THM Hashing Crypto 101 - grunt92/IT-Sec-WriteUps GitHub Wiki

Key Terms

Read the words, and understand the meanings!
Is base64 encryption or encoding?

encoding

What is a hash function?

What is the output size in bytes of the MD5 hash function?

16

Can you avoid hash collisions? (Yea/Nay)

Nay

If you have an 8 bit hash output, how many possible hashes are there?

256

Uses for hashing

Crack the hash "d0199f51d2728db6011945145a1b607a" using the rainbow table manually.

basketball

Crack the hash "5b31f93c09ad1d065c0491b764d04933" using online tools

tryhackme

Recognising password hashes

How many rounds does sha512crypt ($6$) use by default?

5000

What's the hashcat example hash (from the website) for Citrix Netscaler hashes?

1765058016a22f1b4e076dccd1c3df4e8e5c0839ccded98ea

How long is a Windows NTLM hash, in characters?

32

Password Cracking

I cracked all hashes by using this tool

Crack this hash: $2a$06$7yoU3Ng8dHTXphAg913cyO6Bjs3K5lBnwq5FJyA6d01pMSrddr1ZG

85208520

Crack this hash: 9eb7ee7f551d2f0ac684981bd1f1e2fa4a37590199636753efe614d4db30e8e1

halloween

Crack this hash:
$6$GQXVvW4EuM$ehD6jWiMsfNorxy5SINsgdlxmAEl3.yif0/c3NqzGLa0P.S7KRDYjycw5bnYkF5ZtB8wQy8KnskuWQS3Yr1wQ0

spaceman

Bored of this yet? Crack this hash: b6b0d451bbf6fed658659a9e7e5598fe

funforyou

Hashing for integrity checking

What's the SHA1 sum for the amd64 Kali 2019.4 ISO? http://old.kali.org/kali-images/kali-2019.4/

186c5227e24ceb60deb711f1bdc34ad9f4718ff9

What's the hashcat mode number for HMAC-SHA512 (key = $pass)?

1750

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