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Time: 2008-11-21, 10:19pm
Irreversible encryption
Subject: Irreversible encryption  ·  Posted: 2003-11-19, 12:22pm
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Member #: 9404
I'm searching for an algo to improve my authentication security libs. Currently thinking of MD5. Before I get into the math, is there any better option I could consider?

- AlternateLifeform
 
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Subject: Re: Irreversible encryption  ·  Posted: 2003-11-20, 12:41am
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Well, for PHP there is:

MD5(), SHA1(), crypt() ....



A guy gets on a bus and starts threatening everybody: "I'll integrate you! I'll differentiate you!!!" So everybody gets scared and runs away. Only one person stays. The guy comes up to him and says: "Aren't you scared, I'll integrate you, I'll differentiate you!!!" And the other guy says: "No, I am not scared, I am e to the power of x."
 
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Subject: Re: Irreversible encryption  ·  Posted: 2003-11-20, 01:59am
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Member #: 9404
All those are built in functions? . . . I really should learn PHP! I don't know of any standard C/C++ library functions that implement encryption algo's.

I found this white paper on SHA at www.cryptography.com. Have not read it yet. . . Crypt seems to have multiple implementations.

- AlternateLifeform
 
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Subject: Re: Irreversible encryption  ·  Posted: 2003-11-20, 03:48am
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Yes, those are built in.

Some hosts/servers also support the mcrypt() function which can do about ten more algorithms.

For internet scripting, PHP is the best. C/C++, Perl, and VB were not designed for use on the internet.
Add to that, PHP is very easy to learn.

A guy gets on a bus and starts threatening everybody: "I'll integrate you! I'll differentiate you!!!" So everybody gets scared and runs away. Only one person stays. The guy comes up to him and says: "Aren't you scared, I'll integrate you, I'll differentiate you!!!" And the other guy says: "No, I am not scared, I am e to the power of x."
 
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Subject: Re: Irreversible encryption  ·  Posted: 2003-11-20, 02:04pm
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Member #: 9832
 AlternateLifeform
I don't know of any standard C/C++ library functions that implement encryption algo's.

I don't either, but you might want to check http://www.eskimo.com/~weidai/cryptlib.html

Seems to contain pretty much everything, I haven't used it anywhere yet but I'm planning to...



Chaos reigns within - Reflect, repent, and reboot - Order shall return
 
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Subject: Re: Irreversible encryption  ·  Posted: 2003-11-20, 08:50pm
Rank: Unregistered
That is one HUGE library Cryptdoc! It'll save me a lot of effort. Thanks a million.
- Alternate.
 
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