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63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/* $RoughId: sha1init.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
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/* $Id$ */
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#include <ruby/ruby.h>
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#include "../digest.h"
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#if defined(SHA1_USE_COMMONDIGEST)
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#include "sha1cc.h"
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#else
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#include "sha1.h"
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#endif
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static const rb_digest_metadata_t sha1 = {
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RUBY_DIGEST_API_VERSION,
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SHA1_DIGEST_LENGTH,
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SHA1_BLOCK_LENGTH,
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sizeof(SHA1_CTX),
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(rb_digest_hash_init_func_t)SHA1_Init,
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(rb_digest_hash_update_func_t)SHA1_Update,
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(rb_digest_hash_finish_func_t)SHA1_Finish,
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};
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/*
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* Document-class: Digest::SHA1 < Digest::Base
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* A class for calculating message digests using the SHA-1 Secure Hash
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* Algorithm by NIST (the US' National Institute of Standards and
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* Technology), described in FIPS PUB 180-1.
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*
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* See Digest::Instance for digest API.
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*
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* SHA-1 calculates a digest of 160 bits (20 bytes).
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*
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* == Examples
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* require 'digest'
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*
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* # Compute a complete digest
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* Digest::SHA1.hexdigest 'abc' #=> "a9993e36..."
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*
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* # Compute digest by chunks
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* sha1 = Digest::SHA1.new # =>#<Digest::SHA1>
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* sha1.update "ab"
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* sha1 << "c" # alias for #update
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* sha1.hexdigest # => "a9993e36..."
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*
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* # Use the same object to compute another digest
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* sha1.reset
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* sha1 << "message"
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* sha1.hexdigest # => "6f9b9af3..."
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*/
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void
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Init_sha1(void)
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{
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VALUE mDigest, cDigest_Base, cDigest_SHA1;
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#if 0
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mDigest = rb_define_module("Digest"); /* let rdoc know */
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#endif
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mDigest = rb_digest_namespace();
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cDigest_Base = rb_path2class("Digest::Base");
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cDigest_SHA1 = rb_define_class_under(mDigest, "SHA1", cDigest_Base);
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rb_iv_set(cDigest_SHA1, "metadata", rb_digest_make_metadata(&sha1));
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}
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