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diff --git a/pipermail/pycrypto/2009q4/000173.html b/pipermail/pycrypto/2009q4/000173.html new file mode 100644 index 0000000..ba0cbe6 --- /dev/null +++ b/pipermail/pycrypto/2009q4/000173.html @@ -0,0 +1,83 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [pycrypto] [problem]There's difference between pycrypto to crypt a string and cryptoPP to crypt a string with AES by CFB mode. + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20%5Bproblem%5DThere%27s%20difference%20between%20pycrypto%0A%09to%09crypt%20a%20string%20and%20cryptoPP%20to%20crypt%20a%20string%20with%20AES%20by%0A%09CFB%20mode.&In-Reply-To=fca484050912272219y55b9bb0eyab0e089f7f0101a9%40mail.gmail.com"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="000172.html"> + <LINK REL="Next" HREF="000177.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[pycrypto] [problem]There's difference between pycrypto to crypt a string and cryptoPP to crypt a string with AES by CFB mode.</H1> + <B>Dwayne C. Litzenberger</B> + <A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20%5Bproblem%5DThere%27s%20difference%20between%20pycrypto%0A%09to%09crypt%20a%20string%20and%20cryptoPP%20to%20crypt%20a%20string%20with%20AES%20by%0A%09CFB%20mode.&In-Reply-To=fca484050912272219y55b9bb0eyab0e089f7f0101a9%40mail.gmail.com" + TITLE="[pycrypto] [problem]There's difference between pycrypto to crypt a string and cryptoPP to crypt a string with AES by CFB mode.">dlitz at dlitz.net + </A><BR> + <I>Mon Dec 28 02:32:23 CST 2009</I> + <P><UL> + <LI>Previous message: <A HREF="000172.html">[pycrypto] [problem]There's difference between pycrypto to crypt a string and cryptoPP to crypt a string with AES by CFB mode. +</A></li> + <LI>Next message: <A HREF="000177.html">[pycrypto] [problem]There's difference between pycrypto to crypt a string and cryptoPP to crypt a string with AES by CFB mode. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#173">[ date ]</a> + <a href="thread.html#173">[ thread ]</a> + <a href="subject.html#173">[ subject ]</a> + <a href="author.html#173">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>On Mon, Dec 28, 2009 at 02:19:06PM +0800, ten speme wrote: +><i>I using cryptoPP to crypt a string with key:"aaaaaaaaaaaaaaa" +</I>><i>,iv:"bbbbbbbbbbbbbbbb",data"abcdefghijklmnopqrstuvwxyz", and its encrypted +</I>><i>string is [hex]"9FE673D419DD3256B6A206FE7004660F11BAFCE5B2106E2BA39A" +</I> +Please be careful when posting troubleshooting requests. "aaaaaaaaaaaaaaa" +is 15 bytes long, so it's impossible as an AES key. Can you post example +code that builds against cryptoPP (or uses pycryptopp) and produces this +result? + +><i>by pycrypto , I also using the same key, vi, and data. but get difference +</I>><i>result:[hex]"78bf5fc7d6a87dd6533d028725cb206cf54dbca6e5ea9a852885". +</I>><i> +</I>><i>All these using AES with CFB mode. +</I> +Which CFB mode are you talking about? CFB is a family of modes. You can +have e.g. 1-bit CFB, 8-bit CFB, 64-bit CFB, 128-bit CFB, etc. PyCrypto +defaults to 8-bit CFB, I believe, but will accept any multiple of 8 bits. +(It's set by the segment_size keyword argument to AES.new.) + +-- +Dwayne C. Litzenberger <<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">dlitz at dlitz.net</A>> + Key-signing key - 19E1 1FE8 B3CF F273 ED17 4A24 928C EC13 39C2 5CF7 + Annual key (2009) - C805 1746 397B 0202 2758 2821 58E0 894B 81D2 582E +</PRE> + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000172.html">[pycrypto] [problem]There's difference between pycrypto to crypt a string and cryptoPP to crypt a string with AES by CFB mode. +</A></li> + <LI>Next message: <A HREF="000177.html">[pycrypto] [problem]There's difference between pycrypto to crypt a string and cryptoPP to crypt a string with AES by CFB mode. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#173">[ date ]</a> + <a href="thread.html#173">[ thread ]</a> + <a href="subject.html#173">[ subject ]</a> + <a href="author.html#173">[ 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> |