67 lines
2.2 KiB
C#
67 lines
2.2 KiB
C#
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using System.Security.Cryptography;
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using System.Text;
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using Galaeth.Services.Configuration;
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using Galaeth.Services.Interfaces;
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using Injectio.Attributes;
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using Konscious.Security.Cryptography;
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using Microsoft.Extensions.Options;
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namespace Galaeth.Services.Services;
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/// <inheritdoc />
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[RegisterSingleton]
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public class CryptographyService : ICryptographyService
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{
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private readonly PwdHashConfiguration _configuration;
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/// <summary>
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/// Initializes a new instance of the <see cref="CryptographyService"/> class.
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/// </summary>
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/// <param name="pwdHashSettings">Instance of <see cref="IOptions{PwdHashConfiguration}"/>.</param>
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public CryptographyService(IOptions<PwdHashConfiguration> pwdHashSettings)
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{
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_configuration = pwdHashSettings.Value;
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}
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/// <inheritdoc/>
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public byte[] GenerateSalt(int? size = null)
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{
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var result = RandomNumberGenerator.GetBytes(size ?? _configuration.SaltSize);
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return result;
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}
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/// <inheritdoc/>
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public byte[] HashPassword(string password, byte[] salt)
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{
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var argon2Id = new Argon2id(Encoding.UTF8.GetBytes(password));
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argon2Id.Salt = salt;
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argon2Id.DegreeOfParallelism = _configuration.DegreeOfParallelism;
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argon2Id.Iterations = _configuration.NumberOfIterations;
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argon2Id.MemorySize = _configuration.MemoryToUseKb;
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var bytes = argon2Id.GetBytes(_configuration.HashSize);
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GC.Collect();
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return bytes;
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}
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/// <inheritdoc/>
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public bool VerifyPassword(string password, byte[] salt, byte[] passwordHash)
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{
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var checkHash = HashPassword(password, salt);
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return passwordHash.SequenceEqual(checkHash);
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}
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/// <inheritdoc/>
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public bool VerifyPassword(string password, string salt, string passwordHash)
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{
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var checkHash = HashPassword(password, Convert.FromBase64String(salt));
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return Convert.FromBase64String(passwordHash).SequenceEqual(checkHash);
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}
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/// <inheritdoc/>
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public string GenerateRandomString(int length)
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{
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const string availableChars = "ABCDEFGHIJKLMONOPQRSTUVWXYZabcdefghijklmonopqrstuvwxyz0123456789";
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return RandomNumberGenerator.GetString(availableChars, length);
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}
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}
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