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path: root/ext/digest/sha1/sha1init.c
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/* $RoughId: sha1init.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
/* $Id$ */

#include "digest.h"
#if defined(HAVE_OPENSSL_SHA_H)
#include "sha1ossl.h"
#else
#include "sha1.h"
#endif

static algo_t sha1 = {
    SHA1_DIGEST_LENGTH,
    sizeof(SHA1_CTX),
    (hash_init_func_t)SHA1_Init,
    (hash_update_func_t)SHA1_Update,
    (hash_finish_func_t)SHA1_Finish,
};

void
Init_sha1()
{
    VALUE mDigest, cDigest_Base, cDigest_SHA1;

    rb_require("digest");

    mDigest = rb_path2class("Digest");
    cDigest_Base = rb_path2class("Digest::Base");

    cDigest_SHA1 = rb_define_class_under(mDigest, "SHA1", cDigest_Base);

    rb_define_const(cDigest_SHA1, "DIGEST_LENGTH", INT2NUM(SHA1_DIGEST_LENGTH));
    rb_define_const(cDigest_SHA1, "BLOCK_LENGTH",  INT2NUM(SHA1_BLOCK_LENGTH));

    rb_cvar_set(cDigest_SHA1, rb_intern("metadata"),
		Data_Wrap_Struct(rb_cObject, 0, 0, &sha1), Qtrue);
}