update

src/CMSMicroservice.Application/Common/Interfaces/IHashService.cs

@@ -0,0 +1,18 @@
+namespace CMSMicroservice.Application.Common.Interfaces;
+public interface IHashService
+{
+    // Computes a deterministic SHA-256 hex string for the given input (legacy helper)
+    string ComputeSha256Hex(string input);
+    // Compares plain input with a stored hex hash (case-insensitive) (legacy helper)
+    bool VerifySha256Hex(string input, string? expectedHexHash);
+
+    // Computes HMAC-SHA256 hex using a provided secret (for OTP and similar)
+    string ComputeHmacSha256Hex(string input, string secret);
+    // Verifies input against expected HMAC-SHA256 hex using the secret
+    bool VerifyHmacSha256Hex(string input, string? expectedHexHash, string secret);
+
+    // Creates a salted password hash using PBKDF2; returns an encoded string containing algorithm params and salt
+    string HashPassword(string password);
+    // Verifies a password against the stored hash; supports both PBKDF2 format and legacy SHA-256 hex
+    bool VerifyPassword(string password, string? storedHash);
+}