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Istehkam e Pakistan Conference – 11th August 2023 – ARY Qtv
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Schecter Hollywood Classic STR
I have to Lower Down the Volume due to Loudness issues. And I also Add the Flanger Effect on the Clean Tone.
– Mahogany Body with Solid Flamed Maple Wings.
– 25.50″ Scale Length
– Multi-Laminate Maple Neck with Wenge and Walnut
– Ebony Fingerboard with Mother of Pearl Schecter Crest at the 12th Fret.
– 24 Frets with 14″ Radius
– Creme Neck and Headstock Binding
– Seymour Duncan Passive SH-11 & SH-1N Chrome Covered Humbucker Pickups
– 1 Volume Knob
– 1 Tone Knob with Push-Pull Pot for Coil Splitting.
– 3-Way Toggle Switch
– TonePros Bridge with String Thru the Body
– Grover Tuners
– Chrome Hardware
– Neck-Thru Construction
Copyright Disclaimer under section 107 of the Copyright Act of 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, education and research. Fair use is a use permitted by copyright statute that might otherwise be infringing.
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Gbyte blog: Use DDEV on Nix and NixOS
NixOS on the Desktop
NixOS on the server is a thing of beauty (check out my last blog post about Hosting Websites on NixOS), but after my Arch installation crapped out, I decided to take it further and also use it on my laptop as a daily driver.
Even though I was aware of the vast number of packages in the Nix repositories, I was still pleasantly surprised to find that almost all of my daily tools were available directly in the stable repository. Even Steam is just one line of configuration away!
However, a crucial work tool of mine, DDEV, was missing from the repositories. DDEV is a tool designed for launching local web development environments for PHP, Node.js and Python projects.
DDEV in the Nix User Repository
With a bit of help from a savvy individual named kraftnix in the Jupiter Broadcasting Nix Nerds matrix group, I was able to create a buildable package of ddev on Nix.
Preview emails in Rails with letter_opener, MailCatcher and MailHog 🐷
The Linux Foundation Announces Keynote Speakers for Open Source Summit Europe 2023
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The post The Linux Foundation Announces Keynote Speakers for Open Source Summit Europe 2023 appeared first on Linux.com.
Protecting Chrome Traffic with Hybrid Kyber KEM
Teams across Google are working hard to prepare the web for the migration to quantum-resistant cryptography. Continuing with our strategy for handling this major transition, we are updating technical standards, testing and deploying new quantum-resistant algorithms, and working with the broader ecosystem to help ensure this effort is a success.
As a step down this path, Chrome will begin supporting X25519Kyber768 for establishing symmetric secrets in TLS, starting in Chrome 116, and available behind a flag in Chrome 115. This hybrid mechanism combines the output of two cryptographic algorithms to create the session key used to encrypt the bulk of the TLS connection:
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X25519 – an elliptic curve algorithm widely used for key agreement in TLS today
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Kyber-768 – a quantum-resistant Key Encapsulation Method, and NIST’s PQC winner for general encryption
In order to identify ecosystem incompatibilities with this change, we are rolling this out to Chrome and to Google servers, over both TCP and QUIC and monitoring for possible compatibility issues. Chrome may also use this updated key agreement when connecting to third-party server operators, such as Cloudflare, as they add support. If you are a developer or administrator experiencing an issue that you believe is caused by this change, please file a bug. The remainder of this post provides important background information to help understand this change as well as the motivations behind it.
The Post-Quantum Motivation
Modern networking protocols like TLS use cryptography for a variety of purposes including protecting information (confidentiality) and validating the identity of websites (authentication). The strength of this cryptography is expressed in terms of how hard it would be for an attacker to violate one or more of these properties. There’s a common mantra in cryptography that attacks only get better, not worse, which highlights the importance of moving to stronger algorithms as attacks advance and improve over time.
One such advancement is the development of quantum computers, which will be capable of efficiently performing certain computations that are out of reach of existing computing methods. Many types of asymmetric cryptography used today are considered strong against attacks using existing technology but do not protect against attackers with a sufficiently-capable quantum computer.
Quantum-resistant cryptography must also be secure against both quantum and classical cryptanalytic techniques. This is not theoretical: in 2022 and 2023, several leading candidates for quantum-resistant cryptographic algorithms have been broken on inexpensive and commercially available hardware. Hybrid mechanisms such as X25519Kyber768 provide the flexibility to deploy and test new quantum-resistant algorithms while ensuring that connections are still protected by an existing secure algorithm.
On top of all these considerations, these algorithms must also be performant on commercially available hardware, providing yet another layer of challenge to this already complex problem.
Why Protecting Data in Transit is Important Now
It’s believed that quantum computers that can break modern classical cryptography won’t arrive for 5, 10, possibly even 50 years from now, so why is it important to start protecting traffic today? The answer is that certain uses of cryptography are vulnerable to a type of attack called Harvest Now, Decrypt Later, in which data is collected and stored today and later decrypted once cryptanalysis improves.
In TLS, even though the symmetric encryption algorithms that protect the data in transit are considered safe against quantum cryptanalysis, the way that the symmetric keys are created is not. This means that in Chrome, the sooner we can update TLS to use quantum-resistant session keys, the sooner we can protect user network traffic against future quantum cryptanalysis.
Deployment Considerations
Using X25519Kyber768 adds over a kilobyte of extra data to the TLS ClientHello message due to the addition of the Kyber-encapsulated key material. Our earlier experiments with CECPQ2 demonstrated that the vast majority of TLS implementations are compatible with this size increase; however, in certain limited cases, TLS middleboxes failed due to improperly hardcoded restrictions on message size.
To assist with enterprises dealing with network appliance incompatibility while these new algorithms get rolled out, administrators can disable X25519Kyber768 in Chrome using the PostQuantumKeyAgreementEnabled enterprise policy, available starting in Chrome 116. This policy will only be offered as a temporary measure; administrators are strongly encouraged to work with the vendors of the affected products to ensure that bugs causing incompatibilities get fixed as soon as possible.
As a final deployment consideration, both the X25519Kyber768 and the Kyber specifications are drafts and may change before they are finalized, which may result in Chrome’s implementation changing as well.
Posted by: Devon O’Brien, Technical Program Manager, Chrome security