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  • How to create Encryption Key for Encryption Algorithms?

    - by Akash Kava
    I want to use encryption algorithm available in .Net Security namespace, however I am trying to understand how to generate the key, for example AES algorithm needs 256 bits, that 16 bytes key, and some initialization vector, which is also few bytes. Can I use any combination of values in my Key and IV? e.g. all zeros in Key and IV are valid or not? I know the detail of algorithm which does lots of xors, so zero wont serve any good, but are there any restrictions by these algorithms? Or Do I have to generate the key using some program and save it permanently somewhere?

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  • Pros and cons of programmatically enforcing foreign key than in database

    - by Jeffrey
    It is causing so much trouble in terms of development just by letting database enforcing foreign key. Especially during unit test I can’t drop table due to foreign key constrains, I need to create table in such an order that foreign key constrain warning won’t get triggered. In reality I don’t see too much point of letting database enforcing the foreign key constrains. If the application has been properly designed there should not be any manual database manipulation other than select queries. I just want to make sure that I am not digging myself into a hole by not having foreign key constrains in database and leaving it solely to the application’s responsibility. Am I missing anything? P.S. my real unit tests (not those that use mocking) will drop existing tables if the structure of underlying domain object has been modified.

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  • Programmatically allow write access for a Registry key

    - by Kerido
    Hi everybody, I need to programmatically modify the Access Descriptors on a known Registry key during product installation. The way I want it to work is: The installer is run in Administrative mode. A Registry key is created. A function (the one I need) queries the ACL from the key. If this function finds that the group 'Users' already has write access, nothing should be done. If not, it should add a new permission allowing write access to the 'Users' group. The permissions are saved for the Registry key. This question is similar to Setting Registry key write permissions using .NET, however, I need a C++/Win32 implementation. Thanks in advance

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  • is that possible to crack Private key with Decrypted message and public key?

    - by matt clarck
    for example company B send an encrypted email with company A's public key (RSA/PGP/SSH/openSSL/...) the employer receive the encrypted email and send it to his boss who have the private key to decrypt message. the boss give decrypted email back to employer to work on it. question is can employer compare encrypted email with decrypted version and find out what is private key ? if it is possible then is there anyway to protect cracking private key from decrypted messages and comparing with encrypted messages/public key ?

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  • mysql 2 primary key onone table

    - by Bharanikumar
    CREATE TABLE Orders -> ( -> ID SMALLINT UNSIGNED NOT NULL, -> ModelID SMALLINT UNSIGNED NOT NULL, -> Descrip VARCHAR(40), -> PRIMARY KEY (ID, ModelID) -> ); Basically May i know ... Shall we create the two primary key on one table... Is it correct... Bcoz as per sql law,,, We can create N number of unque key in one table, and only one primary key only is the LAW know... Then how can my system allowing to create multiple primary key ? Please advise .... what is the general rule

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  • SQL Encryption - Asymmetric Key - 2nd Server

    - by Jason Heine
    Hello, I created an asymmetric key on one of my SQL servers (2008). I encrypted a password field and I am able to retrieve that password just fine on my development server. The issue comes into play where I need to move this data to a production server. Here is the code for the key that was created: CREATE MASTER KEY ENCRYPTION BY PASSWORD='#########' CREATE ASYMMETRIC KEY UserEncryptionKey WITH ALGORITHM = RSA_2048 Now, when I run this on the production server, it creates the key just fine. However, when I run my sproc to get the password, it returns NULL. SQL: SELECT EncryptByAsymKey(AsymKey_ID('UserEncryptionKey'), Password ) FROM Users WHERE UserName = '######' Any thoughts on what I need to do to get the encrypted field to work on multiple SQL Servers? Please let me know if I need to clarify something. Thanks

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  • Google Maps API Key alert problem

    - by taudorf
    I have a problem with my Google Maps API key. I get an alert saying "This web site needs a different Google Maps API key." When I prees OK to the alert the map are loading and working fine. The same problem is already posted: http://stackoverflow.com/questions/1803327/google-maps-api-key-not-working I have tried to request the API key for both "http://www.domain.com" and "http://domain.com" but I still get the alert. When I follow the instructions from their FQA and use alert(window.location.host) I get www.domain.com but the api key generator will only accept the domain if the prefix is http:// Does anyone have a solution to this?

