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Author Archives: fsormok
Ruby of wisdom
Hello.rb #!/usr/bin/ruby puts ‘Hello World!” Classes Ruby knows the following classes: Integer Float String Methods A method is something you can do with a class. foo.to_i convert to integer foo.to_f convert to float foo.to_s convert to string Variables Warnung: Variablennamen … Continue reading
Posted in Programing, Ruby
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About Hashes Keys and Ciphers
Contents 1 Hashes 1.1 General 1.2 Different encryptions and lenght 2 Algorithm 2.1 MD5 – Message Digest #5 2.2 SHA-1 – Secure Hash Algorithm 2.3 RIPEMD-160 3 Collisions 4 Encryption Methods 4.1 Symmetric key cryptography 4.1.1 Stream ciphers 4.1.2 Block … Continue reading
Posted in Security
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Passwords and Hashes
Contents 1 Standart UNIX password Algorithm 2 UNIX password with MD5 3 Default Password List Standart UNIX password Algorithm # openssl OpenSSL> passwd -salt AZ 1234 asdf AZ5UX/WUk0r0o AZoDBbyg9a6sg Comment: Same password with the same salt = same hash UNIX … Continue reading
Posted in Security
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Cisco Password Recovery Procedures
Contents 1 Cisco Router 1.1 Password Recovery Cisco Router 1.1.1 Cisco 160x Series 1.1.2 Cisco 250x Series 1.2 The Recovery-Procedure 2 Cisco Switches 2.1 Password Recovery Cisco 3500XL 2.1.1 COM Terminal Settings 2.1.2 Booting the switch 2.1.3 Resetting Config 2.1.4 … Continue reading
Posted in Security
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