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Published on 2010-04-21T13:16:34Z
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2010/04/21
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Both hashing and trees can be used for searching of the elements.But where exactly hashing is used and trees are used.Give some real life examples binary trees are used.
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I want to hash "user + password".
EDIT: prehashing "user" would be an improvement, so my question is also for hashing "hash(user) + password". If cross-site same user is a problem then the hashing changed to hashing "hash(serviceName + user) + password"
From what I read about salted hash, using…
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What is index hashing ? What are its advantages over regular hashing techniques ?
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It is currently said that MD5 is partially unsafe.
Taking this into consideration, I'd like to know which mechanism to use for password protection.
Is “double hashing” a password less secure than just hashing it once?
Suggests that hashing multiple times may be a good idea.
How to implement password…
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I'm looking at hashing algorithms, but couldn't find an answer.
Bcrypt uses Blowfish
Blowfish is better than MD5
Q: but is Blowfish better than SHA512?
Thanks..
Update:
I want to clarify that I understand the difference between hashing and encryption. What prompted me to ask the question…
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When I use C# to implement the AES symmetric encryption cipher, I noticed:
PasswordDeriveBytes derivedPassword = new PasswordDeriveBytes(password, saltBytesArray, hashAlgorithmName, numPasswordIterations);
Why do I need to use a hashing algorithm for AES encryption? Aren't they separate? Or is…
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