Enable Microsoft.CodeAnalysis.FxCopAnalyzers for Jellyfin.Common

1 files changed, 35 insertions, 0 deletions

diff --git a/MediaBrowser.Common/Cryptography/CryptoExtensions.cs b/MediaBrowser.Common/Cryptography/CryptoExtensions.cs
new file mode 100644
index 0000000000..157b0ed100
--- /dev/null
+++ b/MediaBrowser.Common/Cryptography/CryptoExtensions.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using MediaBrowser.Model.Cryptography;
+using static MediaBrowser.Common.Cryptography.Constants;
+
+namespace MediaBrowser.Common.Cryptography
+{
+    /// <summary>
+    /// Class containing extension methods for working with Jellyfin cryptography objects.
+    /// </summary>
+    public static class CryptoExtensions
+    {
+        /// <summary>
+        /// Creates a new <see cref="PasswordHash" /> instance.
+        /// </summary>
+        /// <param name="cryptoProvider">The <see cref="ICryptoProvider" /> instance used.</param>
+        /// <param name="password">The password that will be hashed.</param>
+        /// <returns>A <see cref="PasswordHash" /> instance with the hash method, hash, salt and number of iterations.</returns>
+        public static PasswordHash CreatePasswordHash(this ICryptoProvider cryptoProvider, string password)
+        {
+            byte[] salt = cryptoProvider.GenerateSalt();
+            return new PasswordHash(
+                cryptoProvider.DefaultHashMethod,
+                cryptoProvider.ComputeHashWithDefaultMethod(
+                    Encoding.UTF8.GetBytes(password),
+                    salt),
+                salt,
+                new Dictionary<string, string>
+                {
+                    { "iterations", DefaultIterations.ToString(CultureInfo.InvariantCulture) }
+                });
+        }
+    }
+}