Re: ENCODE() and DECODE()
-BEGIN PGP SIGNED MESSAGE- Hash: RIPEMD160 Googling for ASP AES I found several promising results. - -- Skype: cannona MSN/Windows Messenger: [EMAIL PROTECTED] (don't send email to the hotmail address.) - - Original Message - From: Neil Tompkins [EMAIL PROTECTED] To: [EMAIL PROTECTED] Cc: mysql@lists.mysql.com Sent: Tuesday, March 13, 2007 3:45 AM Subject: Re: ENCODE() and DECODE() I'm using ASP. Do you know any resources that I could use ? From: Wm Mussatto [EMAIL PROTECTED] To: Neil Tompkins [EMAIL PROTECTED] Subject: Re: ENCODE() and DECODE() Date: Mon, 12 Mar 2007 15:27:26 -0700 (PDT) On Mon, March 12, 2007 15:05, Neil Tompkins said: Do you think these functions would be ideal for my requirements in terms of encrypting credit card numbers when stored in a database ? Actually, no. If you are working a language like perl look at encoding the information and then storing it. I think encode and decode are too weak. in perl I use use Crypt::CBC; and then picked a strong cypher. If you use perl, please go to cpan.org for the details. BTW the reason for using blob type it to avoid truncation. After its encoded removing trailing spaces is a BAD THING. Bill From: Wm Mussatto [EMAIL PROTECTED] To: Neil Tompkins [EMAIL PROTECTED] CC: mysql@lists.mysql.com Subject: Re: ENCODE() and DECODE() Date: Mon, 12 Mar 2007 13:54:41 -0700 (PDT) On Mon, March 12, 2007 13:04, Neil Tompkins said: Sorry Bill, I'm unsure what you mean by bin My error, too early in the morning here 'blob' From: William R. Mussatto [EMAIL PROTECTED] To: mysql@lists.mysql.com Subject: Re: ENCODE() and DECODE() Date: Mon, 12 Mar 2007 10:31:53 -0700 (PDT) On Mon, March 12, 2007 8:04, Neil Tompkins said: I've been researching the best method to store credit card numbers in a database which are saved encrypted. My version of mysql is 3.23 therefore I think the only function I could use is ENCODE() and DECODE(). I've tried these functions and they appear to work as I want. I've a couple of questions though, can I use varchar when saving the data and are these functions suitable for my requirements ? Thanks, Neil use 'Bin' versions of fields since the encoded data may be binary. Bill -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] _ Txt a lot? Get Messenger FREE on your mobile. https://livemessenger.mobile.uk.msn.com/ _ Solve the Conspiracy and win fantastic prizes. http://www.theconspiracygame.co.uk/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED] _ Get Hotmail, News, Sport and Entertainment from MSN on your mobile. http://www.msn.txt4content.com/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.6 (MingW32) - GPGrelay v0.959 Comment: Key available from all major key servers. iD8DBQFF9rLrI7J99hVZuJcRA9CdAKCBhJ+do8Y3ouGozoBYdTnNR/py+QCgvYTs YCKVLb0a7gkZPbNy73WtH2k= =O8xx -END PGP SIGNATURE- -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: MD5()
-BEGIN PGP SIGNED MESSAGE- Hash: RIPEMD160 Before you implement anything, I would do a lot of research about encryption. No offense, but from your question, it is clear that you know next to nothing about encryption. That's fine. A few years ago, I was the exact same way. However, encryption is somewhat complex, so if you're going to do it, you should do it right. In my opinion, poorly implemented encryption can be worse than no encryption at all. You should also think carefully before storing customers credit card numbers. You should seriously consider whether or not it is really necessary to do so. If it is simply for the purpose of rebilling, a lot of credit card processing API's will handle this for you. Finally, what another poster said is right on the money. If you are in a shared hosting environment, do not even think about handling customers credit cards. There are too many ways security can be compromised on such systems. If that is in fact the case, I would suggest you outsource the customer