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  • search map based on key wildcard

    - by Hugo Koopmans
    I have the following map of maps: <map:map xmlns:map="http://marklogic.com/xdmp/map" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <map:entry key="101201"> <map:value> "content" </map:value> </map:entry> ... more maps ... Now I would like to search/filter the map based on the key using a wildcard. Actually I want to filter based on the first 4 characters of the key="101201" so key="1012**". Question: Give me all maps that have a key that is matching '1012*' ... Can that be done efficiently? tx for your time hugo

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  • Creating a foreign key in MySQL produces error:

    - by SnOrfus
    I'm trying to create a foreign key on a table in MySQL and I'm getting a strange error that there seems to be little info about in any of my searches. I'm creating the key with this (emitted from mysql workbench 5.2): ALTER TABLE `db`.`appointment` ADD CONSTRAINT `FK_appointment_CancellationID` FOREIGN KEY (`CancellationID` ) REFERENCES `db`.`appointment_cancellation` (`ID` ) ON DELETE NO ACTION ON UPDATE NO ACTION , ADD INDEX `FK_appointment_CancellationID` (`CancellationID` ASC) ; at which point I get the error: ERROR 1452: Cannot add or update a child row: a foreign key constraint fails (alarmtekcore., CONSTRAINT FK_lead_appointment_CancellationID FOREIGN KEY (CancellationID) REFERENCES lead_appointment_cancellation (`) I've checked here but there's no data in the table.

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  • Dropdownlists creates postback on key changes in IE

    - by Dofs
    I have created a label and a dropdownlist. The label has the dropdownlist as associated id. If I click on the label and then uses the mouse up or down the dropdownlist creates a postback for each click. This is quite anoying and doesn't happen if you click on the dropdownlist and uses key-up or key-down, or if you uses another browser than IE. Is it possibel to fix this, so you can use key-up and key-down without causing a postback, and first on the enter-key creates the postback (as it does if you click on the dropdownlist and not label)?

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  • using google maps api without a key

    - by Don
    The instructions for v.3 of the Google Maps API say that I should load the Maps API using an API key Curiously it says I should..., rather than I must..... Anyhow, at the moment, I am not using an API key simply because (as far as I can remember) there was no mention of an API key when I was writing the code that calls this API. Should I go back and add an API key to the URL that loads the API? It seems to work fine without the key, so I don't have any particular incentive to do this.

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  • Why the Enter key in a Mac keyboard is mapped to Level?

    - by Anentropic
    Just installing Ubuntu for the first time, glad to ditch Win 7. I have a KVM switch and also a Mac, hence I'm using a Mac keyboard (the full size alu one) Everything's pretty cool. First thing I wondered is why the numeric keypad doesn't work? Oh, I have to find the num lock key (which should default to on, sensibly, no?) which isn't labelled as such on a Mac keyboard. Ok no problem. Then for some reason the Enter key on the keypad doesn't work still. Check the keyboard layout (set to 'English UK Macintosh')... inspecting the layout the Enter key is mapped to something called 'Level' - WTF is 'Level'? Everything else about the keyboard works great ie the £ $ # @ " are all perfect, volume control works as expected... why this weird key mapping on the Enter key? More importantly... how do I change it to work as an Enter key ?

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  • The input doesn't recognize that I release the key?

    - by joapet99
    I'm creating a window (JOptionPane), in response to a collision. However, if the player is holding a key down when the window pops up, the input doesn't trigger a key release when the key is released. I don't think you can just check it with a isRelease function in the input, since the input is kind of corrupt. Can you help me? The way I check if the key is down: if(input.isKeyDown(Input.KEY_A)&& TestLevel.isFighting == false){ if(owner.canMoveLeft){ position.x -= speed * delta; } } I am not handling the key release by myself, but if I check if the key is down it should work. But it doesn't.

