<div id="compose" contenteditable="true" style="padding-left: 16px; padding-right: 16px; padding-bottom: 8px;"><div>You say your data is:</div><div><br></div><div><<IvSpec>> == <<RandomIv>></div><div><br></div><div>But you read:</div><div><br></div><div>Is your data <<IvSpec:8/binary, IV:8/binary, Rest/binary>></div><div><br></div><div>Should it not be just:</div><div><br></div><div><<IV:8/binary, Rest/binary>></div><div><br></div><div>?<br><br><div class="acompli_signature">Sent from <a href="http://aka.ms/Ox5hz3">Outlook</a></div><br></div></div>
<div class="gmail_quote">_____________________________<br>From: Bogdan Andu <<a dir="ltr" href="mailto:bog495@gmail.com" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="0">bog495@gmail.com</a>><br>Sent: Thursday, November 5, 2015 2:26 p.m.<br>Subject: [erlang-questions] blowfish cbc mode decrypt<br>To: Erlang <<a dir="ltr" href="mailto:erlang-questions@erlang.org" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="2">erlang-questions@erlang.org</a>><br><br><br> <div dir="ltr"> <div> <div> <div> <div> <div> <div> <div> <div> <div> Hi, <br> <br> </div>I have a stream of data called EncryptedData (with randomiv header specification). <br>I want to decrypt using: <br>crypto:block_decrypt(blowfish_cbc, hexstr2bin(Key), IV, Rest). <br> <br> </div> <div> where: <br> </div> <div> <br>EncryptedData is formatted as follows: <br> </div><<IvSpec:8/binary, IV:8/binary, Rest/binary>> <br> <br> </div>IvSpec == <<"RandomIV">> <br> <br> </div>However the decryption does not works and garbage is generated <br> </div> <div> (the function ) . <br> </div> <div> <br> </div>What could be done given the fact that IV is an 8-byte quantity <br> </div>the Key is formatted according to crypto test suites and is 16 bytes long <br> <br> </div>Am I missing something? <br> <br> </div>Thanks, <br> <br> </div>Bogdan <br> </div> <br><br></div>