diff --git a/apps/python/zcash_fpga.py b/apps/python/zcash_fpga.py
index 5f69ea9..735cf71 100644
--- a/apps/python/zcash_fpga.py
+++ b/apps/python/zcash_fpga.py
@@ -1,5 +1,5 @@
 
-     
+
 class zcash_fpga:
     import serial
     import codecs
@@ -19,13 +19,13 @@ class zcash_fpga:
                           'RESET_FPGA_RPL':int('80000000', 16),
                           'VERIFY_SECP256K1_SIG_RPL':int('80000101', 16)}
 
-    fpga_msg_dict = {fpga_msg_type_dict['VERIFY_SECP256K1_SIG_RPL']:{'name':'FPGA_IGNORE_RPL', 'feilds':[(8, 'index', byt_to_hex), (1, 'bm', byt_to_hex)]},
+    fpga_msg_dict = {fpga_msg_type_dict['VERIFY_SECP256K1_SIG_RPL']:{'name':'VERIFY_SECP256K1_SIG_RPL', 'feilds':[(8, 'index', byt_to_hex), (1, 'bm', byt_to_hex)]},
                      fpga_msg_type_dict['FPGA_IGNORE_RPL']:{'name':'FPGA_IGNORE_RPL', 'feilds':[(8, 'ignored_header', byt_to_hex)]},
                      fpga_msg_type_dict['FPGA_STATUS_RPL']:{'name':'FPGA_STATUS_RPL', 'feilds':[(4, 'version', byt_to_ver), (8, 'build_date', byt_to_str), (8, 'buid_host', byt_to_str), (8, 'cmd_cap', byt_to_hex)]},
                      fpga_msg_type_dict['RESET_FPGA_RPL']:{'name':'RESET_FPGA_RPL', 'feilds':[]}}
 
-    
-    def __init__(self, COM='COM4'):       
+
+    def __init__(self, COM='COM4'):
         self.s = self.serial.Serial(COM, 921600, timeout=1)
         #Test getting FPGA status
         self.get_status()
@@ -42,9 +42,9 @@ class zcash_fpga:
         # Parse reply - should be reset
         res = self.get_reply()
         if (self.struct.unpack('<I', res[4:8])[0] != self.fpga_msg_type_dict['RESET_FPGA_RPL']):
-            print("ERROR: Reply type was not RESET_FPGA_RPL")                
+            print("ERROR: Reply type was not RESET_FPGA_RPL")
 
-    def get_reply(self):    
+    def get_reply(self):
         res = self.s.read(1024)
         if len(res) > 0:
             self.print_reply(res)
@@ -52,9 +52,9 @@ class zcash_fpga:
         else:
             print ("INFO: No reply received")
             return None
- 
+
     def secp256k1_verify_sig(self, index, hsh, r, s, Qx, Qy):
-        cmd = '00000101000000B0' 
+        cmd = '00000101000000B0'
         cmd = format(index, 'x').ljust(16, '0') + cmd
         cmd = format(s, 'x').ljust(64, '0') + cmd
         cmd = format(r, 'x').ljust(64, '0') + cmd
@@ -68,7 +68,16 @@ class zcash_fpga:
         res = self.get_reply()
         if res is not None and (self.struct.unpack('<I', res[4:8])[0] != self.fpga_msg_type_dict['VERIFY_SECP256K1_SIG_RPL']):
             print("ERROR: Reply type was not VERIFY_SECP256K1_SIG_RPL")
-            
+            return False
+        if (self.struct.unpack('<I', res[8:16])[0] != index):
+            print("ERROR: Index did not match")
+            return False
+        if (self.struct.unpack('<I', res[16:17])[0] != 0):
+            print("ERROR: Result bitmask was non-zero")
+            return False
+        print("INFO: Secp256k1 signature verified correctly")
+        return True
+
     def close(self):
         self.s.close()
         print("Closed...")
@@ -82,7 +91,7 @@ class zcash_fpga:
             print("ERROR: Message length mismatch")
         cmd = (self.struct.unpack('<I', msg[4:8])[0])
         if (cmd not in self.fpga_msg_dict):
-            print("ERROR: Unknown message type:", cmd)             
+            print("ERROR: Unknown message type:", cmd)
 
         print ("INFO: Received ", self.fpga_msg_dict[cmd]['name'])
         offset = 8
@@ -94,7 +103,8 @@ class zcash_fpga:
 #Example usages:
 def example_secp256k1_sig():
     zf = zcash_fpga()
-    
+    zf.reset_fpga() # Reset incase somethign went wrong last run
+
     index = 1234
     hsh = 34597931798561447004034205848155169322219865803759328163562698792725658370004
     r = 550117237093786687120086685263208063857013211911888854762107796665370524299