I did a search on the internet, but the results on the operation of the SHA-256 algorithm did not satisfy me, if anyone can help me I'll be grateful.
Vlw.
I know there are other things that help keep a system secure, but I would like to know specifically about one: information encryption.
For example, the password is information that my projects always try to get encrypted in the bank. My que...
I have an Asp.Net MVC project and would like to securely store user passwords in the database.
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The goal is to create something that can not be easily decrypted in a few hours of brute force on a PC (I'm aware that with a little more effort...
How to use the PHP language to generate a string, preferably with configurable size, random enough to be used in routines that handle encryption and that for security reasons can not be not too random?
If you propose more than one solutio...
Searching for hash, I noticed that the second parameter of the password_hash function has two options, PASSWORD_DEFAULT and PASSWORD_BCRYPT ,
Exactly which of the two should I give preference to use?
It should probably...
I was reading a subject once quoted PFS and then I went to search, Wikipedia is weak on information about this, what is it? Is it like doing it? Please, I am a layman and I like examples, thank you in advance.
Out of curiosity I'm looking for and slowing down many things about cryptography and also looking for some pure PHP libraries, such as Sodium_Compat , for the sole reason that I understand a lot more of PHP compared to C, which is ideal for e...
I need to do an encryption with the AES algorithm by testing the runtime according to the sizes of the keys (128-192-256), but I can not find how to toggle the size of the key to be generated by the system, since my code returns that the key siz...
I'm developing a web system where users can communicate with each other privately, without even the server having access to the communication content (ie end-to-end ). For this I intend to encrypt all the messages exchanged between them in th...
I was reading "Cryptography and Security: The official guide to RSA" but I was limited to a few pages (if anyone has the PDF of this please share !!) and then I came across KEK and could not read more ..
What is it and how do you use it corre...