diff --git a/src/StevanFreeborn.Extensions.Configuration.Secure/Cryptography/ICryptoProvider.cs b/src/StevanFreeborn.Extensions.Configuration.Secure/Cryptography/ICryptoProvider.cs
index 4009509..b9ff163 100644
--- a/src/StevanFreeborn.Extensions.Configuration.Secure/Cryptography/ICryptoProvider.cs
+++ b/src/StevanFreeborn.Extensions.Configuration.Secure/Cryptography/ICryptoProvider.cs
@@ -1,7 +1,21 @@
 namespace StevanFreeborn.Extensions.Configuration.Secure.Cryptography;
 
-internal interface ICryptoProvider
+/// <summary>
+/// Defines the contract for cryptographic operations.
+/// </summary>
+public interface ICryptoProvider
 {
+  /// <summary>
+  /// Encrypts the provided plain text.
+  /// </summary>
+  /// <param name="plainText">The unencrypted string to be encrypted.</param>
+  /// <returns>The encrypted cipher text.</returns>
   string Encrypt(string plainText);
+
+  /// <summary>
+  /// Decrypts the provided cipher text.
+  /// </summary>
+  /// <param name="cipherText">The encrypted string to be decrypted.</param>
+  /// <returns>The decrypted plain text.</returns>
   string Decrypt(string cipherText);
 }
\ No newline at end of file
diff --git a/src/StevanFreeborn.Extensions.Configuration.Secure/Cryptography/IEncryptionKeyProvider.cs b/src/StevanFreeborn.Extensions.Configuration.Secure/Cryptography/IEncryptionKeyProvider.cs
index 9bcd2c4..2886c5a 100644
--- a/src/StevanFreeborn.Extensions.Configuration.Secure/Cryptography/IEncryptionKeyProvider.cs
+++ b/src/StevanFreeborn.Extensions.Configuration.Secure/Cryptography/IEncryptionKeyProvider.cs
@@ -1,6 +1,13 @@
 namespace StevanFreeborn.Extensions.Configuration.Secure.Cryptography;
 
-internal interface IEncryptionKeyProvider
+/// <summary>
+/// Defines a contract for providing encryption keys used to secure configuration data.
+/// </summary>
+public interface IEncryptionKeyProvider
 {
+  /// <summary>
+  /// Retrieves the encryption key as a byte array.
+  /// </summary>
+  /// <returns>A byte array containing the encryption key.</returns>
   byte[] GetKey();
 }
\ No newline at end of file