Luke Sheppard's blog about information security, web development, and hacking 

Home Posts tagged "passwords"

SHA1 Hashes of Very Large Files

SHA-1 has been widely disparaged for security reasons, but it is just fine for checking file integrity. But like all things in computer science, when the files get really large

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Great discussion about passwords inside scripts

Here’s a link to a great discussion I started on Stack Exchange’s security site: How can I avoid putting the database password in a perl script? Here is the question

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SQL Queries for Plaintext Passwords

  If you find yourself in a database that stores passwords in plaintext, this handful of SQL queries might help you get a picture of how weak the passwords are

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Password key space complexity versus password length

It is weird to think that a 7 character all lowercase password is better than a 5 character alphanumeric with punctuation: 95^5 = 7,737,809,375 26^7 = 8,031,810,176 The seven character

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