A hash is a mathematical function that converts an input of arbitrary length into an encrypted output of a fixed length. Thus, regardless of the original amount of data or file size involved, its ...

Learn More. Security researchers at Google and the CWI Institute in Amsterdam have found a way to crack the Secure Hash Algorithm-1 (SHA-1) cryptographic function.

A method for ensuring that data have not been altered. A hash total is the numerical sum of one or more fields in a file, including data not normally used in calculations, such as account number ...