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Questions - cbc-mode

Python AES 256 CBC Base64 decryption not working

I'm trying to decipher a string downloded from a server. The text contains JSON, e.g., {"test": {"value_1": "my_value_1","value_2": "my_value_2"}}. If...
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Emonale

python

json

base64

aes

cbc-mode

Votes: 0

Answers: 0

TypeError: can only concatenate str (not "bytes") to str - decrypting from pandas

I'm trying to decrypt my encrypted data stored in a text file from my DropBox bucket. When I create a pandas dataframe of the txt data and match it up with my user input, I exclusively pick the row th...
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Sam Hughes

python

pandas

csv

aes

cbc-mode

Votes: 0

Answers: 0

DES-CBC Initialization Vector only affects the first block?

I'm playing around with DES encryption using CBC mode, and I came across something puzzling. I have a payload (not generated by me, but for which I know the key), accompanied by an IV, as well as a sa...
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TallChuck

encryption

openssl

encryption-symmetric

des

cbc-mode

Votes: 0

Answers: 1

Latest Answer

The answer is perfectly simple, and has nothing to do with DES, and everything to do with CBC mode. Thank you to @Topaco for pointing it out to me. The IV does propagate changes to all blocks when per...
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TallChuck

C# AES decrypted output is not the same as input

I wanted to do a simple message encrypter to dip my toes into the matter but I can't make it to work. The problem is that whatever input I start with, sometimes it encrypts it but when I try to decryp...
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ElrohirGT FAGD

c#

encryption

console-application

aes

cbc-mode

Votes: 0

Answers: 1

Latest Answer

Per our discussion... Using the clipboard to store binary data as Unicode text will fail due to invalid UTF-16 codepoints. UTF-16 uses some multi-word encoding for certain Unicode characters, using 32...
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Corey

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