<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Hi Louis,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">The dev-tech-crypto mailing list I'm redirecting this to should be able to get you an answer.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Thanks,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">MattN<br></div></div><div dir="ltr"><div dir="ltr"><div style="font-family:arial,helvetica,sans-serif"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Mar 27, 2020 at 8:51 AM Louis Abraham <<a href="mailto:louis.abraham@yahoo.fr" target="_blank">louis.abraham@yahoo.fr</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hi,</div><div><br></div><div>I'm the main developer of <a href="https://github.com/louisabraham/ffpass" target="_blank">https://github.com/louisabraham/ffpass</a></div><div>We are currently trying to accommodate the (not so) recent cryptographic changes in key4.db.</div><div><br></div><div>If I understand correctly, key4.db contains a table metadata. The value item2 defines a cryptographic algorithm in the DER format.</div><div><br></div><div>In the latest version of Firefox, this algorithm is PBES2, using aes256-CBC as the encryption algorithm.</div><div><br></div><div>I'm facing a little problem when trying to execute aes256-CBC because the IV size is only 14 bytes (56 bits) instead of the 64 bits defined in the spec.</div><div><br></div><div>Could you please help me to understand?</div><div><br></div><div>Best,</div><div>Louis<br></div></div>
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