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 "sha1cc.h"
9#endif
10
11static 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 */
26void
27Init_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