cryptopals

commit daa64a220b5597935d2bacf48e839fc46618cf64
parent 158c922afe7b6d1d73d5eec7c165fff80948b59b
Author: Jared Tobin <jared@jtobin.ca>
Date:   Mon, 28 Aug 2017 21:28:34 +1200

Updates.

Diffstat:
M
docs/s1.md
 | 
21
+++++++++++----------

1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/docs/s1.md b/docs/s1.md
@@ -149,7 +149,7 @@ I like openssl, heck the rules:
     I'm back and I'm ringin' the bell
     A rockin' on the mike while the fly girls yell
 
-Alternatively:
+Alternatively, with code:
 
     $ cat data/s1/q7_input.txt | tr -d '\n' | ./bin/aes_ecb \
         --key "YELLOW SUBMARINE" | head -2
@@ -158,16 +158,17 @@ Alternatively:
 
 #### 1.8
 
-    $ cat data/s1/q8_input.txt | parallel \
-        'echo -n {} | ./bin/chunks 8 | printf "%.10s %u\n" {} \
-          $(datamash countunique 1)' | awk '{ if ($2 < 20) { print }; }'
-    d880619740 14
-
-So, the line starting with 'd880619740' - line 133.
-
-**Background**:
-
 ECB means electronic codebook, the simplest block cipher encryption mode.  One
 divides a message into 16-byte chunks and then encrypts each chunk separately.
 The same 16 bytes will thus encrypt to the same output.
 
+    $ cat data/s1/q8_input.txt | parallel \
+        'echo -n {} | ./bin/chunks 8 | \
+        printf "%s %u\n" {} $(datamash countunique 1)' | \
+        awk '{ if ($2 < 20) { print $1 }; }' | fold -w 64
+    d880619740a8a19b7840a8a31c810a3d08649af70dc06f4fd5d2d69c744cd283
+    e2dd052f6b641dbf9d11b0348542bb5708649af70dc06f4fd5d2d69c744cd283
+    9475c9dfdbc1d46597949d9c7e82bf5a08649af70dc06f4fd5d2d69c744cd283
+    97a93eab8d6aecd566489154789a6b0308649af70dc06f4fd5d2d69c744cd283
+    d403180c98c8f6db1f2a3f9c4040deb0ab51b29933f2c123c58386b06fba186a
+