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diff --git a/pipermail/pycrypto/2010q2/000224.html b/pipermail/pycrypto/2010q2/000224.html new file mode 100644 index 0000000..ba8acdf --- /dev/null +++ b/pipermail/pycrypto/2010q2/000224.html @@ -0,0 +1,105 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [pycrypto] Pycrypto question. + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20Pycrypto%20question.&In-Reply-To=4BDDDCF4.6010602%40amberfisharts.com"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="000223.html"> + <LINK REL="Next" HREF="000225.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[pycrypto] Pycrypto question.</H1> + <B>Glenn Linderman</B> + <A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=%5Bpycrypto%5D%20Pycrypto%20question.&In-Reply-To=4BDDDCF4.6010602%40amberfisharts.com" + TITLE="[pycrypto] Pycrypto question.">v+python at g.nevcal.com + </A><BR> + <I>Sun May 2 14:36:57 CST 2010</I> + <P><UL> + <LI>Previous message: <A HREF="000223.html">[pycrypto] Pycrypto question. +</A></li> + <LI>Next message: <A HREF="000225.html">[pycrypto] Pycrypto question. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#224">[ date ]</a> + <a href="thread.html#224">[ thread ]</a> + <a href="subject.html#224">[ subject ]</a> + <a href="author.html#224">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>On 5/2/2010 1:13 PM, Lorenz Quack wrote: +><i> Hi Jd, +</I>><i> +</I>><i> On 05/02/2010 10:02 PM, jd wrote: +</I>><i> +</I>>><i> Hi everyone, +</I>>><i> +</I>>><i> I am trying to implement a simple pub/private key scheme. Want to encrypt bunch of things and decrypt it using public +</I>>><i> key (which will be distributed). +</I>>><i> +</I>><i> You seem to have some misconceptions about how public key cryptography works. +</I>><i> I suggest you (re-)read up on it. Wikipedia will probably cover the basics. +</I>><i> For starters, by definition you use the *public* key for encrypt and the privat one for decryption. +</I>><i> +</I> +Indeed, Wikipedia has an article. And in the first paragraph [1] they +describe one use case for encrypting by public key, and decrypting by +private key, and another use case for encrypting by private key, and +decrypting by public key. It might be appropriate to figure out what +use case the OP has before declaring definitions for a particular use +case. Now as far as what the APIs are called, that might be a different +story :) + +[1] *Public-key cryptography* is a cryptographic +<<A HREF="http://en.wikipedia.org/wiki/Cryptography">http://en.wikipedia.org/wiki/Cryptography</A>> approach which involves the +use of asymmetric key algorithms instead of or in addition to symmetric +key algorithms <<A HREF="http://en.wikipedia.org/wiki/Symmetric_key_algorithm">http://en.wikipedia.org/wiki/Symmetric_key_algorithm</A>>. +Unlike symmetric key algorithms, it does not require a secure +<<A HREF="http://en.wikipedia.org/wiki/Secure_channel">http://en.wikipedia.org/wiki/Secure_channel</A>> initial exchange +<<A HREF="http://en.wikipedia.org/wiki/Key_exchange">http://en.wikipedia.org/wiki/Key_exchange</A>> of one or more secret keys +<<A HREF="http://en.wikipedia.org/wiki/Secret_key">http://en.wikipedia.org/wiki/Secret_key</A>> to both sender and receiver. +The asymmetric key algorithms are used to create a mathematically +related key pair: a secret private key and a published public key. Use +of these keys allows protection of the authenticity +<<A HREF="http://en.wikipedia.org/wiki/Authenticity">http://en.wikipedia.org/wiki/Authenticity</A>> of a message by creating a +digital signature <<A HREF="http://en.wikipedia.org/wiki/Digital_signature">http://en.wikipedia.org/wiki/Digital_signature</A>> of a +message using the private key, which can be verified using the public +key. It also allows protection of the confidentiality +<<A HREF="http://en.wikipedia.org/wiki/Confidentiality">http://en.wikipedia.org/wiki/Confidentiality</A>> and integrity +<<A HREF="http://en.wikipedia.org/wiki/Integrity">http://en.wikipedia.org/wiki/Integrity</A>> of a message, by public key +encryption <<A HREF="http://en.wikipedia.org/wiki/Encryption">http://en.wikipedia.org/wiki/Encryption</A>>, encrypting the +message using the public key, which can only be decrypted using the +private key. +-------------- next part -------------- +An HTML attachment was scrubbed... +URL: <A HREF="http://lists.dlitz.net/pipermail/pycrypto/attachments/20100502/96230787/attachment.html">http://lists.dlitz.net/pipermail/pycrypto/attachments/20100502/96230787/attachment.html</A> +</PRE> + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000223.html">[pycrypto] Pycrypto question. +</A></li> + <LI>Next message: <A HREF="000225.html">[pycrypto] Pycrypto question. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#224">[ date ]</a> + <a href="thread.html#224">[ thread ]</a> + <a href="subject.html#224">[ subject ]</a> + <a href="author.html#224">[ 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> |