feat(wpcarro/scratch): Upload my solutions to cryptopals

More beginner problems/solutions for CTF-style challenges.

Change-Id: Ide229e99e3ccc1ede5a5ca1c2ad039498e49ea4c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4740
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI

users/wpcarro/scratch/cryptopals/set1/c1.py

@@ -0,0 +1,19 @@
+from base64 import b64encode
+
+################################################################################
+# Challenge 1
+################################################################################
+
+def hex_to_base64(x):
+    parsed = bytearray.fromhex(x)
+    print(parsed.decode()) # easter egg
+    return b64encode(parsed).decode()
+
+run_tests = False
+if run_tests:
+    actual = hex_to_base64("49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d")
+    expect = "SSdtIGtpbGxpbmcgeW91ciBicmFpbiBsaWtlIGEgcG9pc29ub3VzIG11c2hyb29t"
+
+    print(actual)
+    assert actual == expect
+    print("Success!")