New Release

CMakeLists.txt

@@ -137,7 +137,6 @@ file(GLOB_RECURSE LIB_SRC
     ${CMAKE_CURRENT_SOURCE_DIR}/app/src/parser_impl.c
     ${CMAKE_CURRENT_SOURCE_DIR}/app/src/parser_impl_common.c
     ${CMAKE_CURRENT_SOURCE_DIR}/app/src/crypto_helper.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/app/src/crypto_helper/chacha.c
 
     # ###
     ${CMAKE_CURRENT_SOURCE_DIR}/deps/blake2/ref/blake2b-ref.c
@@ -150,7 +149,6 @@ target_include_directories(app_lib PUBLIC
     ${CMAKE_CURRENT_SOURCE_DIR}/deps/ledger-zxlib/include
     ${CMAKE_CURRENT_SOURCE_DIR}/app/src
     ${CMAKE_CURRENT_SOURCE_DIR}/app/src/lib
-    ${CMAKE_CURRENT_SOURCE_DIR}/app/src/crypto_helper
     ${CMAKE_CURRENT_SOURCE_DIR}/app/src/common
     ${CMAKE_CURRENT_SOURCE_DIR}/app/rust/include
     ${CMAKE_CURRENT_SOURCE_DIR}/deps/blake2/ref

README.md

@@ -1,4 +1,5 @@
 # Ledger Ironfish app
+
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![GithubActions](https://github.com/Zondax/ledger-ironfish/actions/workflows/main.yml/badge.svg)](https://github.com/Zondax/ledger-ironfish/blob/main/.github/workflows/main.yaml)
 
@@ -26,15 +27,15 @@ Please:
 - **Do not use a Ledger device with funds for development purposes.**
 - **Have a separate and marked device that is used ONLY for development and testing**
 
-
 ## Download and install a prerelease
 
-*Once the app is approved by Ledger, it will be available in their app store (Ledger Live).
-You can get builds generated by Github Actions from the release tab. THESE ARE UNVETTED DEVELOPMENT RELEASES*
+_Once the app is approved by Ledger, it will be available in their app store (Ledger Live).
+You can get builds generated by Github Actions from the release tab. THESE ARE UNVETTED DEVELOPMENT RELEASES_
 
-Download a release from here (https://github.com/Zondax/ledger-ironfish/releases). You only need `installer.sh`
+Download a release from here (<https://github.com/Zondax/ledger-ironfish/releases>). You only need `installer.sh`
 
 If the file is not executable, run
+
 ```sh
 chmod +x ./installer.sh
 ```
@@ -56,9 +57,10 @@ then run:
     ```
 
 - Install Docker CE
-    - Instructions can be found here: https://docs.docker.com/install/
+  - Instructions can be found here: <https://docs.docker.com/install/>
 
 - We only officially support Ubuntu. Install the following packages:
+
    ```
    sudo apt update && apt-get -y install build-essential git wget cmake \
   libssl-dev libgmp-dev autoconf libtool
@@ -67,12 +69,12 @@ then run:
 - Install `node > v13.0`. We typically recommend using `n`
 
 - You will need python 3 and then run
-    - `make deps`
+  - `make deps`
 
 - This project requires Ledger firmware 2.0
-    - The current repository keeps track of Ledger's SDK but it is possible to override it by changing the git submodule.
+  - The current repository keeps track of Ledger's SDK but it is possible to override it by changing the git submodule.
 
-*Warning*: Some IDEs may not use the same python interpreter or virtual enviroment as the one you used when running `pip`.
+_Warning_: Some IDEs may not use the same python interpreter or virtual enviroment as the one you used when running `pip`.
 If you see conan is not found, check that you installed the package in the same interpreter as the one that launches `cmake`.
 
 ## How to build ?
@@ -83,22 +85,27 @@ If you see conan is not found, check that you installed the package in the same
 - Building the app itself
 
     If you installed the what is described above, just run:
+
     ```bash
-    make
+    APP_TESTING=1 make
     ```
 
+    The APP_TESTING flag enables the use of specific test values during compilation, which is essential for testing with Zemu.
+
 ## Running tests
 
 - Running rust tests (x64)
 
