Remove broken/blocking coreboot/heads build support
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parent
707e554b82
commit
7dfb2882a6
GPG Key ID:
8E47A1EC35A1551D
19
Makefile
19
Makefile
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@ -2,7 +2,6 @@ NAME := airgap
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IMAGE := local/$(NAME):latest
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ARCH := x86_64
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TARGET := $(ARCH)
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DEVICES := librem_13v4 librem_15v4
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USER := $(shell id -u):$(shell id -g)
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CPUS := $(shell docker run -it debian nproc)
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GIT_REF := $(shell git log -1 --format=%H config)
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@ -53,20 +52,13 @@ mrproper:
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docker image rm -f $(IMAGE)
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rm -rf $(CACHE_DIR) $(OUT_DIR)
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.PHONY: build-fw
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build-fw: $(CACHE_DIR)/toolchain.tar
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$(call toolchain,$(USER),"build-fw")
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mkdir -p $(RELEASE_DIR)
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for device in $(DEVICES); do \
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cp \
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$(CACHE_DIR)/heads/build/$${device}/pureboot*.rom \
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$(RELEASE_DIR)/$${device}.rom ; \
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done
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## Release Targets
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.PHONY: release
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release: | out/release.env out/airgap.iso out/manifest.txt
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release: | \
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$(OUT_DIR)/release.env \
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$(OUT_DIR)/airgap.iso \
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$(OUT_DIR)/manifest.txt
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mkdir -p $(RELEASE_DIR)
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cp out/release.env $(RELEASE_DIR)/release.env
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cp out/airgap.iso $(RELEASE_DIR)/airgap.iso
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@ -200,7 +192,7 @@ $(OUT_DIR)/airgap.iso: \
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cd buildroot; \
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make "airgap_$(TARGET)_defconfig"; \
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unset FAKETIME; \
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make source; \
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make source; \
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make; \
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")
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mkdir -p $(OUT_DIR)
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@ -271,7 +263,6 @@ define toolchain
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--env FAKETIME=$(FAKETIME) \
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--env BR2_EXTERNAL="/$(BR2_EXTERNAL)" \
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--env HEADS_EXTERNAL="/$(HEADS_EXTERNAL)" \
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--env DEVICES="$(DEVICES)" \
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--env UID="$(shell id -u)" \
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--env GID="$(shell id -g)" \
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$(IMAGE) \
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38
README.md
38
README.md
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@ -4,7 +4,7 @@
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## About ##
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A live buildroot based distribution designed for managing secrets offline.
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A live buildroot based Liux distribution designed for managing secrets offline.
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Built for those of us that want to be -really- sure our most important secrets
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are managed in a clean environment with an "air gap" between us and the
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@ -18,19 +18,11 @@ internet with high integrity on the supply chain of the firmware and OS used.
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* Store/Restore BIP39 seed to a hardware wallet such as a Trezor or Ledger
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## Features ##
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* Builds Coreboot-heads firmware for all supported devices for measured boot
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* Determinsitic rom/iso generation for multi-party code->binary verification
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* Determinsitic iso generation for multi-party code->binary verification
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* Small footprint (< 100MB)
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* Immutable and Diskless: runs from initramfs
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* Network support and most drivers removed to minimize exfiltration vectors
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## Supported Devices ##
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| Device | TPM Model | TPM Version | Remote Attestation |
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|-------------|:--------------:|:-----------:|:-------------------:|
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| Librem13v4 | Infineon 9465 | 1.2 | HOTP via Nitrokey |
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| Librem15v4 | Infineon 9456 | 1.2 | HOTP via Nitrokey |
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## Requirements ##
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### Software ###
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@ -39,14 +31,14 @@ internet with high integrity on the supply chain of the firmware and OS used.
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### Hardware ###
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* Supported PC already running coreboot-heads
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* Ensure any Wifi/Disk/Bluetooth/Audio devices are removed
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* Recommended: PC running coreboot-heads
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* Allows for signed builds, and verification of signed sd card payloads
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* Ensure any Wifi/Disk/Bluetooth/Audio devices are disabled/removed
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* Supported remote attestation key (Librem Key, Nitrokey, etc)
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* Supported GPG smartcard device (Yubikey, Ledger, Trezor, Librem Key, etc)
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* Blank flash drive
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* Blank SD card
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## Build ##
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### Build a new release
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@ -67,19 +59,15 @@ internet with high integrity on the supply chain of the firmware and OS used.
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make VERSION=1.0.0rc1 sign
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```
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## Install ##
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1. Place contents of release/$VERSION folder on SD card
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2. Boot machine to Heads -> Options -> Flash/Update BIOS
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3. Flash firmware via "Flash the firmware with new ROM, erase settings"
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4. Insert external Remote attestation key and signing key when prompted
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6. Reboot and verify successful remote attestation
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7. Boot to shell: Options -> Recovery Shell
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8. Mount SD card
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9. Insert chosen GPG Smartcard device
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10. Sign target iso ```gpg --armor --detach-sign airgap*.iso```
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11. Reboot
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## Setup ##
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1. Insert external Remote attestation key and signing key when prompted
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2. Reboot and verify successful remote attestation
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3. Boot to shell: Options -> Recovery Shell
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4. Mount SD card
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5. Insert chosen GPG Smartcard device
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6. Sign target iso ```gpg --armor --detach-sign airgap*.iso```
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7. Reboot
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## Usage ##
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