diff --git a/homework/password-check/validation.cpp b/homework/password-check/validation.cpp
index a2f12ff3..ac372a36 100644
--- a/homework/password-check/validation.cpp
+++ b/homework/password-check/validation.cpp
@@ -1,2 +1,56 @@
 #include "validation.hpp"
-// TODO: Put implementations here
\ No newline at end of file
+
+std::string getErrorMessage(ErrorCode code) {
+    switch (code) {
+    case ErrorCode::Ok:
+        return "Ok";
+    case ErrorCode::PasswordNeedsAtLeastNineCharacters:
+        return "Password needs to have at least nine characters";
+    case ErrorCode::PasswordNeedsAtLeastOneNumber:
+        return "Password needs to have at least one number";
+    case ErrorCode::PasswordNeedsAtLeastOneSpecialCharacter:
+        return "Password needs to have at least one special character";
+    case ErrorCode::PasswordNeedsAtLeastOneUppercaseLetter:
+        return "Password needs to have at least one uppercase letter";
+    case ErrorCode::PasswordsDoNotMatch:
+        return "Passwords do not match";
+    default:
+        return "Error";
+    }
+}
+
+bool doPasswordsMatch(std::string pwd1, std::string pwd2) {
+    if (pwd1 == pwd2) {
+        return true;
+    }
+    return false;
+}
+
+ErrorCode checkPasswordRules(std::string pwd) {
+    std::string charToChekc = "QWERTYUIOPASDFGHJKLZXCVBNM1234567890!@#$%^&*()";
+    if (pwd.size() >= 9) {
+        for (int it = 0; it <= pwd.size(); it++) {
+            if (!isupper(pwd[it])) {
+                return ErrorCode::PasswordNeedsAtLeastOneUppercaseLetter;
+            }
+            if (!ispunct(pwd[it])) {
+                return ErrorCode::PasswordNeedsAtLeastOneSpecialCharacter;
+            }
+            if (!isdigit(pwd[it])) {
+                return ErrorCode::PasswordNeedsAtLeastOneNumber;
+            }
+        }
+        return ErrorCode::Ok;
+
+    } else if (pwd.size() < 9) {
+        return ErrorCode::PasswordNeedsAtLeastNineCharacters;
+    }
+    return ErrorCode::Ok;
+}
+
+ErrorCode checkPassword(std::string password, std::string repPassword) {
+    if (!doPasswordsMatch(password, repPassword)) {
+        return ErrorCode::PasswordsDoNotMatch;
+    }
+    return checkPasswordRules(password);
+}
diff --git a/homework/password-check/validation.hpp b/homework/password-check/validation.hpp
index 85160868..a1304c58 100644
--- a/homework/password-check/validation.hpp
+++ b/homework/password-check/validation.hpp
@@ -1,2 +1,17 @@
-// TODO: I'm empty :) Put enum and function headers here.
-// Don't forget the header guard - #pragma once
\ No newline at end of file
+#pragma once
+#include <iostream>
+#include <string>
+
+enum class ErrorCode {
+    Ok,
+    PasswordNeedsAtLeastNineCharacters,
+    PasswordNeedsAtLeastOneNumber,
+    PasswordNeedsAtLeastOneSpecialCharacter,
+    PasswordNeedsAtLeastOneUppercaseLetter,
+    PasswordsDoNotMatch
+};
+
+std::string getErrorMessage(ErrorCode code);
+bool doPasswordsMatch(std::string pwd1, std::string pwd2);
+ErrorCode checkPasswordRules(std::string pwd);
+ErrorCode checkPassword(std::string password, std::string repPassword);