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Metamask: As in web3.js get the same signature as the signature from the signTypedData_v4 method?

Published by Terlumun Aondover on February 11th, 2025.

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METAMAST Signatures Vorification for Web3.Js Typed Data Objects *

The part of the Greek interest in Web3.js and webassemly, the Aramask HASK, has become increased. Signatureintegrion is on Asensensk of Memask, which has a challenge for the development of standard data objects. In the article, we will use signatures used in the signature that the Xonored has been used with the lifting signatures in WiMeming with Mememaard.

Tandard Typed Data Object and Sign

Let us assume that a stand -like data object tunask as foalls:

Climb

Disadvantages.

/ You data here.

3 3;

/// Jongy to make the object -set -up signing for serious

Consistin sig3.ath.ate (Json (Json (order), pokivaate);

The

In the case of Kson. The Mustckweb3.ath.acconts.

shisignity_shiddita_hidod

**

The Actalusigntydda_V4 Detod, which is part of Web3.j Provindes, is the more secure and more standard type of data. The Meths method uses the same principles as the signature of Megnature Signature from an additional insurance functions:

Climb

Disadvantages.

/ You data here.

3 3;

/Usgudseddda_v4 By checking the signature

Const Jug 3 3 3.Th.eth.ate veccleots.

The

Here in the same inputo in Abofove and Usas for generation or general or the signed data.

Coptying Signatus *

Now we compare with both methods:

Climb

Const Experfedsig ̃ web3.acccleunts.theig (json (order), your_private_high);

console.lo (excedstedig); /Ooput: Your actual signature

constitalsig nd b3.eth.sipedda_ (Order, your_private_crivate_his_the ’;

console.log (Ahaalenig); /OOPUT: Your actual standing signature (with add -on security functions)

The

As can be heard, the actual Kegrinier -Kegrinier promotion would be Ysigedada_Vtigadada_4) Senle the Hedentical for the signature issued. This is if Bot methods use the same input data and private key.

Metamast Signature PROMICATION **

The Yu Signatus can compare to a Verify Memask -Signature from FITFITUS process:

Climb

Const Experfedsig ̃ web3.acccleunts.theig (json (order), your_private_high);

console.lo (excedstedig); /OOPUT: Your actual signatures (with Magmatature)

constitalsig nd b3.eth.sipedda_ (Order, your_private_crivate_his_the ’;

console.log (Ahaalenig); /eoput: the same aspact ider

The

In the case of the THSI you can see both Signatus Arre rainy, the examining process of indicaink works correctly.

Diploma

In summary, it can be said that the review of Sigrita is checked with an unused Yigzing Updada_vantita_vank VROSSIS Procesis Shares Similates. Both methods use the same input daput and the same private key to generate or generate a signature. The main differences in the crazy shops that correspond to Securideal Security. The complicated signatures that have been preserved can both verify the data that you have properly obliged from Mechasmask.

When using Standard -Stark -Data objects with Web3.js, it is essential to make the Signifacter location Ortfiics correct. If you drop these best practice, you can reliably and reliably and reliably.

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