diff --git a/src/shamira.py b/src/shamira.py
--- a/src/shamira.py
+++ b/src/shamira.py
@@ -15,4 +15,11 @@ def generate(secret,k,n):
 	return [(i+1, [s[i] for s in shares]) for i in range(n)]
 
 
-print(generate(b"key",2,3))
+def reconstruct(*shares):
+	k=len(shares)
+	secretLen=len(shares[0][1])
+	res=[None]*secretLen
+	for i in range(secretLen):
+		bs=[(x,s[i]) for (x,s) in shares]
+		res[i]=(gf256.getConstantCoef(k,*bs))
+	return bytes(res)