pbkdf2 Questions
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I am trying to write a Python module that will encrypt text that our existing .NET classes can decrypt. As far as I can tell, my code lines, up but it isn't decrypting (I get an 'Invalid padding le...
Murphy asked 2/10, 2014 at 19:52
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I want to generate key using PBKDF2WithHmacSHA1, but it takes too long to calculate on android. I am using same number of iteration on iOS with common crypto and it takes approximately 6 seconds wh...
Mirage asked 9/7, 2014 at 11:34
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I'm looking for the proper Java algorithm for password encryption, and I found that Java SDK provides PBKDF2WithHmacSHA1, but not PBKDF2WithHmacSHA256.
I heard that HMAC-SHA256 will take more time ...
Evelunn asked 30/5, 2014 at 3:1
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I am trying to learn cryptography with saving passwords in database with hashing and salting, so I decided to make a login-system trying implementing this system.
My database consist of
UserID i...
Alidaalidade asked 19/4, 2014 at 11:20
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I'm attempting to use OpenSSL's PKCS5_PBKDF2_HMAC_SHA1 method. I gather that it returns 0 if it succeeds, and some other value otherwise. My question is, what does a non-zero return value mean? Mem...
Cathead asked 4/4, 2014 at 1:16
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I am using the following methods to create a salted and hashed password from the crypto lib in nodejs:
crypto.randomBytes(size, [callback])
crypto.pbkdf2(password, salt, iterations, keylen, callba...
Arjan asked 20/6, 2013 at 15:45
1
I want to utilize the PBKDF2 algorithm with SHA1 HMAC (based on this answer).
How can I utilize this through the crypto library?
I started by looking at man openssl, but the openssl passwd comman...
Christi asked 31/3, 2014 at 22:5
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I've being messing around the C# Bouncy Castle API to find how to do a PBKDF2 key derivation.
I am really clueless right now.
I tried reading through the Pkcs5S2ParametersGenerator.cs and PBKDF2P...
Presbyterate asked 9/7, 2010 at 7:54
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I am new to encryption, I used encryption techniques of all types,but client particularly asking about PBKDF2 encryption technique. Any Help?
Prehistoric asked 12/1, 2014 at 11:55
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I have not been able to find published test vectors for PBKDF2-HMAC-SHA-512. I've built a function that (finally!) reproduces the 7 HMAC-SHA-512 test vectors in RFC 4231, and the 32-byte test vecto...
Turgite asked 23/3, 2013 at 23:12
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I am working on a Java project where I must ensure the confidentiality and integrity of users password saved in a plaintext file.
To do so, I will write only a hash of the password in the file. M...
Schwing asked 8/11, 2013 at 15:22
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Does anyone know of a SQL implementation of PBKDF2?
(I'd rather not use an external library like, for example, ChillKat's ActiveX component.)
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I'm working on a Java authentication subsystem that specs the storage of passwords in the DB as PBKDF2-generated hashes, and I'm now trying to decide whether I should use SHA1 or SHA512 as PRF. I w...
Simonette asked 13/10, 2013 at 18:9
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Since SHA-3 seems to be an already known function (Keccak as the finalist of NIST hash function competition) I have several questions related to this topic:
NIST site says that NIST is closed due...
Erythro asked 4/10, 2013 at 23:24
4
Guys, I'm trying to implement a PBKDF2 function in C# that creates a WPA Shared key. I've found some here: http://msdn.microsoft.com/en-us/magazine/cc163913.aspx that seems to produce a valid resul...
3
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I'm trying to use CommonCrypto to generate keys using PBKDF2 but I can't seem to import CommonCrypto/CommonKeyDerivation.h, I just errors that it is not found.
Any ideas?
edit: I should probably ...
Obed asked 20/12, 2011 at 0:53
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Is there PBKDF2 implementation for Android. I am trying to derive a key using PBKDF2 function. I couldn't find an example to do so.
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I'm using pbkdf2 in node.js for hashing passwords.
My problem is that I'm responding to a request for authentication and I'm in the middle of authenticating if the passed credentials are correct....
Mosby asked 9/1, 2013 at 13:37
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I want to generate a derived hash of a password using PBKDF2 with SHA256. with this SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1") this work but it use SHA1.
With SecretKeyFactory.getInstance("...
Bread asked 24/7, 2012 at 9:48
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I have written a simple Android App on my Xoom tablet, which simply stores some string notes in a SQLCipher database.
The user is prompted to type in a passphrase which will be used for the datab...
2
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Join me in the fight against weak password hashes.
A PBKDF2 password hash should contain the salt, the number of iterations, and the hash itself so it's possible to verify later. Is there a standa...
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from the passlib documentation
For most public facing services, you can generally have signin take upwards of 250ms - 400ms before users start getting annoyed.
so what is the best value for ro...
Supreme asked 24/11, 2012 at 21:14
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I have been doing some research for proper ways to hash/encrypt a password and store it in a database. I knew about Salt and Hashing so I looked around and PBKDF2 seemed to be a good choice. So I'v...
Veroniqueverras asked 31/7, 2012 at 6:41
0
I am trying to port a UNIX code using OpenSSL (PKCS#5 & PKCS#7) to windows.
In the case of OpenSSL, all the encoding/decoding (certificates or
passwords) is done transparently to the caller in...
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