Message digest calculation different to openssl

[mariusheine]

I try to calculate sha256 message digests for arbitrary files with the crypto.MessageDigest class.

The calculated digest should be equal to the outcome of openssl dgst -sha256 [file].

However this seems not to be the case.

Here is a reproduction repo: https://github.com/mariusheine/repro-jsrsasign-digest

I ran it with in a following environment: node -v v16.18.0 npm -v 8.19.2

To directly start using it you can simply open it via gitpod via https://gitpod.io/#https://github.com/mariusheine/repro-jsrsasign-digest

Thx in advance for your great library and hopefully you cna help me somehow.

[kjur]

Hi @mariusheine , I'll check it.

[kjur]

As for binary data, please use updateHex like this:

    const filepath = `${__dirname}/files/${filename}`;

    const messageDigest = new jsrsasign.KJUR.crypto.MessageDigest({
        alg: 'sha256',
        prov: 'cryptojs',
    });

    const dataHex = jsrsasign.rstrtohex(fs.readFileSync(filepath, 'binary'));
    messageDigest.updateHex(dataHex);
    const digest = messageDigest.digest();

[mariusheine]

@kjur Awesome thx a lot for your quick help.