diff --git a/Cargo.lock b/Cargo.lock
index d3289b3..8d511a2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,8 +1,16 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "alt_serde"
-version = "1.0.104"
+name = "ahash"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "const-random 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "autocfg"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -39,6 +47,24 @@ name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "const-random"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "const-random-macro 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "const-random-macro"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "curve25519-dalek"
 version = "2.0.0"
@@ -105,20 +131,25 @@ dependencies = [
 ]
 
 [[package]]
-name = "half"
-version = "1.5.0"
+name = "hashbrown"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ahash 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "ironforest"
 version = "0.1.0"
 dependencies = [
- "alt_serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "curve25519-dalek 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ecdsa 0.5.0-pre (registry+https://github.com/rust-lang/crates.io-index)",
+ "pinecone 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_cbor 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -131,11 +162,30 @@ name = "opaque-debug"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "pinecone"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "hashbrown 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.9"
@@ -197,15 +247,6 @@ dependencies = [
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "serde_cbor"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "half 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.104"
@@ -271,12 +312,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [metadata]
-"checksum alt_serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "03beeddedd09889b96def26f78ba46e34ffd9bdaaa33b2c980cbaa1d0e762686"
+"checksum ahash 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "6f33b5018f120946c1dcf279194f238a9f146725593ead1c08fa47ff22b0b5d3"
+"checksum autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
 "checksum block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
 "checksum block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
 "checksum byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 "checksum byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+"checksum const-random 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "2f1af9ac737b2dd2d577701e59fd09ba34822f6f2ebdb30a7647405d9e55e16a"
+"checksum const-random-macro 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "25e4c606eb459dd29f7c57b2e0879f2b6f14ee130918c2b78ccb58a9624e6c7a"
 "checksum curve25519-dalek 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "26778518a7f6cffa1d25a44b602b62b979bd88adb9e99ffec546998cf3404839"
 "checksum digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
 "checksum ecdsa 0.5.0-pre (registry+https://github.com/rust-lang/crates.io-index)" = "1d7e523a6e90b7682c0857c1d26cf06f3a0224bc2dfb0766f5e35a0a71ad3dbe"
@@ -284,10 +328,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 "checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
 "checksum getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
-"checksum half 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f36b5f248235f45773d4944f555f83ea61fe07b18b561ccf99d7483d7381e54d"
+"checksum hashbrown 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8e6073d0ca812575946eb5f35ff68dbe519907b25c42530389ff946dc84c6ead"
 "checksum libc 0.2.67 (registry+https://github.com/rust-lang/crates.io-index)" = "eb147597cdf94ed43ab7a9038716637d2d1bf2bc571da995d0028dec06bd3018"
 "checksum opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
+"checksum pinecone 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d428731d3fa65fb4be3a898fa9dc46f512b43874a621377d21c96582f1372e21"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
+"checksum proc-macro-hack 0.5.12 (registry+https://github.com/rust-lang/crates.io-index)" = "f918f2b601f93baa836c1c2945faef682ba5b6d4828ecb45eeb7cc3c71b811b4"
 "checksum proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6c09721c6781493a2a492a96b5a5bf19b65917fe6728884e7c44dd0c60ca3435"
 "checksum quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2bdc6c187c65bca4260c9011c9e3132efe4909da44726bad24cf7572ae338d7f"
 "checksum rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
@@ -295,7 +341,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 "checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 "checksum serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
-"checksum serde_cbor 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1e18acfa2f90e8b735b2836ab8d538de304cbb6729a7360729ea5a895d15a622"
 "checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
 "checksum sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "27044adfd2e1f077f649f59deb9490d3941d674002f7d062870a60ebe9bd47a0"
 "checksum signature 1.0.0-pre.3 (registry+https://github.com/rust-lang/crates.io-index)" = "561619c00cf6a187ebfc21e46bc4c0ce4e4d5f67cd640e7b1c58d9c3754b38aa"
diff --git a/Cargo.toml b/Cargo.toml
index 0795beb..3afc2cb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 [dependencies]
 ecdsa = "0.5.0-pre"
 curve25519-dalek = "2"
-alt_serde = "1.0.104"
+sha2 = "0.8.1"
 rand = "*"
 serde = { version = "1.0", features = ["derive", "alloc"], default-features = false }
-serde_cbor = { version = "0.11", default-features = false }
+pinecone = "0.2.3"
diff --git a/src/addresses.rs b/src/addresses.rs
deleted file mode 100644
index 4947df5..0000000
--- a/src/addresses.rs
+++ /dev/null
@@ -1,14 +0,0 @@
-extern crate rand;
-use serde::{Serialize, Deserialize};
-
-#[derive(Serialize, Deserialize, Debug, PartialEq)]
-pub struct PublicKey {
-    pub id: u64
-}
-
-#[derive(Serialize, Deserialize, Debug, PartialEq)]
-pub struct SecretKey {}
-
-pub fn gen_keys() -> (PublicKey, SecretKey) {
-    (PublicKey { id: rand::random::<u64>() }, SecretKey {})
-}
diff --git a/src/crypto.rs b/src/crypto.rs
new file mode 100644
index 0000000..99c2326
--- /dev/null
+++ b/src/crypto.rs
@@ -0,0 +1,31 @@
+extern crate rand;
+use serde::{Serialize, Deserialize};
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct PublicKey {
+    pub id: u64
+}
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct KeyPack {
+    pub public_key: PublicKey,
+    secret_key: u64,
+}
+
+impl KeyPack {
+    pub fn gen() -> KeyPack {
+        KeyPack { public_key: PublicKey { id: rand::random::<u64>() }, secret_key: 0 }
+    }
+}
+
+impl PublicKey {
+    pub fn verify_sign(self, sign: u64) -> bool {
+        true
+    }
+}
+
+impl KeyPack {
+    pub fn sign(self, msg: u64) -> u64 {
+        0
+    }
+}
diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..2d93388
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1 @@
+pub trait Error {}
diff --git a/src/ironforce.rs b/src/ironforce.rs
index eed2ccf..79768b7 100644
--- a/src/ironforce.rs
+++ b/src/ironforce.rs
@@ -1,16 +1,14 @@
 use crate::transport::Transport;
-use crate::addresses::{PublicKey, SecretKey, gen_keys};
+use crate::crypto::{PublicKey, KeyPack};
 
