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  2. ssh-keygen - Wikipedia

    en.wikipedia.org/wiki/Ssh-keygen

    ssh-keygen is a standard component of the Secure Shell (SSH) protocol suite found on Unix, Unix-like and Microsoft Windows computer systems used to establish secure shell sessions between remote computers over insecure networks, through the use of various cryptographic techniques.

  3. SSHFP record - Wikipedia

    en.wikipedia.org/wiki/SSHFP_record

    This output would be produced by a ssh-keygen -r host.example.com. command on the target server by reading the existing default SSH host key (Ed25519). [5] With the OpenSSH suite, the ssh-keyscan utility can be used to determine the fingerprint of a host's key; using the -D will print out the SSHFP record directly. [6]

  4. Random number generator attack - Wikipedia

    en.wikipedia.org/wiki/Random_number_generator_attack

    Key types affected include SSH keys, OpenVPN keys, DNSSEC keys, key material for use in X.509 certificates and session keys used in SSL/TLS connections. Keys generated with GnuPG or GNUTLS are not affected as these programs used different methods to generate random numbers. Keys generated by non-Debian-based Linux distributions are also unaffected.

  5. Secure Shell - Wikipedia

    en.wikipedia.org/wiki/Secure_Shell

    SSH only verifies that the same person offering the public key also owns the matching private key. In all versions of SSH it is important to verify unknown public keys , i.e. associate the public keys with identities , before accepting them as valid.

  6. S/KEY - Wikipedia

    en.wikipedia.org/wiki/S/KEY

    S/KEY is a one-time password system developed for authentication to Unix-like operating systems, especially from dumb terminals or untrusted public computers on which one does not want to type a long-term password. A user's real password is combined in an offline device with a short set of characters and a decrementing counter to form a single ...

  7. ssh-agent - Wikipedia

    en.wikipedia.org/wiki/Ssh-agent

    Secure Shell (SSH) is a protocol allowing secure remote login to a computer on a network using public-key cryptography.SSH client programs (such as ssh from OpenSSH) typically run for the duration of a remote login session and are configured to look for the user's private key in a file in the user's home directory (e.g., .ssh/id_rsa).

  8. Key generation - Wikipedia

    en.wikipedia.org/wiki/Key_generation

    Since public-key algorithms tend to be much slower than symmetric-key algorithms, modern systems such as TLS and SSH use a combination of the two: one party receives the other's public key, and encrypts a small piece of data (either a symmetric key or some data used to generate it). The remainder of the conversation uses a (typically faster ...

  9. OpenSSH - Wikipedia

    en.wikipedia.org/wiki/OpenSSH

    ssh-add and ssh-agent, utilities to ease authentication by holding keys ready and avoid the need to enter passphrases every time they are used. ssh-keygen, a tool to inspect and generate the RSA, DSA and elliptic-curve keys that are used for user and host authentication. ssh-keyscan, which scans a list of hosts and collects their public keys.