cerc-io/solidity
10
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Explain high s value

Browse Source
This commit is contained in:
Chris Ward 2019-04-03 12:22:03 +02:00
parent e9ffbefb05
commit f8b126e153
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
docs/units-and-global-variables.rst
View File

@ -186,6 +186,11 @@ Mathematical and Cryptographic Functions
For further details, read `example usage <https://ethereum.stackexchange.com/q/1777/222>`_. For further details, read `example usage <https://ethereum.stackexchange.com/q/1777/222>`_.
.. note::
Since `EIP-2 <http://eips.ethereum.org/EIPS/eip-2#specification>`_, all transaction signatures with an ``s`` value
greater than ``secp256k1n/2`` are considered invalid.
.. warning:: .. warning::
If you use ``ecrecover``, be aware that a valid signature can be turned into a different valid signature without requiring If you use ``ecrecover``, be aware that a valid signature can be turned into a different valid signature without requiring