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diff --git a/pipermail/pycrypto/2014q1/000760.html b/pipermail/pycrypto/2014q1/000760.html new file mode 100644 index 0000000..757da50 --- /dev/null +++ b/pipermail/pycrypto/2014q1/000760.html @@ -0,0 +1,157 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [pycrypto] Unicode? + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:pycrypto%40lists.dlitz.net?Subject=Re%3A%20%5Bpycrypto%5D%20Unicode%3F&In-Reply-To=%3CCAEncD4fpFxt47dGVSLiryL8iPqZSqhJkL0YZHqSDUSML-c%2Be2A%40mail.gmail.com%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="000759.html"> + <LINK REL="Next" HREF="000761.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[pycrypto] Unicode?</H1> + <B>Dave Pawson</B> + <A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=Re%3A%20%5Bpycrypto%5D%20Unicode%3F&In-Reply-To=%3CCAEncD4fpFxt47dGVSLiryL8iPqZSqhJkL0YZHqSDUSML-c%2Be2A%40mail.gmail.com%3E" + TITLE="[pycrypto] Unicode?">dave.pawson at gmail.com + </A><BR> + <I>Mon Feb 3 02:35:03 PST 2014</I> + <P><UL> + <LI>Previous message: <A HREF="000759.html">[pycrypto] Unicode? +</A></li> + <LI>Next message: <A HREF="000761.html">[pycrypto] Unicode? +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#760">[ date ]</a> + <a href="thread.html#760">[ thread ]</a> + <a href="subject.html#760">[ subject ]</a> + <a href="author.html#760">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Now resolved. +Source plain text is created / modified in either DOS or Linux (np to add Mac) + +read using +chunk = unicode(infile.read(chunksize)) +# replace newline as appropriate +chunk=replaceNL(chunk) +# Convert to byte string +chunk=safe_str(chunk) +encrypt and write to disk + + +# for decrypt +#Iterate over file to read into string +# replace the individual bytes of the Unicode character (u2022 in my case) +# with \n for the local machine +retval = replaceBullet(retval) + +code below + +# +#Swap \n for \u2022 +# +def replaceNL(str): + # If DOS, replace \r\x0A + # If Unix, replace \n + lineEnd=u'\n' + if string.find(str,'\r\x0a'): + lineEnd=u'\r\x0A' + return string.replace(str,lineEnd,u'\u2022') + +# +# Replace bullet by \n +# +def replaceBullet(bstr): + return string.replace(bstr,u'\\u2022',u'\n') + + + +def safe_str(obj): + """ return the byte string representation of obj """ + try: + return str(obj) + except UnicodeEncodeError: + # obj is unicode + return unicode(obj).encode('unicode_escape') + +HTH others, though it seems messy, it works. + +Dave + + +On 3 February 2014 09:39, Dave Pawson <<A HREF="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">dave.pawson at gmail.com</A>> wrote: +><i> I'm having a problem 'sharing' an encrypted file between +</I>><i> MSDOS and Linux. +</I>><i> +</I>><i> so I thought I'd replace \nl in the plain text with a non ASCII +</I>><i> character prior to encryption. +</I>><i> +</I>><i> encryptor = AES.new(key, AES.MODE_CBC, iv) +</I>><i> outfile.write(encryptor.encrypt(chunk)) +</I>><i> +</I>><i> gives me +</I>><i> +</I>><i> File "/usr/lib64/python2.7/site-packages/Crypto/Cipher/blockalgo.py", +</I>><i> line 244, in encrypt +</I>><i> return self._cipher.encrypt(plaintext) +</I>><i> UnicodeEncodeError: 'ascii' codec can't encode character u'\u2022' in +</I>><i> position 34: ordinal not in range(128) +</I>><i> +</I>><i> +</I>><i> It would seem I can't use non-ASCII characters, at least with AES, is +</I>><i> this right ? +</I>><i> +</I>><i> If not, how to address it please? +</I>><i> +</I>><i> +</I>><i> regards +</I>><i> +</I>><i> +</I>><i> -- +</I>><i> Dave Pawson +</I>><i> XSLT XSL-FO FAQ. +</I>><i> Docbook FAQ. +</I>><i> <A HREF="http://www.dpawson.co.uk">http://www.dpawson.co.uk</A> +</I> + + +-- +Dave Pawson +XSLT XSL-FO FAQ. +Docbook FAQ. +<A HREF="http://www.dpawson.co.uk">http://www.dpawson.co.uk</A> +</PRE> + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000759.html">[pycrypto] Unicode? +</A></li> + <LI>Next message: <A HREF="000761.html">[pycrypto] Unicode? +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#760">[ date ]</a> + <a href="thread.html#760">[ thread ]</a> + <a href="subject.html#760">[ subject ]</a> + <a href="author.html#760">[ 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> |