riordant
/ ModExp.sol
Last active
November 15, 2018 13:24
— forked from lionello/ModExp.sol
Solidity wrapper for Ethereum Byzantium's BigInt `modexp` built-in contract 0x5
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| // Wrapper for built-in BigNumber_modexp (contract 0x5) as described here. https://github.com/ethereum/EIPs/pull/198 | |
| function modexp(bytes memory _base, bytes memory _exp, bytes memory _mod) internal view returns(bytes memory ret) { | |
| assembly { | |
| let bl := mload(_base) | |
| let el := mload(_exp) | |
| let ml := mload(_mod) | |