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ruby--ruby/ext/digest/sha2/sha2init.c
nobu b97ceb66e9 digest: CommonDigest
* ext/digest/digest_conf.rb (digest_conf): check for CommonDigest.
* ext/digest/*/*cc.h: for Apple CommonCrypto/CommonDigest.h.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49565 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-02-11 02:09:55 +00:00

60 lines
1.6 KiB
C

/* $RoughId: sha2init.c,v 1.3 2001/07/13 20:00:43 knu Exp $ */
/* $Id$ */
#include "digest.h"
#if defined(SHA2_USE_OPENSSL)
#include "sha2ossl.h"
#elif defined(SHA2_USE_COMMONDIGEST)
#include "sha2cc.h"
#else
#include "sha2.h"
#endif
#define FOREACH_BITLEN(func) func(256) func(384) func(512)
#define DEFINE_ALGO_METADATA(bitlen) \
static const rb_digest_metadata_t sha##bitlen = { \
RUBY_DIGEST_API_VERSION, \
SHA##bitlen##_DIGEST_LENGTH, \
SHA##bitlen##_BLOCK_LENGTH, \
sizeof(SHA##bitlen##_CTX), \
(rb_digest_hash_init_func_t)SHA##bitlen##_Init, \
(rb_digest_hash_update_func_t)SHA##bitlen##_Update, \
(rb_digest_hash_finish_func_t)SHA##bitlen##_Finish, \
};
FOREACH_BITLEN(DEFINE_ALGO_METADATA)
/*
* Classes for calculating message digests using the SHA-256/384/512
* Secure Hash Algorithm(s) by NIST (the US' National Institute of
* Standards and Technology), described in FIPS PUB 180-2.
*/
void
Init_sha2(void)
{
VALUE mDigest, cDigest_Base;
ID id_metadata;
#define DECLARE_ALGO_CLASS(bitlen) \
VALUE cDigest_SHA##bitlen;
FOREACH_BITLEN(DECLARE_ALGO_CLASS)
rb_require("digest");
id_metadata = rb_intern_const("metadata");
mDigest = rb_path2class("Digest");
cDigest_Base = rb_path2class("Digest::Base");
#define DEFINE_ALGO_CLASS(bitlen) \
cDigest_SHA##bitlen = rb_define_class_under(mDigest, "SHA" #bitlen, cDigest_Base); \
\
rb_ivar_set(cDigest_SHA##bitlen, id_metadata, \
Data_Wrap_Struct(0, 0, 0, (void *)&sha##bitlen));
#undef RUBY_UNTYPED_DATA_WARNING
#define RUBY_UNTYPED_DATA_WARNING 0
FOREACH_BITLEN(DEFINE_ALGO_CLASS)
}