Questions tagged [seed]
A seed is a value used by pseudo-random number generators (PRNG) as a first value to calculate random values.
6 questions
1 vote
1 answer
116 views
Would a passkey client that had a seed for backup break the specification?
I have been thinking about backing up passkeys, I asked a previous question about backing up individual private keys. This procedure requires one to create the backup after creating the account. ...
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1 vote
0 answers
116 views
Usage of Mt_Rand in PHP
I am creating an exericse for my users, where I am trying to tell them that using mt_rand() is not a good option from security point of view. What I did is that I showed them a normal user who gets a ...
- 343
2 votes
2 answers
212 views
Security Risks of Deriving Crypto Wallet Seed Phrases Using Deterministically Derived Salt
I'm working on a project where I want to generate a set of crypto wallet seed phrases from an existing seed phrase. The reason for this is so that using just the original seed phrase the wallet holder ...
- 21
0 votes
1 answer
138 views
Randomness of seeded cryptographically secure random number generator
If I generate a large true random number and I seed a CSPRNG with it, then can the output of this CSPRNG be used anywhere where there is a need for a true random number? For example, if Alice and Bob ...
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0 votes
1 answer
1k views
Security of PHP's str_shuffle()
I'm doing some research on PHP's str_shuffle function, I already asked this question multiply times on StackOverflow but got no answer https://stackoverflow.com/questions/61968859/is-it-possible-to-...
1 vote
1 answer
626 views
What is the correct way to seed CSPRNG functions?
When using CSPRNG (crypto secure pseudo random number generation) functions seeding is an important step. So what is the best way to seed a random number function?
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