Class: Digest::MD5
| Relationships & Source Files | |
| Super Chains via Extension / Inclusion / Inheritance | |
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Class Chain:
self,
Digest_Base
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Instance Chain:
self,
Digest_Base
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| Inherits: |
Digest_Base
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| Defined in: | ext/digest/md5/md5init.c, ext/digest/md5/md5init.c |
Overview
A class for calculating message digests using the MD5
Message-Digest Algorithm by RSA Data Security, Inc., described in
RFC1321.
MD5 calculates a digest of 128 bits (16 bytes).
Examples
require 'digest'
Compute a complete digest
Digest::MD5.hexdigest 'abc' #=> "90015098..."
Compute digest by chunks
md5 = Digest::MD5.new # =>#Digest::MD5 md5.update "ab" md5 << "c" # alias for #update md5.hexdigest # => "90015098..."
Use the same object to compute another digest
md5.reset md5 << "message" md5.hexdigest # => "78e73102..."