Crypto README fixed

Cryptography/README.md

@@ -193,38 +193,44 @@ Nzk0czAwIHRueXMgZmhidnByZWMgZWhiIHNiIGdlbmMgcWV2dWcgcnVnIGhibCBnYXJmcmVjIFYgbG9y
 'oubWYf2kBq'
 ```
 
-#### Hexadecimal:
+#### Hexadecimal & ASCII:
 
 
+Hex character codes are simply the hexadecimal (base 16) numbers for the ASCII character set; that is, the number-to-letter Representations which comprise virtually all computer text.
+
 - [ASCII Conversion Table](http://defindit.com/ascii.html)
 - [Convert All](http://www.asciitohex.com/)
 - [GREAT ASCII CHART](http://www.jimprice.com/jim-asc.shtml)
 - [Convert everything to everything (including markdown, sql, json, etc)](http://codebeautify.org/)
 
 
-- Decimal to hex:
+- ASCII to hex:
 
 ```python
 >>> s =hex(secret)
 ```
 
-- Hexadecimal to binary:
+- the inverse:
+
 ```python
-SECRET.decode('hex')
+secret2.decode('hex')
 '==QcCtmMml1ViV3b'
 ```
 
+- you can also do from the command line:
+
 ```
 $ python -c 'print "2f722f6e6574736563".decode("hex")'
 ```
 
-- Hex to ascii:
+- Using xxd:
-Hex character codes are simply the hexadecimal (base 16) numbers for the ASCII character set; that is, the number-to-letter representations which comprise virtually all computer text.
-
 
 ```
 $ xxd -r -p <<< 2f722f6e6574736563
 ```
+
+### Binary
+
 - Decimal to binary
 
 ```python
@@ -233,9 +239,8 @@ $ xxd -r -p <<< 2f722f6e6574736563
 ```
 
 #### Octal
-(or: a great way of obscurating a URL)
 
-Example: http://017700000001 --> 127.0.0.1
+Commonly used in obscuration of URLs. Example: http://017700000001 --> 127.0.0.1
 
 
 ## OpenSSL, Encoding and Certificates