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Security... Tip: Fondamentale sulla sicurezza


A User Agent, like a web browser, uses HTTP to request a HTML document



In programming the danger of exploring the small details of coding is that you get obsessed with every line of code you write, thereby greatly reducing productivity.
In general, is not worth obsessing over code.
On the other hand you should code with deliberation and intent. Steven Feurstein Oracle Magazine July /August 2004

A User Agent, like a web browser, uses HTTP to request a HTML document

Security

Home >Security > MD4, MD5 and SHA-1

Stampa  Stampa


The MD4, MD5 and SHA-1 algorithms are secure hash functions.
From a string input they produce a fixed size number (128 bits for MD4 and MD5 and 160 bits for SHA-1).
This number is a hash of the input - a small change in the input results in a substantial change in the output. The functions are thought to be secure, meaning that it would require an extreme amount of computing power to find a string which hashes to a chosen value.
In others words, it should be impossible to decrypt a secure hash.



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signal Marco Magnani marcomagnani@fishscript.com



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Anger is creative, depression is useless.
Dyson, Freeman J.


Anger is creative, depression is useless.
Dyson, Freeman J.


Security... Citazioni: Sicurezza

Security... Definizioni: A secure hash

Oracle... Definizioni: SCN


Shell scripting... Script: Array in do while construct



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Nicoleta e Marco Magnani tutorial, examples, courses, esempi, corsi, esercizi, appunti vari Dottoressa Nicoleta Dragu Formatrice Docente Insegnante Mediatrice Culturale Dott. Marco Magnani Universita La Sapienza Roma Master Computer Science Hunter College New York , Data Base Administrator DBA oracle System architect

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