Ruby 2.7.6p219 (2022-04-12 revision c9c2245c0a25176072e02db9254f0e0c84c805cd)
sha1init.c
Go to the documentation of this file.
1/* $RoughId: sha1init.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
2/* $Id$ */
3
4#include <ruby/ruby.h>
5#include "../digest.h"
6#if defined(SHA1_USE_OPENSSL)
7#include "sha1ossl.h"
8#elif defined(SHA1_USE_COMMONDIGEST)
9#include "sha1cc.h"
10#else
11#include "sha1.h"
12#endif
13
14static const rb_digest_metadata_t sha1 = {
18 sizeof(SHA1_CTX),
22};
23
24/*
25 * Document-class: Digest::SHA1 < Digest::Base
26 * A class for calculating message digests using the SHA-1 Secure Hash
27 * Algorithm by NIST (the US' National Institute of Standards and
28 * Technology), described in FIPS PUB 180-1.
29 *
30 * See Digest::Instance for digest API.
31 *
32 * SHA-1 calculates a digest of 160 bits (20 bytes).
33 *
34 * == Examples
35 * require 'digest'
36 *
37 * # Compute a complete digest
38 * Digest::SHA1.hexdigest 'abc' #=> "a9993e36..."
39 *
40 * # Compute digest by chunks
41 * sha1 = Digest::SHA1.new # =>#<Digest::SHA1>
42 * sha1.update "ab"
43 * sha1 << "c" # alias for #update
44 * sha1.hexdigest # => "a9993e36..."
45 *
46 * # Use the same object to compute another digest
47 * sha1.reset
48 * sha1 << "message"
49 * sha1.hexdigest # => "6f9b9af3..."
50 */
51void
53{
54 VALUE mDigest, cDigest_Base, cDigest_SHA1;
55
56#if 0
57 mDigest = rb_define_module("Digest"); /* let rdoc know */
58#endif
59 mDigest = rb_digest_namespace();
60 cDigest_Base = rb_path2class("Digest::Base");
61
62 cDigest_SHA1 = rb_define_class_under(mDigest, "SHA1", cDigest_Base);
63
64#undef RUBY_UNTYPED_DATA_WARNING
65#define RUBY_UNTYPED_DATA_WARNING 0
66 rb_iv_set(cDigest_SHA1, "metadata",
67 Data_Wrap_Struct(0, 0, 0, (void *)&sha1));
68}
#define RUBY_DIGEST_API_VERSION
Definition: digest.h:18
void(* rb_digest_hash_update_func_t)(void *, unsigned char *, size_t)
Definition: digest.h:21
int(* rb_digest_hash_init_func_t)(void *)
Definition: digest.h:20
int(* rb_digest_hash_finish_func_t)(void *, unsigned char *)
Definition: digest.h:22
VALUE rb_define_class_under(VALUE, const char *, VALUE)
Defines a class under the namespace of outer.
Definition: class.c:711
VALUE rb_define_module(const char *)
Definition: class.c:785
#define Data_Wrap_Struct(klass, mark, free, sval)
VALUE rb_path2class(const char *)
Definition: variable.c:268
unsigned long VALUE
VALUE rb_iv_set(VALUE, const char *, VALUE)
Definition: variable.c:3318
int SHA1_Init(SHA1_CTX *context)
Definition: sha1.c:202
int SHA1_Finish(SHA1_CTX *context, uint8_t digest[20])
Definition: sha1.c:248
void SHA1_Update(SHA1_CTX *context, const uint8_t *data, size_t len)
Definition: sha1.c:221
#define SHA1_BLOCK_LENGTH
Definition: sha1.h:35
#define SHA1_DIGEST_LENGTH
Definition: sha1.h:36
#define SHA1_CTX
Definition: sha1cc.h:6
void Init_sha1(void)
Definition: sha1init.c:52