Merge branch 'master' of github.com:failedxyz/easyctf

diffie-culter/description.md

@@ -1 +0,0 @@
-I just intercepted some more odd [messages.txt](${messages_txt}). It appears to be a Diffie-hellman protocol, but my math isn't good enough to figure out what the final shared key is. Help! (The answer is a number. There is no easyctf{})

diffie-culter/grader.py

@@ -1,4 +0,0 @@
-def grade(autogen, answer):
-	if answer == ("906730649345"):
-		return True, "Correct!"
-	return False, "Nope, try again."

diffie-culter/messages.txt

@@ -1,4 +0,0 @@
-g^a mod p = 791868216278
-g^b mod p = 722955066776
-
-p = 986314922069

match-me/grader.py

@@ -1,4 +1,4 @@
 def grade(autogen, key):
-    if key.find("fe18ebaf381a63b3bf6a76cadcaaeb6e") != -1:
+    if key.find("51cacb0258b7862d646964c0da7c6125") != -1:
         return True, "Correct!"
     return False, "Nope!"

match-me/problem.yml

@@ -1,6 +1,6 @@
 author: GenericNickname
 title: Match Me
-hint: This is a fairly well-known graph problem. There is probably some sort of internet source on it.
+hint: This is a fairly well-known graph problem. I would guess there is some sort of internet source on it.
 category: Programming
 autogen: false
 programming: false

rsa4/description.md

@@ -0,0 +1 @@
+After doing so much RSA, I finally messed up.... pls help. I encrypted my secret [message]($rsa4) but the decryption isn't working!!

rsa4/grader.py

@@ -0,0 +1,4 @@
+def grade(autogen, key):
+    if key.find("m0dul4r_fuN!") != -1:
+        return True, "Thanks!"
+    return False, "Nope. You've failed me :("

rsa4/problem.yml

@@ -1,8 +1,9 @@
-title: Diffie-culter
 author: arxenix
+title: RSA 4
+hint: Why won't it decrypt?
 category: Cryptography
 autogen: false
 programming: false
-value: 140
+value: 200
 files:
-  - messages.txt
+  - rsa4

rsa4/rsa4

@@ -0,0 +1,6 @@
+p= 13013195056445077675245767987987229724588379930923318266833492046660374216223334270611792324721132438307229159984813414250922197169316235737830919431103659
+q= 12930920340230371085700418586571062330546634389230084495106445639925420450591673769061692508272948388121114376587634872733055494744188467315949429674451947
+
+e= 100
+
+C= 2536072596735405513004321180336671392201446145691544525658443473848104743281278364580324721238865873217702884067306856569406059869172045956521348858084998514527555980415205217073019437355422966248344183944699168548887273804385919216488597207667402462509907219285121314528666853710860436030055903562805252516

tiny-eval/grader.py

@@ -1,4 +1,4 @@
 def grade(autogen, key):
-    if key.find("it's_2017_who_still_uses_php?(jk_82.5%_of_websites)") != -1:
+    if key.find("it's_2017_anD_we're_still_using_PHP???") != -1:
         return True, "You got it!"
     return False, "Nope. Keep poking around."

web-tunnel/description.md

@@ -0,0 +1 @@
+I was just going to search some random cat videos on a Saturday morning when my friend came up to me and told me to reach the end of this [tunnel](http://tunnel.web.easyctf.com). Can you do it for me?

web-tunnel/grader.py

@@ -0,0 +1,4 @@
+def grade(autogen, key):
+    if key.find("y0u_sh0uld_b3_t1r3d_tr4v3ll1ng_all_th1s_w4y") != -1:
+        return True, "Nice job! Your journey was fruitful!"
+    return False, "Nope. Dig deeper."

web-tunnel/problem.yml

@@ -0,0 +1,7 @@
+title: Web Tunnel
+author: dududum561
+hint: You should write a script for this. The tunnel goes on too deep for any normal human.
+category: Web
+autogen: false
+programming: false
+value: 260