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diff --git a/pipermail/pycrypto/2011q4/000522.html b/pipermail/pycrypto/2011q4/000522.html new file mode 100644 index 0000000..8164782 --- /dev/null +++ b/pipermail/pycrypto/2011q4/000522.html @@ -0,0 +1,68 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [pycrypto] Using Counter for true 64-bit decryption + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20Using%20Counter%20for%20true%2064-bit%20decryption&In-Reply-To="> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="000521.html"> + <LINK REL="Next" HREF="000523.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[pycrypto] Using Counter for true 64-bit decryption</H1> + <B>Lance Ware</B> + <A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20Using%20Counter%20for%20true%2064-bit%20decryption&In-Reply-To=" + TITLE="[pycrypto] Using Counter for true 64-bit decryption">lware2002 at hotmail.com + </A><BR> + <I>Tue Dec 13 13:38:12 CST 2011</I> + <P><UL> + <LI>Previous message: <A HREF="000521.html">[pycrypto] reg current work in pycrypto +</A></li> + <LI>Next message: <A HREF="000523.html">[pycrypto] import/export for DSA keys +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#522">[ date ]</a> + <a href="thread.html#522">[ thread ]</a> + <a href="subject.html#522">[ subject ]</a> + <a href="author.html#522">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE> +Hello, + +I am trying to use pycrypto to decrypt a file using AES in CTR mode. Currently I have a file with a counter value store in the first 16 bytes of the file. I see in most of the examples the first 8 bytes are stored in the counter value as part of a prefix with the last section starting with zero and incrementing up. My question is that if I want to have a truly random counter value. Do I need to create my own count class to handle the increment or can i use Crypto.Util.counter class. + +I am trying to use the Crypto.Util.counter class but i keep getting errors on CTR: counter returned not 16 bytes. + +Thanks, + +-------------- next part -------------- +An HTML attachment was scrubbed... +URL: <A HREF="http://lists.dlitz.net/pipermail/pycrypto/attachments/20111213/4ab0a21d/attachment.html">http://lists.dlitz.net/pipermail/pycrypto/attachments/20111213/4ab0a21d/attachment.html</A> +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000521.html">[pycrypto] reg current work in pycrypto +</A></li> + <LI>Next message: <A HREF="000523.html">[pycrypto] import/export for DSA keys +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#522">[ date ]</a> + <a href="thread.html#522">[ thread ]</a> + <a href="subject.html#522">[ subject ]</a> + <a href="author.html#522">[ 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> |