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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. The ssh-keygen utility is used to generate, manage, and convert ...
Accredited Standards Committee X9, ASC X9 Issues New Standard for Public Key Cryptography/ECDSA, Oct. 6, 2020. Source; Accredited Standards Committee X9, American National Standard X9.62-2005, Public Key Cryptography for the Financial Services Industry, The Elliptic Curve Digital Signature Algorithm (ECDSA), November 16, 2005.
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]
This issue affects both DSA and Elliptic Curve Digital Signature Algorithm – in December 2010, the group fail0verflow announced the recovery of the ECDSA private key used by Sony to sign software for the PlayStation 3 game console.
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.
ECDH-ECDSA [88] ECDHE-ECDSA (forward secrecy) [88] ECDH-RSA [88] ECDHE-RSA (forward secrecy) [88] GOST R 34.10-94, 34.10-2001 [89] Botan: Disabled by default No Yes Disabled by default No Yes No Yes No BSAFE: Yes No Yes Yes Yes Yes Yes Yes No cryptlib: Yes No Yes Yes No Yes No No No GnuTLS: Yes No Yes Disabled by default [42] No Yes No Yes No ...
I thought the default ECDSA in ssh-keygen was using curve p256, and curve25519 was treated as a different key type. Either way, the maximum key length of those is below the article's stated minimum of 768 bits. This article needs some updating. Jbo5112 19:54, 20 July 2016 (UTC)
An SSH client is a software program which uses the secure shell protocol to connect to a remote computer. This article compares a selection of notable clients. This article compares a selection of notable clients.