All Questions
Tagged with hash-functions encryption
14 questions
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can we decrypt a hash function of SHA256
if i have a hash SHA-256 , i want to decrypt it i know that result is in the format of string of length 40 which contains both small and large alphabet and 0-9 number (randomly)
which method i have ...
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Figure out iButton hash of known stored value in 6 bytes
I have an old iButton which stores a floating number on 6 bytes, presumably using a checksum, for which I can't figure out the algorithm.
Here are samples I have:
value X1 X2 X3 X4 X5 X6 V1 V2 ...
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64
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Unknown file analysis
I have a file, which supposedly contains an output of CRC32 hash. Problem is, file has no extension, type file (cat analogue) returns mangled gibberish, i.e. ёя╫жW▲{═Sb╨y¶|ИМ▐ВQ╙l9k╖▀у║?╩↓b☼┐R.
TrID ...
3
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219
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How to decrypt query string of an url
I need to decrypt the encoded part of query string i.e. Q7eM0euncHNyrhJPjN06lw== and sWmYdMUi01BJplzumEaxTw== from the following urls?
https://XXXX/deed-check/view-deed-summary?encApplicationId=...
- 161
1
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85
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can sha1 hash of file converted to sha2 hash?
I have a phone database /data/user/0/com.miui.gallery/databases/gallery.db containing information such as exif data and file name. there is a column sha1 containing value
...
- 113
1
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150
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Where can I find the hashing algorithm in source code?
When I submit login credentials in an Android Application it POSTs an encrypted string to an API endpoint.
For example, if I enter the following email & pass :
"[email protected]:abc"
it ...
- 11
0
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2
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260
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How to know which hashing algorithm is being used?
I’ve been reading about digital signatures getting ready for some certification, and there is one question regarding this topic, that I don’t really understand.
Let’s say that I receive a plaintext ...
- 3
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293
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Reverse Engineering a Vehicle Identification Number (VIN) encoding
Not sure if this is the right place so please point me to the right place if needed.
I have an input of a VIN (Vehicle Identification Number) number with 17 characters, each character is either an ...
- 101
0
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141
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Does anyone recognise following (USB,HID?) encoding method?
Im reverse engineering a Keyborard RGB LED Control Software and there is a Library called "HidServ.dll" that seems to be the interface between the Keyboard and the Software. Every Function of that ...
- 153
1
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1
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Tool to search known hash/encryption algo in files in Windows
I am looking for a tool (the best would be an Ida plugin) that can search files in a folder for a known hash (md5/sha1 etc.) and encryption (aes /rsa etc.).
I know an Ida plugin called FindCrypt2 but ...
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5k
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How to get file back from generated sha256 checksum?
The title seems little crazy, but I think that it is possible. Just think about it. If you create text file like this:
Hello world!
You get this checksum:
...
user20549
7
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1
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421
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Is there a way to find out which hash standard by studying the source code?
We have an embedded product, which we are carrying for several hardware iterations since more than 5 years ago. We have all the source code, most of it nicely documented. As the product is actively ...
- 173
1
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2
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Extract decrypted token from EXE
EDIT
As some people have pointed out, this exe file classifies as a 'virus' on some analysers. I can assure you this exe is from a very trusted source, and is actually part of a large puzzle (which ...
- 137
2
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2
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658
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SHA + Mersenne Twister
I'm trying to decrypt some audio files. At first I thought that they were encrypted using Blowfish, but apparently "SHA + Mersenne Twister used for generate key and decrypt". What exactly does this ...
- 173