From 2990488fc32f42ca053bc88b5e3e7802456f81fa Mon Sep 17 00:00:00 2001 From: Hisumi01 <166520861+Hisumi01@users.noreply.github.com> Date: Mon, 15 Apr 2024 00:12:47 +0800 Subject: [PATCH] Create writeup.md --- challenges/crypto/Messenger/writeup.md | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 challenges/crypto/Messenger/writeup.md diff --git a/challenges/crypto/Messenger/writeup.md b/challenges/crypto/Messenger/writeup.md new file mode 100644 index 0000000..9e9fdab --- /dev/null +++ b/challenges/crypto/Messenger/writeup.md @@ -0,0 +1,8 @@ +The message that was found in the letter has been given 964lCv5sFqsdip50KeyCkg== where it has been encrypted by a block cipher symmetric-key algorithm that has a key length size of 56 bits. The cipher that has a 56 bits is DES (Data Encryption Standard) + +The clue for what the key is actually in the statement which is treasure. + +Use any type DES decoder online to decode the message +image + +The flag is CH3CK_CH3ST