Ruby: ext/digest/sha1/sha1init.c Source File

00001 /* $RoughId: sha1init.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
00002 /* $Id: sha1init.c 52797 2015-11-30 12:08:16Z usa $ */
00003 
00004 #include <ruby/ruby.h>
00005 #include "../digest.h"
00006 #if defined(HAVE_OPENSSL_SHA_H)
00007 #include "sha1ossl.h"
00008 #else
00009 #include "sha1.h"
00010 #endif
00011 
00012 static const rb_digest_metadata_t sha1 = {
00013     RUBY_DIGEST_API_VERSION,
00014     SHA1_DIGEST_LENGTH,
00015     SHA1_BLOCK_LENGTH,
00016     sizeof(SHA1_CTX),
00017     (rb_digest_hash_init_func_t)SHA1_Init,
00018     (rb_digest_hash_update_func_t)SHA1_Update,
00019     (rb_digest_hash_finish_func_t)SHA1_Finish,
00020 };
00021 
00022 /*
00023  * A class for calculating message digests using the SHA-1 Secure Hash
00024  * Algorithm by NIST (the US' National Institute of Standards and
00025  * Technology), described in FIPS PUB 180-1.
00026  */
00027 void
00028 Init_sha1()
00029 {
00030     VALUE mDigest, cDigest_Base, cDigest_SHA1;
00031 
00032     rb_require("digest");
00033 
00034 #if 0
00035     mDigest = rb_define_module("Digest"); /* let rdoc know */
00036 #endif
00037     mDigest = rb_path2class("Digest");
00038     cDigest_Base = rb_path2class("Digest::Base");
00039 
00040     cDigest_SHA1 = rb_define_class_under(mDigest, "SHA1", cDigest_Base);
00041 
00042     rb_ivar_set(cDigest_SHA1, rb_intern("metadata"),
00043       Data_Wrap_Struct(rb_cObject, 0, 0, (void *)&sha1));
00044 }
00045