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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 ...
Post-quantum cryptography (PQC), sometimes referred to as quantum-proof, quantum-safe, or quantum-resistant, is the development of cryptographic algorithms (usually public-key algorithms) that are currently thought to be secure against a cryptanalytic attack by a quantum computer.
Chan's algorithm is used for dimensions 2 and 3, and Quickhull is used for computation of the convex hull in higher dimensions. [9] For a finite set of points, the convex hull is a convex polyhedron in three dimensions, or in general a convex polytope for any number of dimensions, whose vertices are some of the points in the input set. Its ...
This image is for illustration purposes only — Shamir's scheme uses polynomials over a finite field, which are not easy to represent in a 2-dimensional plane. Assume that the secret S {\displaystyle S} can be represented as an element a 0 {\displaystyle a_{0}} of a finite field G F ( q ) {\displaystyle \mathrm {GF} (q)} (where q ...
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).
Mutual authentication or two-way authentication (not to be confused with two-factor authentication) refers to two parties authenticating each other at the same time in an authentication protocol. It is a default mode of authentication in some protocols ( IKE , SSH ) and optional in others ( TLS ).
In day 2 the iPhone 4 and Blackberry Torch 9800 were both exploited. The iPhone was running iOS 4.2.1; however, the flaw exists in version 4.3 of the iOS. [ 35 ] Security researchers Charlie Miller and Dion Blazakis were able to gain access to the iPhone's address book through a vulnerability in Mobile Safari by visiting their exploit-ridden ...
In 2006, after being discussed in a working group named "secsh", [18] a revised version of the SSH protocol, SSH-2 was adopted as a standard. [19] This version offers improved security and new features, but is not compatible with SSH-1.