 
 pub struct IronForce {
     transport: Transport,
-    public: PublicKey,
-    secret: SecretKey,
+    key_pack: KeyPack
 }
 
 impl IronForce {
-    pub fn new() -> IronForce {
-        let (public, secret) = gen_keys();
-        IronForce { transport: Transport {}, public, secret }
+    pub fn gen() -> IronForce {
+        IronForce { transport: Transport {}, key_pack: KeyPack::gen() }
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index c83265b..7b8f344 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,10 +3,12 @@
 
 extern crate alloc;
 
+
 mod ironforce;
 mod transport;
 mod message;
-mod addresses;
+mod crypto;
+mod error;
 
 #[cfg(test)]
 mod tests {
@@ -16,17 +18,12 @@ mod tests {
 
     #[test]
     fn creation_works() {
-        IronForce::new();
+        IronForce::gen();
     }
 
     #[test]
     fn serialization() {
-        let msg = crate::message::Message {
-            msg_type: MsgType::MultiCast,
-            hash: 0,
-            body: 0,
-            source: crate::addresses::PublicKey { id: 0 },
-        };
+        let msg = crate::message::Message::new(MsgType::MultiCast, Vec::<u8>::new(), crate::crypto::KeyPack::gen());
         let serialized = msg.ser();
         let msg2 = Message::deserialize(serialized);
     }
diff --git a/src/message.rs b/src/message.rs
index feda78b..d46daf1 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -1,36 +1,43 @@
+use crate::crypto::{PublicKey, KeyPack};
+use sha2::Digest;
 use serde::{Serialize, Deserialize};
-use crate::addresses::PublicKey;
 use alloc::vec::Vec;
+use pinecone::{from_bytes, to_vec};
+use serde::private::de::size_hint::from_bounds;
 
 
-#[derive(Serialize, Deserialize, Debug, PartialEq)]
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
 pub enum MsgType {
     MultiCast,
     ToTarget(PublicKey),
 }
 
-#[derive(Serialize, Deserialize, Debug, PartialEq)]
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
 pub struct Message {
     pub msg_type: MsgType,
-    pub hash: u64,
-    pub body: u64,
+    pub body: Vec<u8>,
     pub source: PublicKey,
+    hash: u64,
+    sign: u64,
 }
 
 impl Message {
+    fn get_hash(self) -> Vec<u8> {
+        let mut hasher = sha2::Sha256::new();
+        hasher.input(self.ser());
+        hasher.result().to_vec()
+    }
+
+    pub fn new(msg_type: MsgType, body: Vec<u8>, key_pack: KeyPack) -> Message {
+        let msg = Message { msg_type, body, source: key_pack.public_key, hash: 0, sign: 0 };
+        msg
+    }
+
     pub fn ser(self) -> Vec<u8> {
-        let mut buf = [0u8; 8192];
-        let mut ser = serde_cbor::Serializer::new(
-            serde_cbor::ser::SliceWrite::new(&mut buf[..])
-        );
-        self.serialize(&mut ser).unwrap();
-        let writer = ser.into_inner();
-        buf.to_vec()
+        to_vec(&self).expect("Serialization failed")
     }
 
     pub fn deserialize(serialized: Vec<u8>) -> Self {
-        let mut scratch = [0u8; 8192];
-        let msg = serde_cbor::de::from_slice_with_scratch(&serialized.as_slice(), &mut scratch).unwrap();
-        msg
+        from_bytes(&serialized).expect("Deserialization failed")
     }
 }