summaryrefslogtreecommitdiff
path: root/ruby_1_8_5/ext/digest/digest.c
diff options
context:
space:
mode:
Diffstat (limited to 'ruby_1_8_5/ext/digest/digest.c')
-rw-r--r--ruby_1_8_5/ext/digest/digest.c316
1 files changed, 0 insertions, 316 deletions
diff --git a/ruby_1_8_5/ext/digest/digest.c b/ruby_1_8_5/ext/digest/digest.c
deleted file mode 100644
index 957fe4f6ea..0000000000
--- a/ruby_1_8_5/ext/digest/digest.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/************************************************
-
- digest.c -
-
- $Author: matz $
- created at: Fri May 25 08:57:27 JST 2001
-
- Copyright (C) 1995-2001 Yukihiro Matsumoto
- Copyright (C) 2001 Akinori MUSHA
-
- $RoughId: digest.c,v 1.16 2001/07/13 15:38:27 knu Exp $
- $Id: digest.c,v 1.14.2.2 2005/12/12 00:36:51 matz Exp $
-
-************************************************/
-
-/*
- * This module provides an interface to the following hash algorithms:
- *
- * - the MD5 Message-Digest Algorithm by the RSA Data Security,
- * Inc., described in RFC 1321
- *
- * - the SHA-1 Secure Hash Algorithm by NIST (the US' National
- * Institute of Standards and Technology), described in FIPS PUB
- * 180-1.
- *
- * - the SHA-256/384/512 Secure Hash Algorithm by NIST (the US'
- * National Institute of Standards and Technology), described in
- * FIPS PUB 180-2.
- *
- * - the RIPEMD-160 cryptographic hash function, designed by Hans
- * Dobbertin, Antoon Bosselaers, and Bart Preneel.
- */
-
-#include "digest.h"
-
-static VALUE mDigest, cDigest_Base;
-static ID id_metadata;
-
-/*
- * Digest::Base
- */
-
-static algo_t *
-get_digest_base_metadata(klass)
- VALUE klass;
-{
- VALUE obj;
- algo_t *algo;
-
- if (rb_cvar_defined(klass, id_metadata) == Qfalse) {
- rb_notimplement();
- }
-
- obj = rb_cvar_get(klass, id_metadata);
-
- Data_Get_Struct(obj, algo_t, algo);
-
- return algo;
-}
-
-static VALUE rb_digest_base_alloc _((VALUE));
-static VALUE
-rb_digest_base_alloc(klass)
- VALUE klass;
-{
- algo_t *algo;
- VALUE obj;
- void *pctx;
-
- if (klass == cDigest_Base) {
- rb_raise(rb_eNotImpError, "Digest::Base is an abstract class");
- }
-
- algo = get_digest_base_metadata(klass);
-
- /* XXX: An uninitialized buffer leads ALGO_Equal() to fail */
- pctx = xcalloc(algo->ctx_size, 1);
- algo->init_func(pctx);
-
- obj = Data_Wrap_Struct(klass, 0, free, pctx);
-
- return obj;
-}
-
-static VALUE
-rb_digest_base_s_digest(klass, str)
- VALUE klass;
- VALUE str;
-{
- algo_t *algo;
- void *pctx;
- size_t len;
- unsigned char *digest;
- volatile VALUE obj = rb_digest_base_alloc(klass);
-
- algo = get_digest_base_metadata(klass);
- Data_Get_Struct(obj, void, pctx);
-
- StringValue(str);
- algo->update_func(pctx, RSTRING(str)->ptr, RSTRING(str)->len);
-
- len = algo->digest_len;
-
- digest = xmalloc(len);
- algo->final_func(digest, pctx);
-
- obj = rb_str_new(digest, len);
-
- free(digest);
-
- return obj;
-}
-
-static VALUE
-rb_digest_base_s_hexdigest(klass, str)
- VALUE klass;
- VALUE str;
-{
- algo_t *algo;
- void *pctx;
- size_t len;
- unsigned char *hexdigest;
- volatile VALUE obj = rb_digest_base_alloc(klass);
-
- algo = get_digest_base_metadata(klass);
- Data_Get_Struct(obj, void, pctx);
-
- StringValue(str);
- algo->update_func(pctx, RSTRING(str)->ptr, RSTRING(str)->len);
-
- len = algo->digest_len * 2;
-
- hexdigest = xmalloc(len + 1); /* +1 is for '\0' */
- algo->end_func(pctx, hexdigest);
-
- obj = rb_str_new(hexdigest, len);
-
- free(hexdigest);
-
- return obj;
-}
-
-static VALUE
-rb_digest_base_copy(copy, obj)
- VALUE copy, obj;
-{
- algo_t *algo;
- void *pctx1, *pctx2;
-
- if (copy == obj) return copy;
