How do you do authentication with message digest(MD5)? (Usually MD is used for finding tampering of data)

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jennyahwu

  • Feb 8th, 2006
 

the unique number will be generated by MD5, if it is tamped with someone, the value will be changed so you know you are tampered

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KG

  • Oct 16th, 2007
 

MD5 is a cryptographic hash function with a 128-bit hash value output. It is used to check the integrity of files/input. An MD5 hash is expressed as a 32-character hex number.It takes the variable-length input and converts it into a fixed length output of 128-bits called as MD5 hash. It is a one-way hash function. Any change in the message would result in a completely different hash. Hence, the message (input/password etc.) would fail the authentication process if they are incorrect or altered in any way.Thanks.

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