responses:
        '200':
          description: Known hosts list
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KnownHostsResponse'
    post:
      operationId: addKnownHost
      summary: Add Known Host
      description: Adds a host and its public key to the known_hosts database.
      tags:
      - Known Hosts
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/KnownHostCreate'
      responses:
        '201':
          description: Host added
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KnownHost'
components:
  schemas:
    KnownHostsResponse:
      type: object
      properties:
        hosts:
          type: array
          items:
            $ref: '#/components/schemas/KnownHost'
        total:
          type: integer
    KnownHostCreate:
      type: object
      required:
      - hostname
      - publicKey
      properties:
        hostname:
          type: string
        publicKey:
          type: string
        keyType:
          type: string
    KnownHost:
      type: object
      properties:
        id:
          type: string
        hostname:
          type: string
        keyType:
          type: string
        publicKey:
          type: string
        fingerprint:
          type: string
        addedAt:
          type: string
          format: date-time
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT