diff --git a/lib/hcrypto/rand-w32.c b/lib/hcrypto/rand-w32.c new file mode 100644 index 000000000..d3f7cf6f5 --- /dev/null +++ b/lib/hcrypto/rand-w32.c @@ -0,0 +1,123 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include + +#include +#include + +#include +#include +#include +#include + +#include + +#include "randi.h" + +static HCRYPTPROV cryptprovider = 0; + +static HCRYPTPROV +_hc_CryptProvider(void) +{ + BOOL res; + + if (cryptprovider != 0) + return cryptprovider; + + res = CryptAcquireContext(&cryptprovider, NULL, + MS_ENHANCED_PROV, PROV_RSA_FULL, + 0); + if(!res) + CryptAcquireContext(&cryptprovider, NULL, + MS_ENHANCED_PROV, PROV_RSA_FULL, + CRYPT_NEWKEYSET); + return cryptprovider; +} + +/* + * + */ + + +static void +w32crypto_seed(const void *indata, int size) +{ +} + + +static int +w32crypto_bytes(unsigned char *outdata, int size) +{ + if (CryptGenRandom(_hc_CryptProvider(), size, outdata) == 0) + return 0; + return 1; +} + +static void +w32crypto_cleanup(void) +{ +} + +static void +w32crypto_add(const void *indata, int size, double entropi) +{ +} + +static int +w32crypto_pseudorand(unsigned char *outdata, int size) +{ +} + +static int +w32crypto_status(void) +{ + if (_hc_CryptProvider() == NULL) + return 0; + return 1; +} + +const RAND_METHOD hc_rand_w32crypto_method = { + w32crypto_seed, + w32crypto_bytes, + w32crypto_cleanup, + w32crypto_add, + w32crypto_pseudorand, + w32crypto_status +}; + +const RAND_METHOD * +RAND_w32crypto_method(void) +{ + return &hc_rand_w32crypto_method; +} diff --git a/lib/hcrypto/rand.c b/lib/hcrypto/rand.c index 009498658..9f0438a34 100644 --- a/lib/hcrypto/rand.c +++ b/lib/hcrypto/rand.c @@ -60,7 +60,9 @@ init_method(void) { if (selected_meth != NULL) return; -#ifdef __APPLE__ +#if defined(_WIN32) + selected_meth = &hc_rand_w32crypto_method; +#elif defined(__APPLE__) selected_meth = &hc_rand_unix_method; #else selected_meth = &hc_rand_fortuna_method; diff --git a/lib/hcrypto/randi.h b/lib/hcrypto/randi.h index f8f6c39b3..c6c617af2 100644 --- a/lib/hcrypto/randi.h +++ b/lib/hcrypto/randi.h @@ -42,6 +42,7 @@ extern const RAND_METHOD hc_rand_fortuna_method; extern const RAND_METHOD hc_rand_unix_method; extern const RAND_METHOD hc_rand_egd_method; extern const RAND_METHOD hc_rand_timer_method; +extern const RAND_METHOD hc_rand_w32crypto_method; const RAND_METHOD * RAND_timer_method(void);