Added new decryption block (be careful - untested component). Changed CMakeFiles to reflect more modular design (not finished for the lib directory)
diff --git a/grc/decryption/gsm_decryption.xml b/grc/decryption/gsm_decryption.xml
new file mode 100644
index 0000000..28a2b93
--- /dev/null
+++ b/grc/decryption/gsm_decryption.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<block>
+ <name>Decryption</name>
+ <key>gsm_decryption</key>
+ <import>import grgsm</import>
+ <make>grgsm.decryption($k_c)</make>
+
+ <param>
+ <name>Kc session key</name>
+ <key>k_c</key>
+ <type>int_vector</type>
+ </param>
+
+ <sink>
+ <name>bursts</name>
+ <type>message</type>
+ </sink>
+ <source>
+ <name>bursts</name>
+ <type>message</type>
+ </source>
+
+</block>