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## ---- echo = FALSE, message = FALSE--------------------------------------
knitr::opts_chunk$set(comment = "")
library(openssl)
## ------------------------------------------------------------------------
md5("foo")
md5(charToRaw("foo"))
## ------------------------------------------------------------------------
# Vectorized for strings
md5(c("foo", "bar", "baz"))
## ------------------------------------------------------------------------
# Stream-hash a file
myfile <- system.file("CITATION")
md5(file(myfile))
## ----eval=FALSE----------------------------------------------------------
# # Stream-hash from a network connection
# md5(url("http://cran.us.r-project.org/bin/windows/base/old/3.1.1/R-3.1.1-win.exe"))
## ------------------------------------------------------------------------
# Compare to digest
library(digest)
digest("foo", "md5", serialize = FALSE)
# Other way around
digest(cars, skip = 0)
md5(serialize(cars, NULL))
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