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ruby--ruby/ext/openssl/ossl_rand.c
technorama 41fa6056ba * ext/openssl/ossl_{bn,cipher,digest,hmac,rand,pkey_{dh,dsa,rsa}}.c: Add Documentation for various methods.
* ext/openssl/lib/openssl/cipher.rb: Ditto

* ext/openssl/ossl_bn.c: add lshift! and rshift! methods.

* ext/openssl/ossl_digest.c: GetDigestPtr() also accept a string.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2007-03-29 17:29:03 +00:00

164 lines
2.9 KiB
C

/*
* $Id$
* 'OpenSSL for Ruby' project
* Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
* All rights reserved.
*/
/*
* This program is licenced under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include "ossl.h"
/*
* Classes
*/
VALUE mRandom;
VALUE eRandomError;
/*
* Struct
*/
/*
* Public
*/
/*
* Private
*/
static VALUE
ossl_rand_seed(VALUE self, VALUE str)
{
StringValue(str);
RAND_seed(RSTRING_PTR(str), RSTRING_LEN(str));
return str;
}
/*
* call-seq:
* load_random_file(filename) -> true
*
*/
static VALUE
ossl_rand_load_file(VALUE self, VALUE filename)
{
SafeStringValue(filename);
if(!RAND_load_file(RSTRING_PTR(filename), -1)) {
ossl_raise(eRandomError, NULL);
}
return Qtrue;
}
/*
* call-seq:
* write_random_file(filename) -> true
*
*/
static VALUE
ossl_rand_write_file(VALUE self, VALUE filename)
{
SafeStringValue(filename);
if (RAND_write_file(RSTRING_PTR(filename)) == -1) {
ossl_raise(eRandomError, NULL);
}
return Qtrue;
}
/*
* call-seq:
* random_bytes(length) -> aString
*
*/
static VALUE
ossl_rand_bytes(VALUE self, VALUE len)
{
VALUE str;
str = rb_str_new(0, FIX2INT(len));
if (!RAND_bytes(RSTRING_PTR(str), FIX2INT(len))) {
ossl_raise(eRandomError, NULL);
}
return str;
}
/*
* call-seq:
* pseudo_bytes(length) -> aString
*
*/
static VALUE
ossl_rand_pseudo_bytes(VALUE self, VALUE len)
{
VALUE str;
str = rb_str_new(0, FIX2INT(len));
if (!RAND_pseudo_bytes(RSTRING_PTR(str), FIX2INT(len))) {
ossl_raise(eRandomError, NULL);
}
return str;
}
/*
* call-seq:
* egd(filename) -> true
*
*/
static VALUE
ossl_rand_egd(VALUE self, VALUE filename)
{
SafeStringValue(filename);
if(!RAND_egd(RSTRING_PTR(filename))) {
ossl_raise(eRandomError, NULL);
}
return Qtrue;
}
/*
* call-seq:
* egd_bytes(filename, length) -> true
*
*/
static VALUE
ossl_rand_egd_bytes(VALUE self, VALUE filename, VALUE len)
{
SafeStringValue(filename);
if (!RAND_egd_bytes(RSTRING_PTR(filename), FIX2INT(len))) {
ossl_raise(eRandomError, NULL);
}
return Qtrue;
}
#define DEFMETH(class, name, func, argc) \
rb_define_method(class, name, func, argc); \
rb_define_singleton_method(class, name, func, argc);
/*
* INIT
*/
void
Init_ossl_rand()
{
#if 0 /* let rdoc know about mOSSL */
mOSSL = rb_define_module("OpenSSL");
#endif
mRandom = rb_define_module_under(mOSSL, "Random");
eRandomError = rb_define_class_under(mRandom, "RandomError", eOSSLError);
DEFMETH(mRandom, "seed", ossl_rand_seed, 1);
DEFMETH(mRandom, "load_random_file", ossl_rand_load_file, 1);
DEFMETH(mRandom, "write_random_file", ossl_rand_write_file, 1);
DEFMETH(mRandom, "random_bytes", ossl_rand_bytes, 1);
DEFMETH(mRandom, "pseudo_bytes", ossl_rand_pseudo_bytes, 1);
DEFMETH(mRandom, "egd", ossl_rand_egd, 1);
DEFMETH(mRandom, "egd_bytes", ossl_rand_egd_bytes, 2);
}