password crack cheat sheet

password crack cheat sheet

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#Gemini

let's calculate the estimated cracking time for an 8-character password with only lowercase alphabetical characters.

Number of possible characters:

We have lowercase alphabets (a-z), which is 26 characters.
Password Length:

The password length is 8 characters.
Total possible combinations:

Each character slot can have 26 options (lowercase letters).
Therefore, the total number of possible passwords is: 26 (characters) ^ 8 (length)
This equals 26 * 26 * 26 * 26 * 26 * 26 * 26 * 26 = 208,827,064,576 (approximately 208 billion).

Scenario 1: Slow Attack (100 guesses per second):

Cracking time = Total combinations / Guessing Speed
Cracking time = 208,827,064,576 guesses / 100 guesses/second
Cracking time = 2,088,270,645.76 seconds
Converting to days: Cracking time = 2,088,270,645.76 seconds / (60 seconds/minute * 60 minutes/hour * 24 hours/day)
Cracking time ≈ 24.17 years

Scenario 2: Moderate Attack (10,000 guesses per second):

Cracking time ≈ 241.7 days
Scenario 3: Fast Attack (1,000,000 guesses per second):

Cracking time ≈ 2.42 days

Remember:

These are estimations. Attackers can leverage powerful machines and techniques to improve their guess rate significantly.
Using a password with more character types (uppercase letters, numbers, symbols) and a longer length dramatically increases the cracking time.
Here are some additional points to consider:

Rainbow tables: Pre-computed tables can be used to crack passwords faster, although this approach is less common for complex passwords.
Hashing algorithms: Modern systems store passwords as one-way hashes, making it difficult to retrieve the original password even if cracked.

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