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Results tagged with encryption
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user 4264
Encryption is the process of transforming plaintext using a cipher to make it unreadable to anyone except those possessing the key.
32
votes
4
answers
18k
views
How would you store a 4 digit pin code securely in the database?
I'm familiar with password hashing, using salts, bcrypt etc.
But it doesn't seem like this would work to store a 4 digit pin code since the attacker could try all 10,000 combinations quite quickly. …
- 1,105
18
votes
1
answer
6k
views
Any risk in using the same salt for several hashes on a user?
Right now I'm storing a salt and password_hash on the users table (pretty standard stuff).
The need arose to get a secure hash of another field for a user. Is there any risk in reusing the same salt …
- 1,105
8
votes
1
answer
1k
views
Protecting emails in your database
Unlike the password, we'd need to get the original email out periodically (so a two way encryption would probably be necessary) but we also don't want emails sitting around in the clear, or accessible …
- 1,105