     If you installed the what is described above, just run:
+
     ```bash
     make rust_test
     ```
 
 - Running C/C++ tests (x64)
 
     If you installed the what is described above, just run:
+
     ```bash
     make cpp_test
     ```
@@ -114,9 +121,9 @@ If you see conan is not found, check that you installed the package in the same
 > What is Zemu?? Great you asked!!
 > As part of this project, we are making public a beta version of our internal testing+emulation framework for Ledger apps.
 >
-> Npm Package here: https://www.npmjs.com/package/@zondax/zemu
+> Npm Package here: <https://www.npmjs.com/package/@zondax/zemu>
 >
-> Repo here: https://github.com/Zondax/zemu
+> Repo here: <https://github.com/Zondax/zemu>
 
 Let's go! First install everything:
 > At this moment, if you change the app you will need to run `make` before running the test again.
@@ -137,20 +144,21 @@ To run a single specific test:
 
 ## Using a real device
 
-### How to prepare your DEVELOPMENT! device:
+### How to prepare your DEVELOPMENT! device
 
->  You can use an emulated device for development. This is only required if you are using a physical device
+> You can use an emulated device for development. This is only required if you are using a physical device
 >
->    **Please do not use a Ledger device with funds for development purposes.**
+> **Please do not use a Ledger device with funds for development purposes.**
 >>
->    **Have a separate and marked device that is used ONLY for development and testing**
+> **Have a separate and marked device that is used ONLY for development and testing**
 
    There are a few additional steps that increase reproducibility and simplify development:
 
 **1 - Ensure your device works in your OS**
+
 - In Linux hosts it might be necessary to adjust udev rules, etc.
 
-  Refer to Ledger documentation: https://support.ledger.com/hc/en-us/articles/115005165269-Fix-connection-issues
+  Refer to Ledger documentation: <https://support.ledger.com/hc/en-us/articles/115005165269-Fix-connection-issues>
 
 **2 - Set a test mnemonic**
 
@@ -181,7 +189,6 @@ Many of our integration tests expect the device to be configured with a known te
 
 - Run `make dev_ca`. The device will receive a development certificate to avoid constant manual confirmations.
 
-
 ### Loading into your development device
 
 The Makefile will build the firmware in a docker container and leave the binary in the correct directory.
@@ -194,6 +201,7 @@ The Makefile will build the firmware in a docker container and leave the binary
 
 - Upload to a device
    The following command will upload the application to the ledger. _Warning: The application will be deleted before uploading._
+
    ```
    make load          # Builds and loads the app to the device
    ```

app/Makefile.version

@@ -3,4 +3,4 @@ APPVERSION_M=0
 # This is the minor version
 APPVERSION_N=1
 # This is the patch version
-APPVERSION_P=0
+APPVERSION_P=1

app/rust/Cargo.toml

@@ -14,6 +14,7 @@ crate-type = ["staticlib"]
 [dependencies]
 jubjub = { version = "0.10.0", default-features = false }
 blake2b_simd = { version = "1.0.0", default-features = false }
+chacha20poly1305 = { version = "0.10.1", default-features = false }
 
 [target.thumbv6m-none-eabi.dev-dependencies]
 panic-halt = "0.2.0"

app/rust/include/rslib.h

@@ -15,8 +15,10 @@ parser_error_t scalar_multiplication(const uint8_t input[32], constant_key_t key
 parser_error_t randomizeKey(const uint8_t key[KEY_LENGTH], const uint8_t randomness[KEY_LENGTH], uint8_t output[KEY_LENGTH]);
 parser_error_t compute_sbar(const uint8_t s[KEY_LENGTH], const uint8_t r[KEY_LENGTH], const uint8_t rsk[KEY_LENGTH],
                             uint8_t sbar[32]);
-parser_error_t shared_secret(uint8_t secret_key[32], uint8_t other_public_key[32], const uint8_t reference_public_key[32],
-                             uint8_t output[32]);
+parser_error_t decrypt_note(const uint8_t *note, uint8_t secret_key[32], uint8_t other_public_key[32],
+                            const uint8_t reference_public_key[32], uint8_t output[32]);
+parser_error_t decrypt_note_encryption_keys(const uint8_t *ovk, const uint8_t *note, uint8_t output[ENCRYPTED_SHARED_KEY_SIZE]);
+
 #ifdef __cplusplus
 }
 #endif