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.NET Blog0 Hot0 comments3 min read
Microsoft is updating its author-signing certificate starting September 23, 2026
AI summary
Từ ngày 23 tháng 9 năm 2026, Microsoft sẽ chuyển sang sử dụng certificate X.509 mới để ký cho các package NuGet. Các package đã ký bằng certificate cũ vẫn hợp lệ, nhưng package mới sẽ sử dụng certificate mới. Nhà phát triển sử dụng allow list trusted-signer trong nuget.config hoặc dùng dotnet nuget verify với fingerprints certificate cần thêm fingerprint SHA-256 mới (9A1B131BEE0605433056A4EA3815478A8E177961A968C6C0027C1093D1FEB630) bên cạnh các fingerprint cũ, nếu không quá trình install package sẽ thất bại với lỗi NU3034. Người dùng không có custom trust policies sẽ không bị ảnh hưởng.
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Why read it: Lập trình viên nên đọc bài này để biết cách cập nhật chứng ký mới của Microsoft cho NuGet packages tránh lỗi cài đặt.
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Source: https://devblogs.microsoft.com/dotnet/microsoft-author-signing-certificate-update-2026. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.
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