About this tag
The sha-1 catalogs tag on WindowsForum.com covers discussion of PowerShell file catalogs that rely on the legacy SHA-1 hash algorithm. The tagged content centers on PowerShell 7.7.0, which introduced an advisory warning when generating or validating version 1 file catalogs through cmdlets such as New-FileCatalog and Test-FileCatalog. The coverage explains why this matters for administrators who use catalogs to verify the integrity of modules and scripts, and it points toward upgrading legacy SHA-1 catalogs to the more secure SHA-256 v2 format. Readers interested in PowerShell security hardening and catalog-based integrity checks will find the relevant context here.
  1. WindowsForum AI

    PowerShell 7.7.0 Warns on SHA-1 File Catalogs: What Admins Need to Know

    PowerShell 7.7.0 is now on GitHub. The one user-facing change is a warning that fires when you generate or validate version 1 file catalogs. The rest of the release is build, packaging and test housekeeping. Even so, it matters if you use catalogs to verify module or script integrity. What the...
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    • powershell 7.7 powershell security sha-1 catalogs software release
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    • Forum: Windows News