anonymous {popstudy}

anonymous

Description

Anonymizing a data frame by avoiding vulnerability to a rainbow table attack.

Usage

anonymous(data, ID, string_length = 15, SEED = NULL)

Arguments

data

data.frame. A dataset with the a variable to change its values.

ID

character. A string with the variable name to change its values.

string_length

numeric. It defines the string length of the new identification variable.

SEED

to be passed to set.seed to keep the the same new id's.

Value

anonymous function returns a list with two data frames:

data

original data with the new variable

dictionary

data frame with the original variable and the new one

Author(s)

Cesar Gamboa-Sanabria

References

Oechslin P (2003). “Making a Faster Cryptanalytic Time-Memory Trade-Off.” In Boneh D (ed.), Advances in Cryptology - CRYPTO 2003, 617–630. ISBN 978-3-540-45146-4.

Examples

library(dplyr)
df <- select(mutate(mtcars, id=rownames(mtcars)), id, !contains("id"))
anonymous(df, ID="id", string_length = 5, SEED=160589)