Ruby 2.0.0p247(2013-06-27revision41674)

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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 34816 2012-02-25 20:37:12Z naruse $ */
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 = {
12 RUBY_DIGEST_API_VERSION,
13 SHA1_DIGEST_LENGTH,
14 SHA1_BLOCK_LENGTH,
15 sizeof(SHA1_CTX),
16 (rb_digest_hash_init_func_t)SHA1_Init,
17 (rb_digest_hash_update_func_t)SHA1_Update,
18 (rb_digest_hash_finish_func_t)SHA1_Finish,
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
27 Init_sha1()
28 {
29 VALUE mDigest, cDigest_Base, cDigest_SHA1;
30
31 rb_require("digest");
32
33 #if 0
34 mDigest = rb_define_module("Digest"); /* let rdoc know */
35 #endif
36 mDigest = rb_path2class("Digest");
37 cDigest_Base = rb_path2class("Digest::Base");
38
39 cDigest_SHA1 = rb_define_class_under(mDigest, "SHA1", cDigest_Base);
40
41 rb_ivar_set(cDigest_SHA1, rb_intern("metadata"),
42 Data_Wrap_Struct(rb_cObject, 0, 0, (void *)&sha1));
43 }
44