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  • SSL, Nginx, X509_check_private_key:key values mismatch error

    - by Dmitry T
    I have nginx server with the SSL. I'm trying to submit ssl sertificate. After I restart nginx I'm getting error: SSL_CTX_use_PrivateKey_file(".../example.com.key") failed (SSL: error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch) I found some solution here: http://nginx.org/en/docs/http/configuring_https_servers.html#chains but i'm not using of any bundles, Any ideas on what is the issue ? Thank you in advance, Dmitry

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  • how to make a multiboot usb key ?

    - by zillion
    I wanna cut my 8 gb usb key into several partitions to use wintoflash for a windows xp (maybe nlited before) and I wanna put also the Framakey ubuntu-fr remix pack into it has the second bootable OS and tweak and mod it a little cause if I can I wanna switch ubuntu 9.04 included to the LTS version ... So someone know how to do it easily ??? IMP : in short I wanna make a dual-boot usb key with windows xp sp3 and ubuntu 8.04.3 LTS ...

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  • Tunnelblick cannot load private key file

    - by Patrick
    I got a certificate from my network administrator and the passphrase for it. Put everything in the Tunnelblick configuration folder, but always get an error: 2010-11-20 13:22:10 Cannot load private key file vpn-pass.key: error:06065064:digital envelope routines:EVP_DecryptFinal:bad decrypt: error:0906A065:PEM routines:PEM_do_header:bad decrypt: error:140B0009:SSL routines:SSL_CTX_use_PrivateKey_file:PEM lib Everything was copy&paste and it works on a windows machine. How can I get this to work?

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  • Foreign key problem linking tables in phpMyAdmin

    - by alan
    I'm using phpMyAdmin (PHP & MySQL) and I'm having a lot of trouble linking the tables using foreign keys. I'm getting negative values for the field countyId (which is the foriegn key). However, it is linking to my other table and cascading fine. When I go to add data there will be a drop selection for the CountyId and the values will look something like this: " -1 1- " Here is my alter statement: ALTER TABLE Baronies ADD FOREIGN KEY (CountyId) REFERENCES Counties (CountyId) ON DELETE CASCADE

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  • Foreign key problem linking tables in phpMyAdmin

    - by alan
    I'm using phpMyAdmin (PHP & MySQL) and I'm having a lot of trouble linking the tables using foreign keys. I'm getting negative values for the field countyId (which is the foriegn key). However, it is linking to my other table and cascading fine. When I go to add data there will be a drop selection for the CountyId and the values will look something like this: " -1 1- " Here is my alter statement: ALTER TABLE Baronies ADD FOREIGN KEY (CountyId) REFERENCES Counties (CountyId) ON DELETE CASCADE

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  • VMware Workstation Easy Install is unable to install Windows 8 with a product key specified

    - by Hippo
    I recently attempted to install Windows 8 Enterprise Edition in VMware Workstation. It specified that Easy Install would be used, and requested for the product key, for which I entered the generated MSDN key. This didn't work - the installation goes into a loop with each iteration of the loop ending with the following screen: The guest reboots and the process repeats after clicking "OK". Has anyone been able to successfully install their MSDN image with Easy Install in Workstation?

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  • Change the on-screen keyboard key size?

    - by stukelly
    Is it possible to change the key size on the on-screen keyboard included with Windows XP? I find it really difficult to use on a touch screen, when there is no keyboard available. I know you can the change the font size, but this does not change the key size.

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  • Remap FN to another key

    - by MrValdez
    I got a keyboard (Logitech Wave, pictured below) which I'm very happy with. Unfortunately, the manufacturer has changed the button for right-click for a FN key. Is there any program to remap the FN key to something else?

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  • Validating GPG key signature authenticity

    - by Dor
    I'm trying to validate the integrity of my httpd-2.2.17.tar.gz image. I followed the steps written in the following pages: http://httpd.apache.org/download.cgi#verify http://httpd.apache.org/dev/verification.html#Validating But I got: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner. What I need to do in order to verify the authenticity of the key?

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