Tag: sha3

77 Which cryptographic hash function does Ethereum use? 2016-01-24T08:32:14.427

20 How does Solidity's sha3 / keccak256 hash uints? 2016-04-04T01:53:13.167

20 What is the cheapest hash function available in solidity? 2016-04-19T16:17:18.533

16 Why aren't Solidity sha3 hashes not matching what other sha3 libraries produce? 2016-01-24T10:34:38.360

9 Are there any plans to switch Ethereum's primary hash algorithm from Keccak-256 to SHA3? 2016-01-24T09:41:22.030

8 How to install and test Viper programming language? 2016-11-12T16:34:39.617

7 Calculating difficulty and verifying a hash as a solution 2016-05-11T02:12:39.320

7 How to keccak256 multiple types in web3js to match Solidity keccak256? 2017-11-06T18:55:23.103

5 How to interact with the blinded auction contract from web3.js 2016-02-04T08:00:30.647

5 Is it possible to verify Ethash PoW in a contract? 2016-03-26T20:20:42.313

5 Python and Solidity keccak256 function gives different results 2017-11-16T15:40:54.980

4 Hash Test: How to produce hash output 2016-03-11T17:02:00.363

4 XOR bytes32 (from web3.sha3) in Javascript 2016-05-21T00:00:26.313

4 keccak256 Error Undeclared identifier in browser-solidity 2016-10-24T17:47:53.310

4 What is the bkp component in a presale JSON file? 2016-11-22T13:41:36.307

4 Keccak256(parameter) How to pass a string to be hashed? 2017-01-09T16:27:17.337

4 Getting Method ID "Keccak hash" in Python 2017-01-25T02:17:33.413

4 How does keccak256 concatenate values inside a Solidity smart contract? 2017-03-30T13:39:42.403

3 Ecrecover after eth_sign update with preamble 2017-04-03T14:14:58.667

3 how to create a nested for loop that stores the hashed value for each 2017-04-11T20:12:42.590

3 Price of storing a hash SHA3 in Ethereum and Bitcoin 2017-05-16T14:47:23.433

3 I need help with signatures 2017-07-07T20:06:07.413

2 Blind Auction: Reveal>>>How to successfully fill data fields 2016-03-06T04:04:31.273

2 How to compute SHA-3 of an array of numbers in Javascript? 2016-07-04T20:07:43.143

2 How to use keccak256 in Solidity? 2016-11-15T05:11:13.047

2 Where can I see the output of Solidity's sha3 function? 2016-11-15T07:22:30.500

2 Revealing played value 2017-03-22T19:45:38.713

2 WEB3.SHA3 JSON CURL 2017-08-04T03:59:19.943

2 On Ubuntu, I can't build sha3sum 2017-08-10T11:51:33.203

2 Fair, barely malleable CSPRNG that can still be deterministic? 2017-11-25T18:27:31.450

2 Comparing solidity sha3 with web3 sha3 inside smart-contract 2018-07-21T13:13:51.570

1 What do the parameter in sha3() in Proof of Work implementation of Etherium mean 2016-07-19T09:37:21.063

1 How to compare hash of two structures? 2017-02-28T17:02:49.753

1 How to generate consistent hash value with Solidity within Truffle? 2017-07-29T07:04:49.413

1 Can't understand hashing mechanism for mappings 2017-09-27T23:38:06.493

1 How can I generate a wallet in python? 2017-12-09T17:24:55.373

1 What should I do to get the same output using `sha3` by providing multiple input on nodejs? 2017-12-26T15:03:35.817

1 What the sha3 function do with 2 parameters? 2018-04-16T09:40:08.400

1 does keccak256 and sha3 reproduce the same hash ? 2018-05-18T11:31:33.720

1 How to derive the storage key of mapping to an account? 2018-05-29T13:36:38.680

1 From golang sha3 to solidity sha3 2018-06-19T11:43:53.373

1 Does web3 soliditySha3 work with json object? 2018-11-14T23:44:39.277

0 General question: Reasons to use sha3 (or any hash) in contracts? 2017-10-05T13:22:07.227

0 delegateContract address getting reset on delegatecall using geth console 2017-10-05T16:26:17.160

0 Concatenation of different datatypes and hashing it 2017-11-25T15:15:53.357

0 Correctly address Smart Contract storage address using web3js 1.0.0 library functions 2017-12-03T17:30:49.007

0 Need to make a sha256 hash from two addresses 2017-12-17T09:37:15.843

0 How to get the same output using `sha3` by providing same address as input on nodejs? 2017-12-26T14:03:20.367

0 Keccak hash of null values, result in different hashes for different types 2018-01-04T12:33:46.437

0 How to generate keccak256(STRING,INTEGER) from Javascript? 2018-02-07T12:17:06.890

0 Problem with sha3.keccak_256() update method in Python 2018-02-11T13:56:47.630

0 Web3 behaves different on the client and server with different providers 2018-03-02T16:15:54.573

0 Smartpools' sha3_512, is there a stand alone implementation? 2018-03-05T17:39:19.617

0 SHA3_512 library, convert the input and output to 512-bit bytes 2018-03-09T02:24:07.063

0 Getting hash of a file 2018-03-14T07:58:56.987

0 What are sha3Uncles and why are they mostly same for all blocks 2018-04-13T06:25:34.160

0 key rocever from MEW locally thanks to a combo of addresses and signed transaction? 2018-05-22T07:15:46.370

0 What is the equivalent of solidity to perform ethereumjs-abi.soliditySHA3? 2018-05-25T06:11:13.203

0 What happens when a contract has overlapping function selectors? 2018-06-13T10:12:28.677

-1 sha512 in Solidity or assembly, does it exist? 2018-03-05T14:34:45.823

-2 Why does keccak256() return bytes32 instead of uint256 in Solidity? 2018-06-28T09:16:45.740