48 lines
1.9 KiB
C#
48 lines
1.9 KiB
C#
using System.Security.Cryptography;
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using System.Text;
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namespace MareSynchronos.Utils;
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public static class Crypto
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{
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#pragma warning disable SYSLIB0021 // Type or member is obsolete
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private static readonly Dictionary<string, string> _hashListSHA1 = new(StringComparer.Ordinal);
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private static readonly Dictionary<string, string> _hashListSHA256 = new(StringComparer.Ordinal);
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private static readonly SHA256CryptoServiceProvider _sha256CryptoProvider = new();
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private static readonly SHA1CryptoServiceProvider _sha1CryptoProvider = new();
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public static string GetFileHash(this string filePath)
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{
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using SHA1CryptoServiceProvider cryptoProvider = new();
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return BitConverter.ToString(cryptoProvider.ComputeHash(File.ReadAllBytes(filePath))).Replace("-", "", StringComparison.Ordinal);
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}
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public static string GetHash(this string stringToHash)
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{
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return GetOrComputeHashSHA1(stringToHash);
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}
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public static string GetHash256(this string stringToHash)
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{
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return GetOrComputeHashSHA256(stringToHash);
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}
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private static string GetOrComputeHashSHA1(string stringToCompute)
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{
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if (_hashListSHA1.TryGetValue(stringToCompute, out var hash))
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return hash;
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return _hashListSHA1[stringToCompute] = BitConverter.ToString(_sha1CryptoProvider.ComputeHash(Encoding.UTF8.GetBytes(stringToCompute))).Replace("-", "", StringComparison.Ordinal);
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}
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private static string GetOrComputeHashSHA256(string stringToCompute)
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{
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if (_hashListSHA256.TryGetValue(stringToCompute, out var hash))
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return hash;
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return _hashListSHA256[stringToCompute] = BitConverter.ToString(_sha256CryptoProvider.ComputeHash(Encoding.UTF8.GetBytes(stringToCompute))).Replace("-", "", StringComparison.Ordinal);
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}
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#pragma warning restore SYSLIB0021 // Type or member is obsolete
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} |