diff --git a/OpenBullet/LSDoc.xml b/OpenBullet/LSDoc.xml
index 4f9fb2e..a2c1fc1 100644
--- a/OpenBullet/LSDoc.xml
+++ b/OpenBullet/LSDoc.xml
@@ -243,6 +243,7 @@ FUNCTION RandomNum 0 100 -> VAR "RANDOM"
 FUNCTION CountOccurrences "tofind" "input" -> VAR "COUNT"
 FUNCTION CharAt "index" "input" -> VAR "CHAR"
 FUNCTION Substring "startindex" "length" "input" -> VAR "SUBSTRING"
+FUNCTION AesEncrypt "secretkey" "secretmessage" -> VAR "ENCRYPTED"
     </item>
     <item name="Keycheck">
 This will spawn and execute a Keycheck Block.
diff --git a/RuriLib/Blocks/BlockFunction.cs b/RuriLib/Blocks/BlockFunction.cs
index 77f7cf4..15b4a8e 100644
--- a/RuriLib/Blocks/BlockFunction.cs
+++ b/RuriLib/Blocks/BlockFunction.cs
@@ -354,6 +354,11 @@ namespace RuriLib
                     RSAExp = LineParser.ParseLiteral(ref input, "Exponent");
                     break;
 
+                case Function.AESDecrypt:
+                case Function.AESEncrypt:
+                    AesKey = LineParser.ParseLiteral(ref input, "AES Key");
+                    break;
+
                 default:
                     break;
             }
@@ -464,6 +469,12 @@ namespace RuriLib
                         .Literal(RSAMod)
                         .Literal(RSAExp);
                     break;
+
+                case Function.AESDecrypt:
+                case Function.AESEncrypt:
+                    writer
+                        .Literal(AesKey);
+                    break;
             }
 
             writer