cryptography

  1. Verifying update hashes

    Some of you may have noticed us improving our defense-in-depth practices for bulletins by supplying sha1 and sha2 hashes in the Knowledge Base (KB) articles. This has been most visible in the KB with the addition of the “File hash information” section, but it is also noted in the...
    • News
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    • automated updates code integrity cryptography defense-in-depth download verification faq file hash file verification hashes improvement kb articles microsoft msu files powershell scripting security sha1 sha256 trustworthy computing update
    • Replies: 0
    • Forum: Security Alerts

  2. Microsoft Security Advisory (2661254): Update For Minimum Certificate Key Length - Version: 1.2

    Revision Note: V1.2 (September 11, 2012): Clarified that applications and services that use RSA keys for cryptography and call into the CertGetCertificateChain function could be impacted by this update. Examples of these applications and services include but are not limited to encrypted email...
    • News
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    • advisory applications attack certificate cryptography encryption fraudulent key length microsoft phishing private pki revision note rsa keys security services spoofing ssl tls update windows
    • Replies: 0
    • Forum: Security Alerts
  3. T

    Windows 7 Problem connecting with a Windows CP computer

    Ok, so I just got my Windows 7 on my HP 6530b laptop, and I have stored my documents on my fathers XP computer meanwhile. Problem is I can't connect to his computer. He can find be but I can't find him. I have been googling for a while now, and the things I have done to fix this is: - Change it...
    • Torben Komma
    • Thread
    • connectivity cryptography file sharing homegroup hp laptop networking troubleshooting windows 7 windows xp work network
    • Replies: 1
    • Forum: Windows Help and Support

  4. Security Advisory 2718704: Collision attack details, WU update rollout

    Today, as a part of our continuing phased mitigation strategy recently discussed, we have initiated the additional hardening of Windows Update. We’ve also provided more information about the MD5 hash-collision attacks used by the Flame malware in the SRD blog. This information should help...
    • News
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    • advisory attack automatic update certificates code signing collision cryptography customer support hardening information integrity malware md5 mitigation phased strategy protection security trustworthy computing windows update windows vista
    • Replies: 0
    • Forum: Security Alerts

  5. Security Advisory 2718704: Update to Phased Mitigation Strategy

    Hello, At Microsoft, our commitment is to help ensure customer trust in their computing experience. That was the impetus for Trustworthy Computing, and central to that is the priority we place on taking the necessary actions to help protect our customers. Yesterday, we issued Security Advisory...
    • News
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    • advisory attack certificates codesigning collaboration collisions cryptography customers defense deployment hardening malware microsoft mitigation phased protection security trustworthy update windows
    • Replies: 0
    • Forum: Security Alerts

  6. Microsoft releases Security Advisory 2718704

    Hello, We recently became aware of a complex piece of targeted malware known as “Flame” and immediately began examining the issue. As many reports assert, Flame has been used in highly sophisticated and targeted attacks and, as a result, the vast majority of customers are not at...
    • News
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    • advisory antivirus certification cryptography cybersecurity enterprise flame licensing malware microsoft remotedesktop riskmitigation security targetedattacks trustworthycomputing updates vulnerabilities
    • Replies: 0
    • Forum: Security Alerts

  7. Error message when you try to validate a copy of Windows: The cryptographic operation failed due to

    When you try to validate a copy of Windows, you may receive an error message that resembles the following: When you try to validate Windows from , Windows downloads an update , however when Windows tries to install the update, the update shows an error... Link Removed
    • News
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    • activation copy cryptography error failed installation message support troubleshooting update validation windows
    • Replies: 0
    • Forum: Knowledge Base (KB)

  8. "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing" security s

    Explains how you can configure the negotiation of stronger, FIPS-compliant cryptography in Windows XP and in later operating systems by enabling certain security settings. Link Removed
    • News
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    • algorithms configuration cryptography encryption fips hashing security settings signing windows xp
    • Replies: 0
    • Forum: Knowledge Base (KB)

  9. Description of the Cryptography API proxy detection mechanism when downloading a Certificate Revocat

    This KB article describes the proxy detection mechanism that the Cryptography (Crypto) API uses to download a CRL from a CRL distribution point. It discusses the locations of the registry where proxy information is found. Link Removed
    • News
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    • api certificate crl cryptography detection distribution mechanism proxy registry revocation
    • Replies: 0
    • Forum: Knowledge Base (KB)

  10. Microsoft Security Advisory (961509): Research proves feasibility of collision attacks against MD5

    Revision Note: Advisory published Summary: Microsoft is aware that research was published at a security conference proving a successful attack against X.509 digital certificates signed using the MD5 hashing algorithm. This attack method would allow an attacker to generate additional...
    • News
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    • advisory attack authentication certificates collision conference cryptography cybersecurity digital signature hashing md5 microsoft research security vulnerabilities x.509
    • Replies: 0
    • Forum: Security Alerts

  11. SiSoft Sandra updated to 15.124 SP3a

    So what's new in it for you? 1. Support for Windows 7 RTM, built and tested with the latest Windows 7 tools. 2. New OpenCL GPGPU benchmarks: complete set of OpenCL benchmarks in addition to the existing CUDA & STREAM versions: 3. New OpenGL GFX benchmarks: complete set of OpenGL benchmarks with...
    • kemical
    • Thread
    • avx benchmarks cryptography cuda directx drivers gpgpu graphics instructions intel opencl opengl performance sandra sisoft software sse4.1 testing update windows 7
    • Replies: 0
    • Forum: Software Updates
  12. B

    Windows 7 Can't install NETGEAR drivers

    Hi all. Windows 7 on a dell machine (XPS) Usb netgear wireless fob WG111 v2. Running vista 64x no problem, tried installing same drivers straight up, no-can-do as they are not digitally signed. Tried running in compatability mode Tried disabling crypotography service so it dont check for...
    • Brij
    • Thread
    • bcdedit bugs compatibility cryptography dell digital signature driver issues driver signature drivers error installation legacy drivers netgear networking tech support usb windows 7 wireless wireless fob xps
    • Replies: 8
    • Forum: Windows Networking