46 lines
1.5 KiB
C#
46 lines
1.5 KiB
C#
using MfGames.Cryptography;
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using MfGames.Cryptography.Extensions;
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using MfGames.Cryptography.Hashes;
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namespace MfGames.IO.Extensions;
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/// <summary>
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/// Extensions for generating
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/// </summary>
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public static class CryptographyFileInfoExtensions
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{
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/// <summary>
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/// Hashes the given input and returns the results.
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/// </summary>
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/// <param name="file">The FileInfo object or null.</param>
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/// <param name="hash">The type of hash requested.</param>
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/// <returns>Null if input is null, otherwise the hash value.</returns>
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public static byte[]? ToHashBytes(this FileInfo? file, HashType hash = HashType.Sha512)
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{
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if (file == null)
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{
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return null;
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}
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using FileStream stream = file.Open(FileMode.Open, FileAccess.Read, FileShare.Read);
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return hash.CreateHash().ComputeHash(stream);
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}
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/// <summary>
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/// Hashes the given input and returns the results as a string.
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/// </summary>
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/// <param name="file">The FileInfo object or null.</param>
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/// <param name="hash">The type of hash requested.</param>
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/// <param name="format">The format of the requested string.</param>
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/// <returns>Null if input is null, otherwise the hash value.</returns>
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public static string? ToHashString(
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this FileInfo? file,
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HashType hash = HashType.Sha512,
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ByteStringFormat format = ByteStringFormat.LowercaseHex
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)
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{
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return file?.ToHashBytes(hash).ToByteString(format);
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}
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}
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