d-bis/app-ethereum
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Updated EIP-712 filtering APDU doc to include the chain ID in the sig

Browse Source
This commit is contained in:
Alexandre Paillier
2022-06-24 18:18:09 +02:00
parent ca37612f61
commit 9884fadefc
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
doc/ethapp.adoc
View File

@@ -804,10 +804,11 @@ If activated, fields will be by default hidden unless they receive a field name
Name substitution commands should come right after the contract address from the domain has been sent with a *SEND STRUCT IMPLEMENTATION*.
Perfect moment to do it is when the domain implementation has been sent, just before sending the message implementation.
The chain ID used for the signature must be 8 bytes wide.
The signature is computed on :
contract address || display name length || display name
chain ID (BE) || contract address || display name length || display name
##### Field name substitution
@@ -816,7 +817,7 @@ Name substitution commands should come before the corresponding *SEND STRUCT IMP
The signature is computed on :
contract address || json key length || json key || display name length || display name
chain ID (BE) || contract address || json key length || json key || display name length || display name
#### Coding