131 lines
3.2 KiB
C#
131 lines
3.2 KiB
C#
namespace ASC.Security.Cryptography;
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public static class Hasher
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{
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private const HashAlg DefaultAlg = HashAlg.SHA256;
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public static byte[] Hash(string data, HashAlg hashAlg)
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{
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return ComputeHash(data, hashAlg);
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}
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public static byte[] Hash(string data)
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{
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return Hash(data, DefaultAlg);
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}
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public static byte[] Hash(byte[] data, HashAlg hashAlg)
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{
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return ComputeHash(data, hashAlg);
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}
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public static byte[] Hash(byte[] data)
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{
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return Hash(data, DefaultAlg);
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}
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public static string Base64Hash(string data, HashAlg hashAlg)
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{
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return ComputeHash64(data, hashAlg);
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}
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public static string Base64Hash(string data)
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{
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return Base64Hash(data, DefaultAlg);
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}
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public static string Base64Hash(byte[] data, HashAlg hashAlg)
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{
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return ComputeHash64(data, hashAlg);
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}
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public static string Base64Hash(byte[] data)
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{
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return Base64Hash(data, DefaultAlg);
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}
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public static bool EqualHash(byte[] dataToCompare, byte[] hash)
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{
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return EqualHash(dataToCompare, hash, DefaultAlg);
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}
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public static bool EqualHash(string dataToCompare, string hash, HashAlg hashAlg)
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{
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return EqualHash(S2B(dataToCompare), S642B(hash), hashAlg);
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}
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public static bool EqualHash(string dataToCompare, string hash)
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{
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return EqualHash(dataToCompare, hash, DefaultAlg);
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}
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public static bool EqualHash(byte[] dataToCompare, byte[] hash, HashAlg hashAlg)
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{
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return string.Equals(
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ComputeHash64(dataToCompare, hashAlg),
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B2S64(hash)
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);
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}
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private static HashAlgorithm GetAlg(HashAlg hashAlg)
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{
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return hashAlg switch
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{
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HashAlg.MD5 => MD5.Create(),
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HashAlg.SHA1 => SHA1.Create(),
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HashAlg.SHA256 => SHA256.Create(),
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HashAlg.SHA512 => SHA512.Create(),
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_ => SHA256.Create()
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};
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}
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private static byte[] S2B(string str)
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{
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ArgumentNullException.ThrowIfNull(str);
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return Encoding.UTF8.GetBytes(str);
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}
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private static string B2S(byte[] data)
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{
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ArgumentNullException.ThrowIfNull(data);
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return Encoding.UTF8.GetString(data);
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}
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private static byte[] S642B(string str)
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{
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ArgumentNullException.ThrowIfNull(str);
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return Convert.FromBase64String(str);
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}
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private static string B2S64(byte[] data)
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{
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ArgumentNullException.ThrowIfNull(data);
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return Convert.ToBase64String(data);
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}
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private static byte[] ComputeHash(byte[] data, HashAlg hashAlg)
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{
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using var alg = GetAlg(hashAlg);
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return alg.ComputeHash(data);
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}
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private static byte[] ComputeHash(string data, HashAlg hashAlg)
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{
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return ComputeHash(S2B(data), hashAlg);
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}
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private static string ComputeHash64(byte[] data, HashAlg hashAlg)
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{
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return B2S64(ComputeHash(data, hashAlg));
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}
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private static string ComputeHash64(string data, HashAlg hashAlg)
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{
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return ComputeHash64(S2B(data), hashAlg);
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}
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} |