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20_cryptography.md

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Cryptography

Useful tool

  • Hash Identifier https://www.onlinehashcrack.com/hash-identification.php
  • Hash-identifier (CLI)
  • Hash Crack
    https://crackstation.net/
    https://hashes.com/en/decrypt/hash
  • Hashcat
    Hashcat -a 3 -m 900 hash.txt /rockyou.txt
    -m hashtype
    900 md4
    1000 NTLM
    1800 SHA512CRYPT
    110 SHA1 with SALT HASH
    0 MD5
    100 SHA1
    1400 SHA256
    3200 BCRYPT
    160 HMAC-SHA1
  • John
    1. First analyze hash type - john hashfile.hash
    2. Then crack hash - john hashfile.hash --wordlist=/usr/share/wordlists/rockyou.txt --format=Raw-SHA1
    3. Show the cracked password - john --show --format=Raw-SHA1 hashfile.hash OR `john --show hashfile.hash

Encrypt the information using various cryptography tools

  • Calculate one-way hashes using HashCalc
    windows application

  • Calculate MD5 hashes using MD5 Calculator
    windows application

  • Calculate MD5 hashes using HashMyFiles
    windows software (nirsoft)

  • Perform file and text message encryption using CryptoForge
    windows software

  • Perform file encryption using Advanced Encryption Package
    windows software

  • Encrypt and decrypt data using BCTextEncoder
    windows software

Create a self-signed certificate

  • Create and use self-signed certificates
    from iis console

Perform email encryption

Perform disk encryption

  • Perform disk encryption using VeraCrypt
    windows software

    1. Create Volume
    2. Create an encrypted file container
    3. Standard VeraCrypt volume
    4. AES/SHA-512

  • Perform disk encryption using BitLocker Drive Encryption

  • Perform disk encryption using Rohos Disk Encryption windows software

Perform cryptanalysis using various cryptanalysis tools

  • Perform cryptanalysis using CrypTool windows software

  • Perform cryptanalysis using AlphaPeeler windows software