Ruby  1.9.3p392(2013-02-22revision39386)
sha1init.c
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1 /* $RoughId: sha1init.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
2 /* $Id: sha1init.c 27437 2010-04-22 08:04:13Z nobu $ */
3 
4 #include "digest.h"
5 #if defined(HAVE_OPENSSL_SHA_H)
6 #include "sha1ossl.h"
7 #else
8 #include "sha1.h"
9 #endif
10 
11 static const rb_digest_metadata_t sha1 = {
15  sizeof(SHA1_CTX),
19 };
20 
21 /*
22  * A class for calculating message digests using the SHA-1 Secure Hash
23  * Algorithm by NIST (the US' National Institute of Standards and
24  * Technology), described in FIPS PUB 180-1.
25  */
26 void
28 {
29  VALUE mDigest, cDigest_Base, cDigest_SHA1;
30 
31  rb_require("digest");
32 
33  mDigest = rb_path2class("Digest");
34  cDigest_Base = rb_path2class("Digest::Base");
35 
36  cDigest_SHA1 = rb_define_class_under(mDigest, "SHA1", cDigest_Base);
37 
38  rb_ivar_set(cDigest_SHA1, rb_intern("metadata"),
39  Data_Wrap_Struct(rb_cObject, 0, 0, (void *)&sha1));
40 }
41