September 2015
Intermediate to advanced
527 pages
14h 8m
English
Content preview from Cloud Computing Networking
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247internet data transaCtion ProteCtion
functions such as Message Digest 5 (MD5) and Secure Hash Algorithm (SHA) to
carry out hashing tasks.
•
MD5: e MD5 hash function can generate a 128-bit (16-byte) hash value.
An MD5 hash value is typically a hexadecimal number.
•
SHA: SHA is a family of ve hash functions, SHA-1, SHA-224, SHA-256,
SHA-384, and SHA-512, published by the National Institute of Standards
and Technology (NIST). SHA-1 is a widely used hashing function that typi-
cally generates a 160-bit hash value.
A hash value can never be decrypted. erefore, hashing is also called one-way
encryption. is feature makes the hashing technology suitable for verifying integ-
rity. Hashing can also be used to verify passwords, identify duplicated data ...
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