SHA-256 is a hashing algorithm.
Questions tagged [sha256]
178 questions
0
votes
1 answer
Passwords processed on server side?
So while I was working on my personal project something struk me.
When somebody creates an account on any web service/social media they provide their desired username and password,this is then processed by the server, the username is stored in a BD…
EChan42
- 111
- 2
0
votes
1 answer
Find SHA256 if I only have part of the string
I need to find the SHA256 hash of s string like this: "part1-part2".
I know the SHA256 hash of part1 and I know what part2 represents, but I don't know what is the contents of part1.
Is there any chance I can compute the hash of the whole string…
Daniel
- 111
- 3
0
votes
1 answer
Can SHA1 certificate be used for SHA256 cipher?
I have two Windows 2008 R2 domain controllers configured with TLS 1.2. Both certificates are SHA1-RSA. I captured network traffic between two DCs while running LDAPS (LDP.EXE). It seems TLS 1.2 was agreed but the cipher it was used
TLSCipherSuite:…
Silver
- 1
0
votes
1 answer
Do any browsers support Server Name Indication (SNI) but NOT SHA-2?
Yes, I know that SHA-2 signature validation is typically done by the operating system (with Mozilla Firefox/NSS and Chrome as of v39 being the exception).
Patrick
- 207
- 3
- 4
0
votes
2 answers
should I add a sha256 signature to an AES_256_CBC encrypted token?
currently I generate a token for an mobile app the way below. I decrypt the token to process the request and assess the user is logged in. I'm on TLS RSA 2048 bits connection. I was wondering if $GLOBALS is safe and if adding an hmac_sha256 would…
Nicolas Manzini
- 103
- 4
-1
votes
1 answer
How to encrypt by AES-Twofish-Serpent
I was wondering how to encrypt by doing a AES-Twofish-Serpent encryption. Does this mean I encrypt in AES first then after that in Twofish, and after that in Serpent (three separate encryptions). In truecrypt they talk about cascading in xts…
abden003
- 181
- 9
-1
votes
2 answers
How can I make a program to verify file integrity?
How to make a program that calculates a checksum of a file? What is the exact process of calculating a checksum?
Chaitanya Rahalkar
- 3
- 1
- 4
-1
votes
3 answers
Are GPG, PBKDF2 and SHA256 all AES?
As far as I understand what defines an AES is you use the same private key for encrypting and decrypting.
Do all GPG, PBKDF2 and SHA256 lay under this category?
PBKDF2 I know for a fact it is, but what is the differences between them?
thanks
RollRoll
- 183
- 1
- 1
- 7
-2
votes
4 answers
Getting password cracking time and byte storage from bruteforce?
I am stuck with this question, you can see it in the picture I have included below.
PARTS (a and b) I know a-z will be 26^8, A-Z will be 26^8 guesses, and 0-9 will be 10^8 guesses. But I can't relate guesses to time, I need help.
PART c) Password =…
user124627
- 45
- 1
- 7
-2
votes
1 answer
SHA256 Encrypting with Value
Is it possible to encrypt a value (such as "hello world") with itself ("hello world") using an encrypting technique such as SHA256? Is that safe to do or would it be easily compromised?
ds_secret
- 101
- 4
-3
votes
1 answer
Sum two SHA256 to get a SHA512
I see this code in a web game SHA512(SeedServer + "|" + SeedUser) and I'm trying to reproduce this hash. I tried in PHP:
-3
votes
1 answer
which algorithm/hash can possibly encrypt and decrypt certain data regardless of size?
I have intercepted some data for which i don't know which algorithm has been used to encrypt this data, this data has been for sure encrypted before transmitting, to decrypt the data i should certainly must find the algorithm being used as well key…
OScam
- 1
- 2
-12
votes
1 answer
Someone help me decode this
What type of hash is this?
a9df6dcd35f4e7223ff3dd087abcc266
I can't find anything when I decrypt it.
Please someone decrypt it
nanda
- 3
- 1