Update challenges

sigpwny · Mar 12, 2024 · f87f46f · f87f46f
1 parent cbe4703
commit f87f46f
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Showing 10 changed files with 10 additions and 9 deletions.
diff --git a/chals/crypto/xor_101/chal.py → chals/crypto/seal_trouble_1/chal.py b/chals/crypto/xor_101/chal.py → chals/crypto/seal_trouble_1/chal.py
@@ -2,9 +2,9 @@ def encrypt(message, key):
     return bytes([b ^ key[i % len(key)] for i, b in enumerate(message)])
 
 def main():
-    passphrase = input("Enter passphrase: ")
+    passphrase = input("Enter secret key: ")
     key = [ord(char) for char in passphrase]
-    message = b"sigpwny{fake_flag}"
+    message = b"sigpwny{not_the_real_flag}"
 
     # Encrypt
     ciphertext = encrypt(message, key)

diff --git a/chals/crypto/xor_101/challenge.yml → chals/crypto/seal_trouble_1/challenge.yml b/chals/crypto/xor_101/challenge.yml → chals/crypto/seal_trouble_1/challenge.yml
@@ -1,8 +1,8 @@
-name: "XOR 101"
+name: "Seal Trouble I"
 author: Sophia
 category: Crypto
 description: |-
-  Breaking news: Seals have reached a new level of intelligence and can now create their own XOR challenges.
+  Breaking news: Seals have reached a new level of intelligence and can now create their own XOR encryptions.
   One left a comment on a photo of themself. Can you use that to discover the flag?
 
   **author**: Sophia

diff --git a/chals/crypto/xor_101/flag.txt → chals/crypto/seal_trouble_1/flag.txt b/chals/crypto/xor_101/flag.txt → chals/crypto/seal_trouble_1/flag.txt
diff --git a/chals/crypto/seal_trouble_1/message.txt b/chals/crypto/seal_trouble_1/message.txt
@@ -0,0 +1 @@
+1e06151511070a1303091b011c2d090f021637085c0810
diff --git a/chals/crypto/xor_101/seal1.png → chals/crypto/seal_trouble_1/seal1.png b/chals/crypto/xor_101/seal1.png → chals/crypto/seal_trouble_1/seal1.png
diff --git a/chals/crypto/xor_101/sol.py → chals/crypto/seal_trouble_1/sol.py b/chals/crypto/xor_101/sol.py → chals/crypto/seal_trouble_1/sol.py
@@ -1,12 +1,12 @@
 # Step 1: Inspect "comment" tag in metadata for passphrase (ex: exiftool seal1.png)
-passphrase = "tomatoisafruit"
+passphrase = "morefishplz"
 
 # Step 2:
 def decrypt(ciphertext, key):
     return bytes([b ^ key[i % len(key)] for i, b in enumerate(ciphertext)])
 
 # Provided from message.txt
-input = "07060a110301100806030601001a13301e15151d1d160539052a11440612"
+input = "1e06151511070a1303091b011c2d090f021637085c0810"
 
 # Convert hexadecimal string to bytes
 b_input = bytes.fromhex(input)

diff --git a/chals/crypto/secret_salad/challenge.yml b/chals/crypto/secret_salad/challenge.yml
@@ -3,7 +3,8 @@ author: Sophia
 category: Crypto
 description: |-
   We have intercepted a crucial document via email. It appears to contain a list of usernames and their corresponding passwords for a website.
-  If it helps, we have a screenshot of a post that our person of interest made on a different site.
+  If it helps, we have a screenshot of a blog post that our person of interest made. 
+  Can you help us find their password?
 
   **author**: Sophia
 value: 100
@@ -19,7 +20,7 @@ flags:
 files:
   - users.txt
   - passwords.txt
-  - image.jpg
+  - image.png
 hints:
   - Can you use clues from the user's post to figure out what their other alias is?
   - The password of a user lies on the same line as their username.

diff --git a/chals/crypto/secret_salad/image.jpg b/chals/crypto/secret_salad/image.jpg
diff --git a/chals/crypto/secret_salad/image.png b/chals/crypto/secret_salad/image.png
diff --git a/chals/crypto/xor_101/message.txt b/chals/crypto/xor_101/message.txt