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  2. ssh-keygen - Wikipedia

    en.wikipedia.org/wiki/Ssh-keygen

    Provides custom key comment (which will be appended at the end of the public key). -K Imports a private resident key from a FIDO2 device. -p Requests changing the passphrase of a private key file instead of creating a new private key. -t Specifies the type of key to create (e.g., rsa). -o Use the new OpenSSH format. -q quiets ssh-keygen.

  3. 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).

  4. PKCS 8 - Wikipedia

    en.wikipedia.org/wiki/PKCS_8

    The PKCS #8 private key may be encrypted with a passphrase using one of the PKCS #5 standards defined in RFC 2898, [2] which supports multiple encryption schemes. A new version 2 was proposed by S. Turner in 2010 as RFC 5958 [ 3 ] and might obsolete RFC 5208 someday in the future.

  5. XZ Utils backdoor - Wikipedia

    en.wikipedia.org/wiki/XZ_Utils_backdoor

    A modified version of build-to-host.m4 was included in the release tar file uploaded on GitHub, which extracts a script that performs the actual injection into liblzma. This modified m4 file was not present in the git repository; it was only available from tar files released by the maintainer separate from git. [4]

  6. OpenSSH - Wikipedia

    en.wikipedia.org/wiki/OpenSSH

    The SSH client and key agent are enabled and available by default, and the SSH server is an optional Feature-on-Demand. [21] In October 2019 protection for private keys at rest in RAM against speculation and memory side-channel attacks were added in OpenSSH 8.1. [22]

  7. Public-key cryptography - Wikipedia

    en.wikipedia.org/wiki/Public-key_cryptography

    Each key pair consists of a public key and a corresponding private key. [ 1 ] [ 2 ] Key pairs are generated with cryptographic algorithms based on mathematical problems termed one-way functions . Security of public-key cryptography depends on keeping the private key secret; the public key can be openly distributed without compromising security ...

  8. Secure Shell - Wikipedia

    en.wikipedia.org/wiki/Secure_Shell

    However, for additional security the private key itself can be locked with a passphrase. The private key can also be looked for in standard places, and its full path can be specified as a command line setting (the option -i for ssh). The ssh-keygen utility produces the public and private keys, always in pairs.

  9. Key encapsulation mechanism - Wikipedia

    en.wikipedia.org/wiki/Key_encapsulation_mechanism

    A key encapsulation mechanism, to securely transport a secret key from a sender to a receiver, consists of three algorithms: Gen, Encap, and Decap. Circles shaded blue—the receiver's public key and the encapsulation —can be safely revealed to an adversary, while boxes shaded red—the receiver's private key and the encapsulated secret key —must be kept secret.