[wallet] encrypt/decrypt mnemonic using AES-128-CBC with SHA256 HMAC

Author: davinat0r

.gitignore

@@ -18,4 +18,5 @@ target/
 #.idea/
 
 devbox.json
-devbox.lock
+devbox.lock
+.vscode

Cargo.lock

@@ -5,4 +5,10 @@ edition = "2021"
 
 [dependencies]
 bip39 = "2.1.0"
+cbc = {version = "0.1.2", features = ["std"]}
+pbkdf2 = "0.12.2"
 rand = "0.8.5"
+sha2 = "0.10.8"
+aes = "0.8.4"
+hmac = "0.12.1"
+hex = "0.4.3"

Cargo.toml

@@ -1,4 +1,4 @@
-#[derive(PartialEq, Eq)]
+#[derive(PartialEq, Eq, Clone)]
 pub enum NetworkKind {
     Mainnet,
     Testnet,
@@ -15,6 +15,7 @@ impl NetworkKind {
     }
 }
 
+#[derive(Clone)]
 pub struct Network {
     pub kind: NetworkKind,
     pub url: String,

src/network/mod.rs

@@ -13,7 +13,7 @@ impl TransactionVersion {
         }
     }
 
-    pub fn from_network(network: NetworkKind) -> Self {
+    pub fn from_network(network: &NetworkKind) -> Self {
         return match network {
             NetworkKind::Mainnet => Self::Mainnet,
             NetworkKind::Testnet => Self::Testnet,

src/transactions/constants.rs

@@ -12,7 +12,7 @@ enum Payload {
 }
 
 pub trait TransactionSerialization {
-    fn serialize(&self) -> [u8];
+    fn serialize(&self) -> Vec<u8>;
 }
 
 pub struct StacksTransaction {
@@ -24,7 +24,7 @@ pub struct StacksTransaction {
 }
 
 impl TransactionSerialization for StacksTransaction {
-    fn serialize(&self) -> [u8] {}
+    fn serialize(&self) -> Vec<u8> { vec![] }
 }
 
 pub fn build_token_transfer_transaction(
@@ -42,8 +42,8 @@ pub fn build_token_transfer_transaction(
             memo: memo,
             recipient: recipient,
         }),
-        network: network,
+        network: network.clone(),
         post_condition_mode: PostConditionMode::Deny,
-        version: TransactionVersion::from_network(network.kind),
+        version: TransactionVersion::from_network(&network.kind),
     }
 }