C# Beginners Tutorial - 117 - TripleDES Decryption

[alicenirvana]

@Bob Marley   You can put a try and catch around the decryption part and if it catches, throw an exception saying something like "Invalid key name."

[alditopalli]

Why it doesn't work with SHA1 it throws an error saying the size isn't ok with the algorithm or something similar i don't remember exactly :/ what should i add in my code to make it work?

[Realmulation]

im having problems decrypting as the encrypted text is coming back from a telegram bot api as e.message.text in the format
of a hex string like
B9-CA-06-F1-5E-B9-5E-D7
i tired to store this value in a byte array but it crashes on decryption saying length of byte array is invalid so i printed out the byte array and its

[RaviNaik]

I have an issue. I get a Cryptographic Exception, "Data to decrypt has an Invalid Length. ", If I manually pass "data to be decrypted" of size 8, 16, 24...(multiples of 8), I don't get this exception and I get some strange output. How do I solve this problem?

[BobMarley-rrgk]

and whats the smart way to display a message saying the wrong key was entered to decrypt as opposed to crashing the program?

I know i could simply do:
!= 0) ...

but is there a more technical way to do this?

[StarboyProductions]

I have an issue i keep getting an invalid length exception... help anyone??

[pottersun]

store the encrypted byte array in the Settings of the Application

[inurdreamsfuzzy]

how do i decrypt the bytes from a text?


txtDecrypted.Text = utf8.GetString(trans.TransformFinalBlock(txtEncrypted.Text, 0, txtEncrypted.Text.Length));

[gorbazor]

try and catch? catch the error and display message

[charlesparoissien]

Bob Marley you surround your code with a try-catch statement, and then you put a fancy sentence in the mbox, that says that the password is uncorrect