diff --git a/lib/mce.cpp b/lib/mce.cpp
index 747cc87..954d441 100644
--- a/lib/mce.cpp
+++ b/lib/mce.cpp
@@ -7,24 +7,29 @@ using namespace ccr::mce;
 int generate (pubkey&pub, privkey&priv, prng&rng)
 {
 
+	return -1; //TODO
 }
 
 int pubkey::encrypt (const bvector& in, bvector&out, prng&rng)
 {
 
+	return -1; //TODO
 }
 
 int privkey::decrypt (const bvector&in, bvector&out)
 {
 
+	return -1; //TODO
 }
 
 int privkey::sign (const bvector&in, bvector&out, uint min_delta, prng&rng)
 {
 
+	return -1; //TODO
 }
 
 int pubkey::verify (const bvector&in, const bvector&hash, uint missing)
 {
 
+	return -1; //TODO
 }
diff --git a/lib/nd.cpp b/lib/nd.cpp
index d264abc..079b6e6 100644
--- a/lib/nd.cpp
+++ b/lib/nd.cpp
@@ -7,24 +7,29 @@ using namespace ccr::nd;
 int generate (pubkey&pub, privkey&priv, prng&rng)
 {
 
+	return -1; //TODO
 }
 
 int pubkey::encrypt (const bvector& in, bvector&out, prng&rng)
 {
 
+	return -1; //TODO
 }
 
 int privkey::decrypt (const bvector&in, bvector&out)
 {
 
+	return -1; //TODO
 }
 
 int privkey::sign (const bvector&in, bvector&out, uint min_delta, prng&rng)
 {
 
+	return -1; //TODO
 }
 
 int pubkey::verify (const bvector&in, const bvector&hash, uint missing)
 {
 
+	return -1; //TODO
 }
diff --git a/lib/polynomial.cpp b/lib/polynomial.cpp
index 59b1c19..34dc41e 100644
--- a/lib/polynomial.cpp
+++ b/lib/polynomial.cpp
@@ -6,6 +6,7 @@ using namespace ccr;
 bool polynomial::is_irreducible()
 {
 
+	return false;
 }
 
 void polynomial::generate_random_irreducible (uint size, prng&rng)