All Questions
8 questions
0
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0
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57
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Public key cryptography for logins
This is a question sparked purely by curiosity, wanting to understand a little more about cryptography and authentication. Thanks in advance to anybody taking their time to answer.
Instead of salting ...
1
vote
0
answers
488
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Hashed password used for encryption and for user authentication at the same time
As I am fairly new to cryptography, I would like to understand how to, in a simple way, implement a system that would achieve the following: the user would have to setup a password, which would then ...
7
votes
3
answers
3k
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Password hash contained '\x00' in middle, resulting in ValueError from bcrypt.hashpw
I have some code that accepts a password in string format, and hash it with SHA3-512 before passing it to bcrypt for hashing. However, by some coincidence, I found a test case that produces a hash ...
1
vote
0
answers
4k
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Relation between Zoom id,password and join URL [closed]
We all are using zoom application for joining/hosting meetings in this corona virus period. As we create a meeting, a new id, password and a url is generated. Some real examples follow-
Id: ...
2
votes
5
answers
729
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How passwords are fed to key derivation functions?
Suppose I want to encrypt data, send it over the network, and decrypt it on the receiver side.
I know the elegant way to do this is by using a symmetric key to encrypt the data and an asymmetric key ...
0
votes
2
answers
931
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Best practices for saving encrypted user data without a database
We are setting up a web application which requires users to submit sensitive data. Since entering all the required data may take a long amount of time, we want to give them the option to save their ...
1
vote
2
answers
344
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Zencash uses your passphrase to identify AND unlock a wallet - how is this secure?
When looking into Zencash I stumbled into myzenwallet.io (by the Zencash creators), which gives you the option to enter a passphrase to generate a wallet (seems normal), but then after creating your ...
1
vote
1
answer
300
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securing the keystore
When generating a public-private key pair you have the option to secure the keystore with a password.
where is that password stored, is it a hashed version that is stored and if that is so which ...