ECRecover
SPDX-License-Identifier: MIT Copyright (c) 2016-2019 zOS Global Limited Copyright (c) 2020 CENTRE SECZ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
A library that provides a safe ECDSA recovery function
Functions
recover
Recover signer's address from a signed message
Adapted from: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/65e4ffde586ec89af3b7e9140bdc9235d1254853/contracts/cryptography/ECDSA.sol Modifications: Accept v, r, and s as separate arguments
function recover(bytes32 digest, uint8 v, bytes32 r, bytes32 s) internal pure returns (address);
Parameters
Name | Type | Description |
---|---|---|
digest | bytes32 | Keccak-256 hash digest of the signed message |
v | uint8 | v of the signature |
r | bytes32 | r of the signature |
s | bytes32 | s of the signature |
Returns
Name | Type | Description |
---|---|---|
<none> | address | Signer address |