trying

Cargo.lock

@@ -1,5 +1,15 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "as-slice"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.7.3"
@@ -34,14 +44,6 @@ name = "cfg-if"
 version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "core-error"
-version = "0.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "curve25519-dalek"
 version = "2.0.0"
@@ -97,6 +99,14 @@ dependencies = [
  "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.1.14"
@@ -108,20 +118,34 @@ dependencies = [
 ]
 
 [[package]]
-name = "half"
+name = "hash32"
-version = "1.5.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "heapless"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "as-slice 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash32 0.1.1 (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 = [
- "core-error 0.0.0 (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)",
+ "heapless 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "postcard 0.4.3 (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)",
 ]
 
@@ -135,6 +159,22 @@ name = "opaque-debug"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "postcard"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heapless 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "postcard-cobs 0.1.5-pre (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "postcard-cobs"
+version = "0.1.5-pre"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.6"
@@ -201,15 +241,6 @@ 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"
@@ -239,6 +270,11 @@ dependencies = [
  "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "stable_deref_trait"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "subtle"
 version = "2.2.2"
@@ -264,11 +300,6 @@ name = "unicode-xid"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "version_check"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "wasi"
 version = "0.9.0+wasi-snapshot-preview1"
@@ -280,22 +311,26 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
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 "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 core-error 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "efcdb2972eb64230b4c50646d8498ff73f5128d196a90c7236eec4cbe8619b8f"
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 "checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
+"checksum generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0ed1e761351b56f54eb9dcd0cfaca9fd0daecf93918e1cfc01c8a3d26ee7adcd"
 "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 hash32 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d4041af86e63ac4298ce40e5cca669066e75b6f1aa3390fe2561ffa5e1d9f4cc"
+"checksum heapless 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "10b591a0032f114b7a77d4fbfab452660c553055515b7d7ece355db080d19087"
 "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 postcard 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "f61f42c9617f3d7b447ee300bf80cb16c7cd7b28ca88555822793f073f69719f"
+"checksum postcard-cobs 0.1.5-pre (registry+https://github.com/rust-lang/crates.io-index)" = "7c68cb38ed13fd7bc9dd5db8f165b7c8d9c1a315104083a2b10f11354c2af97f"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
 "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"
@@ -304,14 +339,13 @@ 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"
+"checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
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-"checksum version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
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 "checksum zeroize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3cbac2ed2ba24cc90f5e06485ac8c7c1e5449fe8911aef4d8877218af021a5b8"

Cargo.toml

@@ -9,7 +9,7 @@ edition = "2018"
 ecdsa = "0.5.0-pre"
 curve25519-dalek = "2"
 sha2 = "0.8.1"
-core-error = "0.0.0"
 rand = "*"
 serde = { version = "1.0", features = ["derive", "alloc"], default-features = false }
-serde_cbor = { version = "0.11", default-features = false }
+postcard = "0.4.3"
+heapless = "0.5.3"

src/crypto.rs

@@ -1,13 +1,12 @@
 extern crate rand;
-
 use serde::{Serialize, Deserialize};
 
-#[derive(Serialize, Deserialize, Debug, PartialEq)]
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
 pub struct PublicKey {
     pub id: u64
 }
 
-#[derive(Serialize, Deserialize, Debug, PartialEq)]
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
 pub struct KeyPack {
     pub public_key: PublicKey,
     secret_key: u64,

src/lib.rs

@@ -3,6 +3,7 @@
 
 extern crate alloc;
 
+
 mod ironforce;
 mod transport;
 mod message;
@@ -13,7 +14,7 @@ mod error;
 mod tests {
     use crate::ironforce::IronForce;
     use crate::message::{MsgType, Message};
-    use alloc::vec::Vec;
+    use heapless::{Vec, consts::*};
 
     #[test]
     fn creation_works() {
@@ -22,7 +23,7 @@ mod tests {
 
     #[test]
     fn serialization() {
-        let msg = crate::message::Message::new(MsgType::MultiCast, Vec::<u8>::new(), crate::crypto::KeyPack::gen());
+        let msg = crate::message::Message::new(MsgType::MultiCast, Vec::<u8, U11>::new(), crate::crypto::KeyPack::gen());
         let serialized = msg.ser();
         let msg2 = Message::deserialize(serialized);
     }

src/message.rs

@@ -1,56 +1,48 @@
-use serde::{Serialize, Deserialize};
 use crate::crypto::{PublicKey, KeyPack};
-use alloc::vec::Vec;
 use sha2::Digest;
+use serde::{Serialize, Deserialize};
+use postcard::{to_vec, from_bytes};
+use heapless::{Vec, consts::*};
 
 
-#[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 body: Vec<u8>,
+    pub body: Vec<u8, U11>,
     pub source: PublicKey,
     hash: u64,
     sign: u64,
 }
 
 impl Message {
-    fn get_hash(self) -> Vec<u8> {
+    fn get_hash(self) -> alloc::vec::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 {
+    pub fn new(msg_type: MsgType, body: Vec<u8, U11>, 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> {
+    pub fn ser(self) -> Vec<u8, U11> {
-        let mut buf = [0u8; 8192];
+        to_vec(&self).unwrap()
-        let mut ser = serde_cbor::Serializer::new(
-            serde_cbor::ser::SliceWrite::new(&mut buf[..])
-        );
-        self.serialize(&mut ser);
-        let writer = ser.into_inner();
-        buf.to_vec()
     }
 
-    pub fn deserialize(serialized: Vec<u8>) -> Self {
+    pub fn deserialize(serialized: Vec<u8, U11>) -> Self {
-        let mut scratch = [0u8; 8192];
+        Self{
-        let msg_r = serde_cbor::de::from_slice_with_scratch(&serialized.as_slice(), &mut scratch);
+            msg_type: MsgType::MultiCast,
-        match msg_r {
+            body: Vec::<u8, U11>::new(),
-            Ok(msg) => {
+            source: PublicKey { id: 0 },
-                msg
+            hash: 0,
-            }
+            sign: 0
-            Err(e) => {
-                panic!("{}", e);
-            }
         }
     }
 }