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Name	Size	Permission	Date
Base	[ DIR ]	drwxr-xr-x	2026-05-01 04:24
Class	[ DIR ]	drwxr-xr-x	2026-05-01 04:24
HMAC	[ DIR ]	drwxr-xr-x	2026-05-01 04:24
Instance	[ DIR ]	drwxr-xr-x	2026-05-01 04:24
cdesc-Digest.ri	2.25 KB	-rw-r--r--	2023-07-26 17:26
hexencode-c.ri	302 B	-rw-r--r--	2023-07-26 17:26

Rename

U:RDoc::NormalModule[iI"Digest:ET@0o:RDoc::Markup::Document:@parts[o;;[o:RDoc::Markup::Paragraph;[I"CThis module provides a framework for message digest libraries.;To:RDoc::Markup::BlankLine�o;	;[I"HYou may want to look at OpenSSL::Digest as it supports support more;TI"algorithms.;T@o;	;[	I"NA cryptographic hash function is a procedure that takes data and return a;TI"Nfixed bit string : the hash value, also known as _digest_. Hash functions;TI"Kare also called one-way functions, it is easy to compute a digest from;TI"Ia message, but it is infeasible to generate a message from a digest.;T@S:RDoc::Markup::Heading:
leveli:	textI"Example;T@o:RDoc::Markup::Verbatim;[I"require 'digest'
;FI"
;FI"!# Compute a complete digest
;FI"!sha256 = Digest::SHA256.new
;FI"$digest = sha256.digest message
;FI"
;FI" # Compute digest by chunks
;FI"!sha256 = Digest::SHA256.new
;FI"sha256.update message1
;FI"4sha256 << message2 # << is an alias for update
;FI"
;FI"digest = sha256.digest
;FS;;i;
I"Digest algorithms;T@o;	;[I"DDifferent digest algorithms (or hash functions) are available :;T@o:RDoc::Markup::List:
@type:	NOTE:@items[	o:RDoc::Markup::ListItem:@labelI"	HMAC;T;[o;	;[I"GSee FIPS PUB 198 The Keyed-Hash Message Authentication Code (HMAC);To;;I"RIPEMD-160;T;[o;	;[I"(as Digest::RMD160) see;TI";http://homes.esat.kuleuven.be/~bosselae/ripemd160.html;To;;I"	SHA1;T;[o;	;[I"&See FIPS 180 Secure Hash Standard;To;;I"SHA2 family;T;[o;	;[I"NSee FIPS 180 Secure Hash Standard which defines the following algorithms:;To;;:BULLET;[o;;0;[o;	;[I"SHA512;To;;0;[o;	;[I"SHA384;To;;0;[o;	;[I"SHA256;T@o;	;[I"DThe latest versions of the FIPS publications can be found here:;TI"4http://csrc.nist.gov/publications/PubsFIPS.html;T@o;	;[I"HAdditionally Digest::BubbleBabble encodes a digest as a sequence of;TI"Kconsonants and vowels which is more recognizable and comparable than a;TI"Ghexadecimal digest.  See http://en.wikipedia.org/wiki/Bubblebabble;T:
@fileI"ext/digest/digest.c;T;0[�[�[�[[I"
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