RE: MD5 Vs SHA1

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Beta Maj SAJChurchey

They are both one-way hashing (Digest) algorithms. Meaning that you enter your input (i.e. password, file) and you get what is hopefully a unique hash. It is used to hide this information in transit and in files on systems. MD5 in particular is commonly used to verify that a file was not corrupted or tampered with in transfer, a checksum.

When you enter your password into a system, if it stores your password with one of these hashes, it will run your password through the algorithm and see if it matches with the digest (the output) that it has in its file.

This is how the algorithms are similar, they are different in how they implement this process, and I'm not really keen on the particulars of that.

I guess SHA-1 would be more secure? However, both have been broken so I don't believe either can really be considered secure.

Maj SAJChurchey

X/O of OSI
C/O of Editorial
OSI Volund Representative
CyberArmy Staff-in-Training
SNEAK Coder

Replies:

MD5 Vs SHA1 - Rec slim2505 2008-06-20 01:24:44
- RE: MD5 Vs SHA1 - Alpha Cpt MaDvLaD 2008-06-29 17:54:29
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- >RE: MD5 Vs SHA1 - Beta Maj SAJChurchey 2008-06-20 01:50:58 <

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Message:	On 2008-06-20 01:50:58, SAJChurchey wrote >They are both one-way hashing (Digest) algorithms. Meaning that you enter your input (i.e. password, file) and you get what is hopefully a unique hash. It is used to hide this information in transit and in files on systems. MD5 in particular is commonly used to verify that a file was not corrupted or tampered with in transfer, a checksum. > >When you enter your password into a system, if it stores your password with one of these hashes, it will run your password through the algorithm and see if it matches with the digest (the output) that it has in its file. > >This is how the algorithms are similar, they are different in how they implement this process, and I'm not really keen on the particulars of that. > >I guess SHA-1 would be more secure? However, both have been broken so I don't believe either can really be considered secure.
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