Python Cryptography Tools - Revision history

Scott at 00:15, 9 February 2024

2024-02-09T00:15:08Z

@@ Line 29: / Line 29: @@
 decoded_hex2 = bytes.fromhex("686974207468652062756c6c277320657965")
 xor_result = bytes(a ^ b for a, b in zip(decoded_hex1, decoded_hex2))
 </pre>

Scott at 00:13, 9 February 2024

2024-02-09T00:13:05Z

← Older revision		Revision as of 00:13, 9 February 2024
Line 23:		Line 23:

	[https://en.wikipedia.org/wiki/Base64 Base64] uses 64 characters (and a padding symbol) to represent numbers in groups of six bits. These don't line up nicely with sequences of bytes.		[https://en.wikipedia.org/wiki/Base64 Base64] uses 64 characters (and a padding symbol) to represent numbers in groups of six bits. These don't line up nicely with sequences of bytes.

			== XOR ==
			<pre>
			decoded_hex1 = bytes.fromhex("1c0111001f010100061a024b53535009181c")
			decoded_hex2 = bytes.fromhex("686974207468652062756c6c277320657965")
			xor_result = bytes(a ^ b for a, b in zip(decoded_hex1, decoded_hex2))
			</pre>

Scott at 23:52, 8 February 2024

2024-02-08T23:52:45Z

← Older revision		Revision as of 23:52, 8 February 2024
Line 22:		Line 22:
	</pre>		</pre>

	Base64 uses 64 characters (and a padding symbol) to represent numbers in groups of six bits. These don't line up nicely with sequences of bytes.		[https://en.wikipedia.org/wiki/Base64 Base64] uses 64 characters (and a padding symbol) to represent numbers in groups of six bits. These don't line up nicely with sequences of bytes.

	~~[https://en.wikipedia.org/wiki/Base64 Base64 - Wikipedia]~~

Scott: /* Converting to Bytes */

2024-02-08T23:51:59Z

Converting to Bytes

← Older revision		Revision as of 23:51, 8 February 2024
Line 21:		Line 21:
	b'OTU2MTY='		b'OTU2MTY='
	</pre>		</pre>

			Base64 uses 64 characters (and a padding symbol) to represent numbers in groups of six bits. These don't line up nicely with sequences of bytes.

			[https://en.wikipedia.org/wiki/Base64 Base64 - Wikipedia]

Scott at 23:36, 8 February 2024

2024-02-08T23:36:40Z

@@ Line 9: / Line 9: @@
 >>> base64.b64encode(95616)
 TypeError: a bytes-like object is required, not 'int'
 </pre>

Scott: /* Encoding */

2024-02-08T23:18:18Z

Encoding

← Older revision		Revision as of 23:18, 8 February 2024
Line 8:		Line 8:
	>>> import base64		>>> import base64
	>>> base64.b64encode(95616)		>>> base64.b64encode(95616)
	~~...~~
	TypeError: a bytes-like object is required, not 'int'		TypeError: a bytes-like object is required, not 'int'
	</pre>		</pre>

Scott: Created page with "== Encoding == Integers can be '''encoded''' as either binary, decimal, hexadecimal, or Base64 (among others).

 >>> bin(95616) '0b10111010110000000' >>> hex(95616) '0x17580' >>> import base64 >>> base64.b64encode(95616) ... TypeError: a bytes-like object is required, not 'int'

2024-02-08T23:17:57Z

Created page with "== Encoding == Integers can be '''encoded''' as either binary, decimal, hexadecimal, or Base64 (among others). <pre> >>> bin(95616) '0b10111010110000000' >>> hex(95616) '0x17580' >>> import base64 >>> base64.b64encode(95616) ... TypeError: a bytes-like object is required, not 'int' </pre>"

New page

== Encoding ==
Integers can be '''encoded''' as either binary, decimal, hexadecimal, or Base64 (among others).
<pre>
>>> bin(95616)
'0b10111010110000000'
>>> hex(95616)
'0x17580'
>>> import base64
>>> base64.b64encode(95616)
...
TypeError: a bytes-like object is required, not 'int'
</pre>