Is there a repeatable one-way hash function in R? I'd use
hashlib in Python:
hashlib.sha224("This is my input").hexdigest()
If you have the
digest pacakge installed, you can do
digest::digest("This is my input") #  "2e936bb276abca8a9e46bd32c7bdc01e"
(by default the result is returned as ASCII hex values). See the
?digest help page for a list of supported hashing algorithms.
You might want to have a look at the