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Search found 16 results on 1 pages for 'hmacsha1'.

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• How to decrypt a string encrypted with HMACSHA1?

  - by Bob

  I'm an encryption novice trying to pass some values back and forth between systems. I can encrypt the value, but can't seem to figure out how to decrypt on the other end. I've created a simple Windows Forms application using VB.NET. Trying to input a value and a key, encrypt and then decrypt to get the original value. Here's my code so far. …

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• Interop: HmacSHA1 in Java and dotNet

  - by wilth

  Hello, In an app we are calculating a SHA1Hmac in java using the following: SecretKey key = new SecretKeySpec(secret, "HmacSHA1"); Mac m = Mac.getInstance("HmacSHA1"); m.init(secret); byte[] hmac = m.doFinal(data); And later, the hmac is verified in C# - on a SmartCard - using: HMACSHA1 hmacSha = new HMACSHA1(secret); …

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• iPhone: convert string using HMAC-SHA1

  - by Rupesh

  hi all, i want to generate HMAC-SHA1 of NSString type variable. I see the post but this method give me error in CCHmac(kCCHmacAlgSHA256, cKey, strlen(cKey), cData, strlen(cData), cHMAC); and NSString *hash = [HMAC base64Encoding]; line. Please suggest how can I generate the HMAC-SHA1 of any string.

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• HMAC SHA1 ColdFusion

  - by Chris

  Please help! I have been pulling out my hair over this one. :) I have a site that I need to HMAC SHA1 for authentication. It currently works with another language but now I need to move it to ColdFusion. For the life of me I cannot get the strings to match. Any assistance would be much appreciated. Data: …

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• Trying to find a good javascript function for hmac-sha1

  - by Darxval

  So i have been searching the web for a javascript source for an Hmac-sha1 algorithm. I saw Crypto's but i cant seem to get it to work, mainly because it has no idea what crypto means. (i copied the .js script functions into my script file) http://code.google.com/p/crypto-js/ I have my base64 encoded function…

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• java equivalent to php's hmac-SHA1

  - by Bee

  I'm looking for a java equivalent to this php call: hash_hmac('sha1', "test", "secret") I tried this, using java.crypto.Mac, but the two do not agree: String mykey = "secret"; String test = "test"; try { Mac mac = Mac.getInstance("HmacSHA1"); SecretKeySpec secret = new…

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• StackOverFlowError while creating Mac object on AS400/Java

  - by Prasanna K Rao

  Hello all, I am a newbie to AS400-Java programming. I am trying to create my first program to test the implementation of Message Authentication Code (MAC). I am trying to use the HMACSHA1 hash function. My (Java 1.4) program runs fine on a dev box (V5R4).But fails terribly on the…

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• Implement OAuth in Java

  - by phineas

  I made an an attempt to implement OAuth for my programming idea in Java, but I failed miserably. I don't know why, but my code doesn't work. Every time I run my program, an IOException is thrown with the reason "java.io.IOException: Server returned HTTP response code: 401" (401…

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• Problems with HMAC when switching to Java 6

  - by Pablo Fernandez

  We have recently switched to java6 and it's mandatory in the project. One of our apps that used to work is failing, with this stacktrace (relevant part) java.lang.NoClassDefFoundError: Could not initialize class com.apple.crypto.provider.HmacSHA1 …

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• Delicious API and Yahoo oAuth in .NET

  - by Khash

  The fact that Delicious has two sets of API authentications one with username and password and one with oAuth told me something about things I was going to experience and I wasn't wrong. Unfortunately I have to deal with both APIs now and am…

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• Secure Password Storage and Transfer

  - by Andras Zoltan

  I'm developing a new user store for my organisation and am now tackling password storage. The concepts of salting, HMAC etc are all fine with me - and want to store the users' passwords either salted and hashed, HMAC hashed, or HMAC salted…

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• Twitter OAuth, Error when trying to POST direct message.

  - by Darxval

  So I am building a java script that is used in conjunction of my C++ application for sending direct messages to users. the script does the work of building the request that i send. When i send a request i receive "Incorrect signature" or…

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• Handling Errors from HttpWebRequest.GetResponse

  - by Jason

  Hey experts - I'm having a ridiculous time trying to get an SMS API working (ZeepMobile, if you're interested) with .NET... I've been around .NET for a few years, but with all this social networking and API stuff, I need to get into…

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• Consuming the Amazon S3 service from a Win8 Metro Application

  - by cibrax

  As many of the existing Http APIs for Cloud Services, AWS also provides a set of different platform SDKs for hiding many of complexities present in the APIs. While there is a platform SDK for .NET, which is open source and available…

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• Consuming the Amazon S3 service from a Win8 Metro Application

  - by cibrax

  As many of the existing Http APIs for Cloud Services, AWS also provides a set of different platform SDKs for hiding many of complexities present in the APIs. While there is a platform SDK for .NET, which is open source and available…

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• WP: AesManaged encryption vs. mcrypt_encrypt

  - by invalidusername

  I'm trying to synchronize my encryption and decryption methods between C# and PHP but something seems to be going wrong. In the Windows Phone 7 SDK you can use AESManaged to encrypt your data I use the following method: …

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