diff --git a/Assignment 7 - SGX Hands-on/README.md b/Assignment 7 - SGX Hands-on/README.md
index 1ad57aa..aa692f3 100644
--- a/Assignment 7 - SGX Hands-on/README.md	
+++ b/Assignment 7 - SGX Hands-on/README.md	
@@ -4,7 +4,7 @@ Documentation of the Assignment 7 in Systems Security at Ruhr-Universität Bochu
 This is a program, that uses a TEE to build a signature relay to sign firmware with a master key.
 For more informationm, read the [project description](doc/abgabe.pdf).
 
-We recommend viewing the  [repository](https://git.pfzetto.de/RubNoobs/Systemsicherheit/src/branch/master/Assignment%207%20-%20SGX%20Hands-on) we worked on together at.
+We recommend viewing the [repository]("https://git.pfzetto.de/RubNoobs/Systemsicherheit/src/branch/master/Assignment 7 - SGX Hands-on") we worked on together at.
 
 ## Requirements
 
diff --git a/Assignment 7 - SGX Hands-on/doc/abgabe.pdf b/Assignment 7 - SGX Hands-on/doc/abgabe.pdf
index 05d5adc..4dca903 100644
Binary files a/Assignment 7 - SGX Hands-on/doc/abgabe.pdf and b/Assignment 7 - SGX Hands-on/doc/abgabe.pdf differ
diff --git a/Assignment 7 - SGX Hands-on/doc/abgabe.typ b/Assignment 7 - SGX Hands-on/doc/abgabe.typ
index 751a8f9..4a77ad0 100644
--- a/Assignment 7 - SGX Hands-on/doc/abgabe.typ	
+++ b/Assignment 7 - SGX Hands-on/doc/abgabe.typ	
@@ -122,6 +122,7 @@ Erst, wenn der Schlüssel in die Enclave kommt und entsiegelt wird, kann der Sch
 Die Enclave bietet eine Schnittstelle für Signaturen mit ECDSA an. 
 Dabei wird die Kurve secp256r1 verwendet.
 
+
 == Vorteile
 
 Dieses Programm bietet einige Vorteile, unter anderem:
diff --git a/Assignment 7 - SGX Hands-on/src/enclave/enclave.c b/Assignment 7 - SGX Hands-on/src/enclave/enclave.c
index f99f22e..23d2771 100644
--- a/Assignment 7 - SGX Hands-on/src/enclave/enclave.c	
+++ b/Assignment 7 - SGX Hands-on/src/enclave/enclave.c	
@@ -206,7 +206,13 @@ sgx_status_t get_public_key(const uint8_t *sealed, uint32_t sealed_size, uint8_t
     }
 
     // unseal public key
-    return unseal_key_pair(sealed, NULL, (sgx_ec256_public_t *)public);
+    sgx_status_t status;
+    if((status = unseal_key_pair(sealed, NULL, (sgx_ec256_public_t *)public)) != SGX_SUCCESS) {
+        return status;
+    }
+
+    // return success
+    return status;
 }
 
 /*