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Satochip v0.10-0.4 with Ethereum support
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@Toporin Toporin released this 16 Jun 10:35
v0.10-0.4
07c0038

Satochip-applet v0.10-0.4: javacard applet for the Satochip hw wallet (to be used with the electrum-satochip or MyCrypto-Satochip gui wallet application). If 2-Factor-Authentication (2FA) is enabled, the Satochip-2FA app should be installed from the Android App Store.

Compared to v0.9, this version supports signing custom tx hash directly, e.g. for Ethereum tx (since it uses SHA3 hash which is not supported natively by javacards). Compared to v0.10-0.1, the code has been optimized to support native SHA512 and EC pubkey recovery (ALG_EC_SVDP_DH_PLAIN_XY). The code has also been cleaned with old java code for SHA512 and legacy pubkey recovery (ALG_EC_SVDP_DH_PLAIN) removed. Consequently, ONLY CARDS with MessageDigest.ALG_SHA_512 and ALG_EC_SVDP_DH_PLAIN_XY are supported!

Note for developers:

  • It is recommended to test the software on the Bitcoin/Ethereum testnet (e.g. using electrum.exe -v --testnet).
  • Regarding hardware support: only cards with MessageDigest.ALG_SHA_512 and ALG_EC_SVDP_DH_PLAIN_XY are supported!

This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.

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