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<h2><span class="refentrytitle">Changes from 2.4 to 2.6</span></h2>
<p>Changes from 2.4 to 2.6 — Changes made between version 2.4 and version 2.6</p>
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<a name="idp5123568"></a><h2>Changes from 2.4 to 2.6</h2>
<p>After releasing GMime 2.4, it was discovered that
g_mime_stream_length() still returned ssize_t which, on 32bit systems,
meant that the function was useless if the actual stream was larger
than 2GB (which could happen if GMime was built with large file
support).</p>
<p>As I fixed this, I also found some API inconsistencies which I felt I
might as well fix up since I had to break API/ABI compatibility with
2.4 anyway.</p>
<p>Most notable in GMime 2.6 is the lack of GMimeSession which has been
dropped in favor of a much simpler callback
mechanism. GMimeCipherContexts constructors now take a
password_request callback function rather than forcing you to subclass
GMimeSession to get this functionality.</p>
<p>Other API changes include:</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem"><p>GMimeBestEncoding has been renamed to
GMimeEncodingConstraint</p></li>
<li class="listitem"><p>GMimeSignatureValidity has been dropped in favor
of GMimeSignatureList which is simply a collection of
signatures.
</p></li>
<li class="listitem"><p>GMimeSigner has been replaced by GMimeSignature
and GMimeCertificate which added a number of new fields and
accessors making it much more complete.
</p></li>
<li class="listitem"><p>GMimeCipherContext has been renamed to
GMimeCryptoContext and the method names for this class have also
been renamed in a similar fashion.
</p></li>
<li class="listitem"><p><code class="function">g_mime_crypto_context_encrypt()</code>
now takes a digest algorithm argument which is used when the
'sign' argument is TRUE.
</p></li>
<li class="listitem"><p><code class="function">g_mime_multipart_encrypted_encrypt()</code>
also now takes a digest algorithm argument which it passes along
to <code class="function">g_mime_crypto_context_encrypt()</code>.
</p></li>
<li class="listitem"><p><code class="function">g_mime_crypto_context_decrypt()</code>
now returns a GMimeDecryptResult which contains a list of
signatures (if signed), a list of recipients that the stream had
been encrypted to, and also the cipher and digest algorithms
used.
</p></li>
<li class="listitem"><p><code class="function">g_mime_multipart_encrypted_decrypt()</code>
no longer caches the decrypted part and also now takes a
GMimeSignatureList** output argument which it sets in place of
having to call
<code class="function">g_mime_multipart_encrypted_get_signature_validity()</code>
afterward.
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