- rb_check_frozen(copy);
- algo = get_digest_base_metadata(rb_obj_class(copy));
- if (algo != get_digest_base_metadata(rb_obj_class(obj))) {
- rb_raise(rb_eTypeError, "wrong argument class");
- }
- Data_Get_Struct(obj, void, pctx1);
- Data_Get_Struct(copy, void, pctx2);
- memcpy(pctx2, pctx1, algo->ctx_size);
-
- return copy;
-}
-
-static VALUE
-rb_digest_base_update(self, str)
- VALUE self, str;
-{
- algo_t *algo;
- void *pctx;
-
- StringValue(str);
- algo = get_digest_base_metadata(rb_obj_class(self));
- Data_Get_Struct(self, void, pctx);
-
- algo->update_func(pctx, RSTRING(str)->ptr, RSTRING(str)->len);
-
- return self;
-}
-
-static VALUE
-rb_digest_base_init(argc, argv, self)
- int argc;
- VALUE* argv;
- VALUE self;
-{
- VALUE arg;
-
- rb_scan_args(argc, argv, "01", &arg);
-
- if (!NIL_P(arg)) rb_digest_base_update(self, arg);
-
- return self;
-}
-
-static VALUE
-rb_digest_base_digest(self)
- VALUE self;
-{
- algo_t *algo;
- void *pctx1, *pctx2;
- unsigned char *digest;
- size_t len;
- VALUE str;
-
- algo = get_digest_base_metadata(rb_obj_class(self));
- Data_Get_Struct(self, void, pctx1);
-
- len = algo->ctx_size;
-
- pctx2 = xmalloc(len);
- memcpy(pctx2, pctx1, len);
-
- len = algo->digest_len;
-
- digest = xmalloc(len);
- algo->final_func(digest, pctx2);
-
- str = rb_str_new(digest, len);
-
- free(digest);
- free(pctx2);
-
- return str;
-}
-
-static VALUE
-rb_digest_base_hexdigest(self)
- VALUE self;
-{
- algo_t *algo;
- void *pctx1, *pctx2;
- unsigned char *hexdigest;
- size_t len;
- VALUE str;
-
- algo = get_digest_base_metadata(rb_obj_class(self));
- Data_Get_Struct(self, void, pctx1);
-
- len = algo->ctx_size;
-
- pctx2 = xmalloc(len);
- memcpy(pctx2, pctx1, len);
-
- len = algo->digest_len * 2;
-
- hexdigest = xmalloc(len + 1); /* +1 is for '\0' */
- algo->end_func(pctx2, hexdigest);
-
- str = rb_str_new(hexdigest, len);
-
- free(hexdigest);
- free(pctx2);
-
- return str;
-}
-
-static VALUE
-rb_digest_base_equal(self, other)
- VALUE self, other;
-{
- algo_t *algo;
- VALUE klass;
- VALUE str1, str2;
-
- klass = rb_obj_class(self);
- algo = get_digest_base_metadata(klass);
-
- if (rb_obj_class(other) == klass) {
- void *pctx1, *pctx2;
-
- Data_Get_Struct(self, void, pctx1);
- Data_Get_Struct(other, void, pctx2);
-
- return algo->equal_func(pctx1, pctx2) ? Qtrue : Qfalse;
- }
-
- StringValue(other);
- str2 = other;
-
- if (RSTRING(str2)->len == algo->digest_len)
- str1 = rb_digest_base_digest(self);
- else
- str1 = rb_digest_base_hexdigest(self);
-
- if (RSTRING(str1)->len == RSTRING(str2)->len
- && rb_str_cmp(str1, str2) == 0)
- return Qtrue;
-
- return Qfalse;
-}
-
-/*
- * Init
- */
-
-void
-Init_digest()
-{
- mDigest = rb_define_module("Digest");
-
- cDigest_Base = rb_define_class_under(mDigest, "Base", rb_cObject);
-
- rb_define_alloc_func(cDigest_Base, rb_digest_base_alloc);
- rb_define_singleton_method(cDigest_Base, "digest", rb_digest_base_s_digest, 1);
- rb_define_singleton_method(cDigest_Base, "hexdigest", rb_digest_base_s_hexdigest, 1);
-
- rb_define_method(cDigest_Base, "initialize", rb_digest_base_init, -1);
- rb_define_method(cDigest_Base, "initialize_copy", rb_digest_base_copy, 1);
- rb_define_method(cDigest_Base, "update", rb_digest_base_update, 1);
- rb_define_method(cDigest_Base, "<<", rb_digest_base_update, 1);
- rb_define_method(cDigest_Base, "digest", rb_digest_base_digest, 0);
- rb_define_method(cDigest_Base, "hexdigest", rb_digest_base_hexdigest, 0);
- rb_define_method(cDigest_Base, "to_s", rb_digest_base_hexdigest, 0);
- rb_define_method(cDigest_Base, "==", rb_digest_base_equal, 1);
-
- id_metadata = rb_intern("metadata");
-}