CTFs and solutions

openssl-enc/guess.py

@@ -0,0 +1,50 @@
+import os
+cipher_names = [
+    "AES-128-CBC",
+    "AES-192-CBC",
+    "AES-256-CBC",
+    "AES-128-CTR",
+    "AES-192-CTR",
+    "AES-256-CTR",
+    "AES-128-GCM",
+    "AES-192-GCM",
+    "AES-256-GCM",
+    "DES-CBC",
+    "DES-EDE3-CBC",
+    "ChaCha20-Poly1305",
+    "Camellia-128-CBC",
+    "Camellia-192-CBC",
+    "Camellia-256-CBC",
+    "Camellia-128-CTR",
+    "Camellia-192-CTR",
+    "Camellia-256-CTR",
+    "BF-CBC", # Blowfish
+    "BF-CFB", # Blowfish
+    "BF-OFB", # Blowfish
+    "BF-ECB", # Blowfish
+    "CAST5-CBC", # CAST5
+    "CAST5-CFB", # CAST5
+    "CAST5-OFB", # CAST5
+    "CAST5-ECB", # CAST5
+    "IDEA-CBC", # IDEA
+    "IDEA-CFB", # IDEA
+    "IDEA-OFB", # IDEA
+    "IDEA-ECB", # IDEA
+    "RC2-CBC", # RC2
+    "RC2-CFB", # RC2
+    "RC2-OFB", # RC2
+    "RC2-ECB", # RC2
+    "RC4", # RC4 (stream cipher)
+    "ARIA-128-CBC", #ARIA
+    "ARIA-192-CBC", #ARIA
+    "ARIA-256-CBC", #ARIA
+    "ARIA-128-CTR", #ARIA
+    "ARIA-192-CTR", #ARIA
+    "ARIA-256-CTR", #ARIA
+    "ARIA-128-GCM", #ARIA
+    "ARIA-192-GCM", #ARIA
+    "ARIA-256-GCM", #ARIA
+]
+
+for i in cipher_names:
+    os.system("./guess.exe guessalgo.enc "+i)