zhaowei.huangandCursor
4223a572c5
覆盖包库回传、任务下发、CDM 任务同步与报警采集，并为包/任务 ID 与上传文件名加上路径安全校验。 Co-authored-by: Cursor <cursoragent@cursor.com>
27 lines
794 B
C#
27 lines
794 B
C#
using System.Security.Cryptography;
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namespace MiGu.Server.Ota;
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public static class OtaHash
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{
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/// <summary>与参考 OTA 工具一致：MD5 → Base64，并去掉 '-'。</summary>
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public static string OfFile(string path)
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{
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using var fs = File.OpenRead(path);
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var hash = MD5.HashData(fs);
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return Convert.ToBase64String(hash).Replace("-", "", StringComparison.Ordinal);
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}
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public static string OfBytes(ReadOnlySpan<byte> bytes)
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{
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var hash = MD5.HashData(bytes);
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return Convert.ToBase64String(hash).Replace("-", "", StringComparison.Ordinal);
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}
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public static string Short(string? hash, int len = 8)
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{
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if (string.IsNullOrEmpty(hash)) return "—";
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return hash.Length <= len ? hash : hash[..len];
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}
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}
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