October 17, 2020: question brushing 1

BUUCTF-crypto 0-10

I am ctf A little white , Recently, I fell in love with cryptography , therefore , Summarize some simple questions , The specific steps will not be repeated , If necessary , You can comment on , I'll fill in the specific steps when I have time .
0. MD5
Direct use MD5 Decryption tool cracking . One step in place ！
Online tools ：https://www.cmd5.com/

1.URL code
You can crack it directly with tools . One step in place ！
Tools ：https://github.com/0Linchen/CTFCrackTools

2. Decrypt at a glance

It was decrypted at a glance , A see be base64. One step in place ！
Online tools ：https://www.qtool.net/baseencode

3. Watch me spin


My first impression is the Caesar code , Why? ？ First, let's look at the... In front of the string synt yes 4 Characters ,flag It's also 4 Characters , The entire string and flag In a similar form , It should be an alternative password , Try Caesar ：
Tools ：https://github.com/0Linchen/CTFCrackTools （ Same as 1）

EH , Sure enough .
4. mousse
The title is very clear , It's the Morse code . Tools are in place in one step .
Tools ：（ ditto ）/（ You can also search online ）

5.[BJDCTF 2nd] Sign in -y1ng
Sign in problem , Look at the question , direct base64. One step in place ！

6.password
Direct Decipherment ：flag{zs19900315} Just brush more questions .

7.Quoted-printable
Look at the title to answer .

8.Rabbit
Look at the title to answer
9. The shadow of the fence
Bamboo fence , Fence code . One step in place ！

10.RSA
It's very simple , Just for d, One step in place ！

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