Seed Tool application for Ledger - Release 1.6.1

Change log

[1.6.1] - 2024-01-27

Added

• Added a Release Policy document

Changed

• Updated version of cmocka used for unit tests
• Updated version of github actions used
• Assert HMAC return values

Fixed

• Fixed failing Ledger rule enforcer check
• Use cx_crc32_hw()
  • Ledger have fixed their buggy implementation of so we can start using it again

[1.6.0] - 2024-01-14

Added

• Use CX_CHECK macro in compare_recovery_phrase()
• Added a cx_crc32() function
  • The implementation of cx_crc32_hw() on Ledger devices is buggy and produces incorrect CRC32 checks. Ledger are fixing cx_crc32_hw() on each device either through SDK or OS updates but until then cx_crc32() can be used.

Changed

Fixed

[1.5.4] - 2023-11-30

Added

• Added mandatory Ledger embedded application manifest file

Changed

• Combined BIP39 wordlist and SSKR wordlist unit tests

Fixed

[1.5.3] - 2023-11-18

Added

• Added unit tests for BIP39
• Added unit tests for BIP39 word list and SSKR word list

Changed

Fixed

• Fixed CodeQL warnings about sign check of a bitwise operation
• Fixed issue with restarting input from a previous word on Nano S

[1.5.2] - 2023-11-15

Added

Changed

• Save memory by setting the SSKR word buffer to a sensible size
  • There is just enough memory available on Nano S to hold the phrases for 10 shares. Other devices can hold the full 16 shares.
• Tidied up code that sets 'Processing' screen on Nano S devices
• Changed all Variable Length Arrays to a defined length

Fixed

• Fix freezing at 'Processing' screen on Nano S devices

[1.5.1] - 2023-11-09

Added

• Added unit tests for shamir
• Added unit tests for SSKR
• Added unit tests for BIP39 <-> SSKR roundtrip

Changed

• Reduce size of Nano binaries slightly by removing duplicate flows
• Make generic SSKR functionality more Ledger specific

Fixed

[1.5.0] - 2023-10-20

Added

• Added option to generate BIP39 mnemonics from SSKR shares even if shares do not validate against seed on device
  • A user may have lost or damaged original device and now needs to generate the recovery phrase from another secure device

Changed

Fixed

• Fixed build warning about UNUSED macro

[1.4.1] - 2023-10-13

Added

• Clear buffers before exiting

Changed

Fixed

[1.4.0] - 2023-05-14

Added

• Added BIP39 Check for Ledger Stax

Changed

Fixed

• Fixed warnings about deprecated functions during build

[1.3.2] - 2023-05-08

Added

• Added some Ledger specific preprocessor conditionals to bc-sskr and bc-shamir

Changed

• Changed memset(x, 0, y) to memzero(x, y) macro

Fixed

[1.3.1] - 2023-05-03

Added

Changed

Fixed

• Fixed static analyzer warning about zero-length array
• Fixed CodeQL warnings about comparison of narrow type with wide type in loop condition

[1.3.0] - 2023-04-27

Added

Changed

• Removed duplicated nano code
• Simplified flow code

Fixed

[1.2.0] - 2023-04-21

Added

• Added automated tests
• Added flow to set SSKR threshold values

Changed

Fixed

[1.1.1] - 2023-04-06

Added

Changed

Fixed

• Fix issue with using 'cx_crc32_hw()' function in 'onboarding_seed_sskr.c' when testing with Speculos
• Some CodeQL suggested tidy ups

[1.1.0] - 2023-04-04

Added

• Generate BIP39 mnemonic phrases from SSKR shares
  • Add 'SSKR Check' menu option
  • Add flow to the 'SSKR Check' menu
  • Write SSKR to BIP39 functionality
  • Test with 29-word SSKR shares
  • Test with 46-word SSKR shares
  • Test on nanos
  • Test on nanosp
  • Test on nanox

Changed

Fixed

[1.0.1] - 2023-03-21

Added

• Clone app-recovery-check and rename to app-sskr-check
• Add SSKR (bc-sskr and bc-shamir) to app-sskr-check
• Generate SSKR shares from BIP39 mnemonic phrase
  • Write BIP39 to SSKR functionality
  • Add SSKR flow to the Check BIP39 menu
  • Test with 12-word BIP39 phrases
  • Test with 18-word BIP39 phrases
  • Test with 24-word BIP39 phrases
  • Test on nanos
  • Test on nanosp
  • Test on nanox

Changed

Fixed