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diff --git a/pipermail/pycrypto/2013q2/000668.html b/pipermail/pycrypto/2013q2/000668.html new file mode 100644 index 0000000..aa60cfd --- /dev/null +++ b/pipermail/pycrypto/2013q2/000668.html @@ -0,0 +1,96 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [pycrypto] Python 3 regression + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:pycrypto%40lists.dlitz.net?Subject=Re%3A%20%5Bpycrypto%5D%20Python%203%20regression&In-Reply-To=%3C51BAF717.6060704%40borgstrom.se%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <style type="text/css"> + pre { + white-space: pre-wrap; /* css-2.1, curent FF, Opera, Safari */ + } + </style> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="000667.html"> + <LINK REL="Next" HREF="000669.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[pycrypto] Python 3 regression</H1> + <B>Jonas Borgström</B> + <A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=Re%3A%20%5Bpycrypto%5D%20Python%203%20regression&In-Reply-To=%3C51BAF717.6060704%40borgstrom.se%3E" + TITLE="[pycrypto] Python 3 regression">jonas at borgstrom.se + </A><BR> + <I>Fri Jun 14 03:57:27 PDT 2013</I> + <P><UL> + <LI>Previous message: <A HREF="000667.html">[pycrypto] RFC-2898 Padding +</A></li> + <LI>Next message: <A HREF="000669.html">[pycrypto] RSA exportKey question +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#668">[ date ]</a> + <a href="thread.html#668">[ thread ]</a> + <a href="subject.html#668">[ subject ]</a> + <a href="author.html#668">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Hi, + +While porting an application to Python 3 I noticed that PyCrypto no +longer supports operations on buffer/memoryview-like objects. + +With Python 2 you could do the following: + +AES.new(...).decrypt(buffer(a_large_buffer, 32)) + +To efficiently decrypt a large buffer containing a few header bytes at +the beginning without having to do an expensive string slice/copy. + +The buffer() object is not available in Python 3 and has been replaced +by memoryview() which has also been backported to python 2.7. + +So the Python 2.7+ version of the above is: + +AES.new(...).decrypt(memoryview(a_large_buffer)[32:]) + +I implemented memoryview support and sent a github pull request [1] two +weeks ago but I haven't received any feedback yet. +Is there anything I can do to help with the review process? + +1. <A HREF="https://github.com/dlitz/pycrypto/pull/47">https://github.com/dlitz/pycrypto/pull/47</A> + +Cheers, +Jonas + +-------------- next part -------------- +A non-text attachment was scrubbed... +Name: signature.asc +Type: application/pgp-signature +Size: 482 bytes +Desc: OpenPGP digital signature +URL: <<A HREF="http://lists.dlitz.net/pipermail/pycrypto/attachments/20130614/9f1a1e20/attachment.sig">http://lists.dlitz.net/pipermail/pycrypto/attachments/20130614/9f1a1e20/attachment.sig</A>> +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000667.html">[pycrypto] RFC-2898 Padding +</A></li> + <LI>Next message: <A HREF="000669.html">[pycrypto] RSA exportKey question +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#668">[ date ]</a> + <a href="thread.html#668">[ thread ]</a> + <a href="subject.html#668">[ subject ]</a> + <a href="author.html#668">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">More information about the pycrypto +mailing list</a><br> +</body></html> |