digest v0.4.0

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Create cryptographic hash digests of R objects

The digest package provides functions for the creation of `hash' digests of arbitrary R objects using the md5, sha-1, sha-256 and crc32 algorithms permitting easy comparison of R language objects. The md5 algorithm by Ron Rivest is specified in RFC 1321, the SHA-1 and SHA-256 algorithms are specified in FIPS-180-1 and FIPS-180-2, and the crc32 algorithm is described in ftp://ftp.rocksoft.com/cliens/rocksoft/papers/crc_v3.txt. For md5, sha-1 and sha-256, this packages uses small standalone C implementations that were provided by Christophe Devine. For crc32, code from the zlib library is used. Please note that this package is not meant to be deployed for cryptographic purposes for which more comprehensive (and widely tested) libraries such as OpenSSL should be used.

Functions in digest

Name Description
digest Create hash function digests for arbitrary R objects
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Date $Date: 2007/09/28 17:54:44 $
License GPL-2
URL http://dirk.eddelbuettel.com/code/digest.html
Packaged 2009-09-24 03:12:06 UTC; edd
Repository CRAN
Date/Publication 2009-09-24 06:31:55

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