> For the complete Linea documentation index, see [llms.txt](/llms.txt). > Agents can fetch this page as Markdown at [https://docs.linea.build/api/linea-smart-contracts/lib/mimc.md](https://docs.linea.build/api/linea-smart-contracts/lib/mimc.md). # Mimc # `Mimc` ### DataMissing ```solidity error DataMissing() ``` Thrown when the data is not provided ### DataIsNotMod32 ```solidity error DataIsNotMod32() ``` Thrown when the data is not purely in 32 byte chunks ### FR_FIELD ```solidity uint256 FR_FIELD ``` ### hash ```solidity function hash(bytes _msg) external pure returns (bytes32 mimcHash) ``` Performs a MiMC hash on the data provided _Only data that has length modulus 32 is hashed, reverts otherwise_ #### Parameters | Name | Type | Description | | --- | --- | --- | | _msg | bytes | The data to be hashed | #### Return Values | Name | Type | Description | | --- | --- | --- | | mimcHash | bytes32 | The computed MiMC hash | Contributions not accepted These reference pages are automatically generated based on Linea's [smart contracts](https://github.com/Consensys/linea-monorepo/tree/main/contracts/src). To ensure they accurately match the deployed smart contracts, we cannot accept any contributions that edit these pages.