{
    "additional_notes": [],
    "banner": {
        "comments": null,
        "protocol": "2.0",
        "raw": "SSH-2.0-dropbear_2019.78",
        "software": "dropbear_2019.78"
    },
    "compression": [
        "zlib@openssh.com",
        "none"
    ],
    "cves": [],
    "enc": [
        {
            "algorithm": "aes128-ctr",
            "notes": {
                "info": [
                    "available since OpenSSH 3.7, Dropbear SSH 0.52"
                ]
            }
        },
        {
            "algorithm": "aes256-ctr",
            "notes": {
                "info": [
                    "available since OpenSSH 3.7, Dropbear SSH 0.52"
                ]
            }
        },
        {
            "algorithm": "aes128-cbc",
            "notes": {
                "info": [
                    "available since OpenSSH 2.3.0, Dropbear SSH 0.28"
                ],
                "warn": [
                    "using weak cipher mode"
                ]
            }
        },
        {
            "algorithm": "aes256-cbc",
            "notes": {
                "info": [
                    "available since OpenSSH 2.3.0, Dropbear SSH 0.47"
                ],
                "warn": [
                    "using weak cipher mode"
                ]
            }
        },
        {
            "algorithm": "3des-ctr",
            "notes": {
                "fail": [
                    "using broken & deprecated 3DES cipher"
                ],
                "info": [
                    "available since Dropbear SSH 0.52"
                ]
            }
        },
        {
            "algorithm": "3des-cbc",
            "notes": {
                "fail": [
                    "using broken & deprecated 3DES cipher"
                ],
                "info": [
                    "available since OpenSSH 1.2.2, Dropbear SSH 0.28"
                ],
                "warn": [
                    "using weak cipher mode",
                    "using small 64-bit block size"
                ]
            }
        }
    ],
    "fingerprints": [
        {
            "hash": "jdUfqoGCDOY1drQcoqIJm/pEix2r09hqwOs9E9GimZQ",
            "hash_alg": "SHA256",
            "hostkey": "ecdsa-sha2-nistp256"
        },
        {
            "hash": "98:27:f3:12:20:f6:23:6d:1a:00:2a:6c:71:7c:1e:6b",
            "hash_alg": "MD5",
            "hostkey": "ecdsa-sha2-nistp256"
        },
        {
            "hash": "NBzry0uMAX8BRsn4mv9CHpeivMOdwzGFEKrf6Hg7tIQ",
            "hash_alg": "SHA256",
            "hostkey": "ssh-dss"
        },
        {
            "hash": "16:60:9e:54:d7:1e:b3:0d:97:60:12:ad:fe:83:a2:40",
            "hash_alg": "MD5",
            "hostkey": "ssh-dss"
        },
        {
            "hash": "CDfAU12pjQS7/91kg7gYacza0U/6PDbE04Ic3IpYxkM",
            "hash_alg": "SHA256",
            "hostkey": "ssh-rsa"
        },
        {
            "hash": "63:7f:54:f7:0a:28:7f:75:0b:f4:07:0b:fc:66:51:a2",
            "hash_alg": "MD5",
            "hostkey": "ssh-rsa"
        }
    ],
    "kex": [
        {
            "algorithm": "curve25519-sha256",
            "notes": {
                "info": [
                    "default key exchange from OpenSSH 7.4 to 8.9",
                    "available since OpenSSH 7.4, Dropbear SSH 2018.76"
                ],
                "warn": [
                    "does not provide protection against post-quantum attacks"
                ]
            }
        },
        {
            "algorithm": "curve25519-sha256@libssh.org",
            "notes": {
                "info": [
                    "default key exchange from OpenSSH 6.5 to 7.3",
                    "available since OpenSSH 6.4, Dropbear SSH 2013.62"
                ],
                "warn": [
                    "does not provide protection against post-quantum attacks"
                ]
            }
        },
        {
            "algorithm": "ecdh-sha2-nistp521",
            "notes": {
                "fail": [
                    "using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency"
                ],
                "info": [
                    "available since OpenSSH 5.7, Dropbear SSH 2013.62"
                ],
                "warn": [
                    "does not provide protection against post-quantum attacks"
                ]
            }
        },
        {
            "algorithm": "ecdh-sha2-nistp384",
            "notes": {
                "fail": [
                    "using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency"
                ],
                "info": [
                    "available since OpenSSH 5.7, Dropbear SSH 2013.62"
                ],
                "warn": [
                    "does not provide protection against post-quantum attacks"
                ]
            }
        },
        {
            "algorithm": "ecdh-sha2-nistp256",
            "notes": {
                "fail": [
                    "using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency"
                ],
                "info": [
                    "available since OpenSSH 5.7, Dropbear SSH 2013.62"
                ],
                "warn": [
                    "does not provide protection against post-quantum attacks"
                ]
            }
        },
        {
            "algorithm": "diffie-hellman-group14-sha256",
            "notes": {
                "info": [
                    "available since OpenSSH 7.3, Dropbear SSH 2016.73"
                ],
                "warn": [
                    "2048-bit modulus only provides 112-bits of symmetric strength",
                    "does not provide protection against post-quantum attacks"
                ]
            }
        },
        {
            "algorithm": "diffie-hellman-group14-sha1",
            "notes": {
                "fail": [
                    "using broken SHA-1 hash algorithm"
                ],
                "info": [
                    "available since OpenSSH 3.9, Dropbear SSH 0.53"
                ],
                "warn": [
                    "2048-bit modulus only provides 112-bits of symmetric strength",
                    "does not provide protection against post-quantum attacks"
