python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - cryptography

microsoft visual c++ 10.0 is required

my current OS is Windows 11 Pro - 64 bit ( Version: 21H2 ) I need to work on a python project that requires python 3.4.3 and django 2.0.3 my problem is the project also requires me to install cryptogr...
test-img

Irfan Harun

c++

python-3.x

cryptography

Votes: 0

Answers: 0

ROT2 cipher resulting in different than expected characters when deciphered with Python

I was having fun solving the riddles from the Pythonchallenge website when I stumbled upon a weird behaviour: With this input: *g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp. bmg...
test-img

apingaway

python

cryptography

cypher

caesar-cipher

rot13

Votes: 0

Answers: 2

Latest Answer

I'm assuming that while using str.maketrans you specifically created a mapping table between alphabets. That's exactly the point: you specify a 1-to-1 map between characters and so you're guaranteed t...
test-img

tlgs

Verify Signature with a base64 public key NID_secp384r1 with openSSL

I am trying to verify a signature with openssl 1.1.1k, but I have trouble importing the DER-encoded SPKI formatted public key that I generated with SubtleCrypto Web Crypto API. Decoded public key with...
test-img

Csuszmusz

c++

openssl

cryptography

ecdsa

Votes: 0

Answers: 1

Latest Answer

tryTwo() allows a successful verification of the posted data with the following changes: In addition to key and signature, the message itself is also required for verification. However, the message i...
test-img

Topaco

base58 decoding & storing big numbers?

I am trying to make a base58 decoder in c following this tutorial https://learnmeabitcoin.com/technical/base58 To convert a base58 value in to base10, you take each character index and multiply it wit...
test-img

user14570759

c

cryptography

decode

largenumber

base58

Votes: 0

Answers: 1

Latest Answer

what is the best solution for this problem? Check for input validity what if the string is BukQLKksdjkL7asSld = 11398419278238782..more OP's assertion is in error as l is invalid. The valid charac...
test-img

chux - Reinstate Monica

Posts

Questions

Blogs

Jobs