billing. Remember also that security breaches of this type can seriously damage the reputation of any organization. Aaron - -- Skype: cannona MSN/Windows Messenger: [EMAIL PROTECTED] (don't send email to the hotmail address.) - - Original Message - From: Neil Tompkins [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Saturday, March 10, 2007 4:17 AM Subject: MD5() I'm looking to use MD5() to encrypt credit card numbers. How do I unencrypt this when reading the value ? Thanks, Neil _ Get Hotmail, News, Sport and Entertainment from MSN on your mobile. http://www.msn.txt4content.com/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.6 (MingW32) - GPGrelay v0.959 Comment: Key available from all major key servers. iD8DBQFF8tlUI7J99hVZuJcRA+kXAKDEB6EU0QzTrTZu72wPUe+43Pi2TwCeKTFw UDnwBp4Wwt+/n4YAn6SPfl4= =HRjm -END PGP SIGNATURE- -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: [inbox] Re: Breaking Up Tables
It's nothing to do with MySQL. split is a command that you can find under many flavors of Linux, and Linux-like OSes. At the shell prompt, type: man split to see the documentation. However, if you have bzip2 on your system, I would recommend running that first, in order to compress it as much as possible. So, to summarize, this is would I would do: 1. run mysqldump to dump my data and save it to a file, for instance, db.sql 2. type: bzip -9 db.sql This will give you a file named db.sql.bz2 3. If db.sql.bz2 is still too large, I would run split: split bla bla bla (Replace bla bla bla with the options for split. I never use it, so I don't know what they are.) This will give you a few smaller files named db.sql.bz2.1 db.sql.bz2.2 ETC. 4. Transfer these files to my other machine. 5. reassemble the smaller files into one big file: cat db.sql.bz2.1 db.sql.bz2.2 db.sql.bz2.3 db.sql.bz2 \ db.sql.bz2 6. decompress the db.sql.bz2 file bunzip2 db.sql.bz2 7. import db.sql into wherever. Hope this helps. Aaron -- Skype: cannona MSN/Windows Messenger: [EMAIL PROTECTED] (don't send email to the hotmail address.) - Original Message - From: [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Thursday, March 01, 2007 9:15 AM Subject: Re: [inbox] Re: Breaking Up Tables -Original Message- From: [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Thu, 1 Mar 2007 10:35 AM Subject: Re: [inbox] Re: Breaking Up Tables if you have shell access on the server, why not just use split? Create your big dump file, split it into smaller chunks and use cat on the other end to reassemble the pieces. if you don't, just have someone at your host provider who does do it. Sounds perfect! I just spent 10 minutes trying to research splitting in the MySQL Ref. Man. and couldn't find anything. Can you point me, or give me a sample command? Also to re-stitch it together on the other end? TIA, Tony AOL now offers free email to everyone. Find out more about what's free from AOL at AOL.com. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: MySQL Daylight Savings Time Patch
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 If it's any consolation, I got the exact same warnings. However, I don't know if it's normal either. - -- Skype: cannona MSN/Windows Messenger: [EMAIL PROTECTED] (don't send email to the hotmail address.) - - Original Message - From: Jerry Schwartz [EMAIL PROTECTED] To: 'Paul DuBois' [EMAIL PROTECTED]; 'Sun, Jennifer' [EMAIL PROTECTED]; 'Dan Buettner' [EMAIL PROTECTED]; 'Chris White' [EMAIL PROTECTED] Cc: mysql@lists.mysql.com Sent: Wednesday, February 21, 2007 8:45 AM Subject: RE: MySQL Daylight Savings Time Patch I just ran mysql_tzinfo_to_sql on a CentOS (Linux) system, and it complained about the various Riyadh time zones: Warning: Unable to load '/usr/share/zoneinfo/right/Mideast/Riyadh87' as time zone. Skipping it. Warning: Unable to load '/usr/share/zoneinfo/right/Mideast/Riyadh88' as time zone. Skipping it. Warning: Unable to load '/usr/share/zoneinfo/right/Mideast/Riyadh89' as time zone. Skipping it. etc. Any idea whether or not this is normal? Regards, Jerry Schwartz Global Information Incorporated 195 Farmington Ave. Farmington, CT 06032 860.674.8796 / FAX: 860.674.8341 -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.3 (MingW32) - GPGrelay v0.959 Comment: Key available from all major key servers. iD8DBQFF3GZ+I7J99hVZuJcRAvUUAJ4xHKNQtxYBSrpDqadTzPdBx3uQIwCfRZkL uQ5ODv/bD5SN5CW9JpYIlxQ= =z+FD -END PGP SIGNATURE- -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: 5.1.14-beta with ssl build failure
