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Excel - Formula or code to determine a random Hexadecimal string based on a particular value

Last Modified: 2015-04-06
In the attached workbook, a UDF was coded to generate a numerical value, based upon a character string.  Part 2 would actually be the reverse.  If one has a numerical value, then what random 16 character hexadecimal string would = a numeric value.  This doesn't have to be directly related to the values generated within the UDF, in fact, it shouldn't be.  The reason for wanting a random 16 character hexadecimal string is that any number of 16 character strings could equal a particular value.

For example:
If there is numerical value that equals 65, then that value would translate into any number of 16 digit Hexadecimal characters (0-F). The 16 digit string 80201BA30A910532 equals the number 65.  But, as can be seen, any number of characters could have been used to satisfy the 65 value...that's why a random 16 digit string that equals a particular number is desired.

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