                ]
            }
        },
        {
            "algorithm": "kexguess2@matt.ucc.asn.au",
            "notes": {
                "info": [
                    "available since Dropbear SSH 2013.57"
                ],
                "warn": [
                    "does not provide protection against post-quantum attacks"
                ]
            }
        }
    ],
    "key": [
        {
            "algorithm": "ecdsa-sha2-nistp256",
            "notes": {
                "fail": [
                    "using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency"
                ],
                "info": [
                    "available since OpenSSH 5.7, Dropbear SSH 2013.62"
                ],
                "warn": [
                    "using weak random number generator could reveal the key"
                ]
            }
        },
        {
            "algorithm": "ssh-rsa",
            "keysize": 1024,
            "notes": {
                "fail": [
                    "using broken SHA-1 hash algorithm",
                    "using small 1024-bit modulus"
                ],
                "info": [
                    "deprecated in OpenSSH 8.8: https://www.openssh.com/txt/release-8.8",
                    "available since OpenSSH 2.5.0, Dropbear SSH 0.28"
                ]
            }
        },
        {
            "algorithm": "ssh-dss",
            "notes": {
                "fail": [
                    "using small 1024-bit modulus"
                ],
                "info": [
                    "disabled in OpenSSH 7.0: https://www.openssh.com/txt/release-7.0",
                    "available since OpenSSH 2.1.0, Dropbear SSH 0.28"
                ],
                "warn": [
                    "using weak random number generator could reveal the key"
                ]
            }
        }
    ],
    "mac": [
        {
            "algorithm": "hmac-sha1-96",
            "notes": {
                "fail": [
                    "using broken SHA-1 hash algorithm"
                ],
                "info": [
                    "available since OpenSSH 2.5.0, Dropbear SSH 0.47"
                ],
                "warn": [
                    "using encrypt-and-MAC mode"
                ]
            }
        },
        {
            "algorithm": "hmac-sha1",
            "notes": {
                "fail": [
                    "using broken SHA-1 hash algorithm"
                ],
                "info": [
                    "available since OpenSSH 2.1.0, Dropbear SSH 0.28"
                ],
                "warn": [
                    "using encrypt-and-MAC mode"
                ]
            }
        },
        {
            "algorithm": "hmac-sha2-256",
            "notes": {
                "info": [
                    "available since OpenSSH 5.9, Dropbear SSH 2013.56"
                ],
                "warn": [
                    "using encrypt-and-MAC mode"
                ]
            }
        }
    ],
    "recommendations": {
        "critical": {
            "del": {
                "enc": [
                    {
                        "name": "3des-cbc",
                        "notes": ""
                    },
                    {
                        "name": "3des-ctr",
                        "notes": ""
                    }
                ],
                "kex": [
                    {
                        "name": "diffie-hellman-group14-sha1",
                        "notes": ""
                    },
                    {
                        "name": "ecdh-sha2-nistp256",
                        "notes": ""
                    },
                    {
                        "name": "ecdh-sha2-nistp384",
                        "notes": ""
                    },
                    {
                        "name": "ecdh-sha2-nistp521",
                        "notes": ""
                    }
                ],
                "key": [
                    {
                        "name": "ecdsa-sha2-nistp256",
                        "notes": ""
                    },
                    {
                        "name": "ssh-dss",
                        "notes": ""
                    },
                    {
                        "name": "ssh-rsa",
                        "notes": ""
                    }
                ],
                "mac": [
                    {
                        "name": "hmac-sha1",
                        "notes": ""
                    },
                    {
                        "name": "hmac-sha1-96",
                        "notes": ""
                    }
                ]
            }
        },
        "informational": {
            "add": {
                "enc": [
                    {
                        "name": "twofish128-ctr",
                        "notes": ""
                    },
                    {
                        "name": "twofish256-ctr",
                        "notes": ""
                    }
                ]
            }
        },
        "warning": {
            "del": {
                "enc": [
                    {
                        "name": "aes128-cbc",
                        "notes": ""
                    },
                    {
                        "name": "aes256-cbc",
                        "notes": ""
                    }
                ],
                "kex": [
                    {
                        "name": "curve25519-sha256",
                        "notes": ""
                    },
                    {
                        "name": "curve25519-sha256@libssh.org",
                        "notes": ""
                    },
                    {
                        "name": "diffie-hellman-group14-sha256",
                        "notes": ""
                    },
                    {
                        "name": "kexguess2@matt.ucc.asn.au",
                        "notes": ""
                    }
                ],
                "mac": [
                    {
                        "name": "hmac-sha2-256",
                        "notes": ""
                    }
                ]
            }
        }
    },
    "target": "localhost:2222"
}