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 It is unfortunate that mysql does not offer a binary version with ssl support for Linux. Does anyone know why? It can't be for export reasons, as they do offer a windows version with SSL support. Aaron Cannon - -- Skype: cannona MSN/Windows Messenger: [EMAIL PROTECTED] (don't send email to the hotmail address.) -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.3 (MingW32) - GPGrelay v0.959 Comment: Key available from all major key servers. iD8DBQFFnniYI7J99hVZuJcRApGtAKD73Z3nSn4viL5mulFj0ijNjZWaOgCgrN2w JN/foKnc4hmXwzoaiupjbr4= =n7j+ -END PGP SIGNATURE- -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: Data types and space needs
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Actually, I think he was asking if the sized used by the storage engine would change if you used for example int(2) as apposed to int(10). My guess is it would not, but that's just a guess. Aaron Cannon - -- Skype: cannona MSN/Windows Messenger: [EMAIL PROTECTED] (don't send email to the hotmail address.) - - Original Message - From: Dan Buettner [EMAIL PROTECTED] To: Olaf Stein [EMAIL PROTECTED] Cc: MySql mysql@lists.mysql.com Sent: Friday, January 05, 2007 8:45 AM Subject: Re: Data types and space needs Olaf, not a silly question at all. You can indeed save space by using different forms of integer. See http://dev.mysql.com/doc/refman/5.0/en/numeric-type-overview.html and http://dev.mysql.com/doc/refman/5.0/en/storage-requirements.html From that second page: Storage Requirements for Numeric Types Data Type Storage Required TINYINT 1 byte SMALLINT 2 bytes MEDIUMINT 3 bytes INT, INTEGER 4 bytes BIGINT 8 bytes You may also be able to use UNSIGNED to extend the range of a column, if you don't need to store negative values. HTH, Dan On 1/5/07, Olaf Stein [EMAIL PROTECTED] wrote: Hi All, I have somewhat of a silly question. If I define a column as int it needs 4 bytes. Do I gain anything space wise if I restrict the length to e.g. 10, int(10), or is this only a logical restriction? Thanks Olaf -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.3 (MingW32) - GPGrelay v0.959 Comment: Key available from all major key servers. iD8DBQFFnnnGI7J99hVZuJcRAkstAJsEw8S1ZxnEpL+oXvpDsTfKx3C34QCgpnNT hd379sQHorwV3eV9NcYeq0E= =WAXX -END PGP SIGNATURE- -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
select statement question
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi all. I hope this is the right place to ask this. I have two tables, A and B. Each of these tables has a column with integers. The column in table A is C and the one in B is D. I need a select statement that will return all records whose C value is not in any row in D. for example: C = 1 2 3 4 5 6 7 8 11 D = 2 4 6 8 10 and the statement would return: 1 3 5 7 11 Probably an easy question for those of you more experienced but I have no clew. Thanks in advance. Sincerely Aaron Cannon - -- Skype: cannona MSN/Windows Messenger: [EMAIL PROTECTED] (don't send email to the hotmail address.) -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.3 (MingW32) - GPGrelay v0.959 Comment: Key available from all major key servers. iD8DBQFFnBbLI7J99hVZuJcRAiF3AJ4mR4UjLa0sG+hIDbErj7LvuzfU4wCggEDh DtnfmVsHL84me4qVw/mA4s8= =l2gE -END PGP SIGNATURE- -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
