intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 186 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/rand/rand_win.c b/contrib/libs/openssl/crypto/rand/rand_win.c
new file mode 100644
index 0000000000..9036546008
--- /dev/null
+++ b/contrib/libs/openssl/crypto/rand/rand_win.c
@@ -0,0 +1,186 @@
+/*
+ * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "internal/cryptlib.h"
+#include <openssl/rand.h>
+#include "rand_local.h"
+#include "crypto/rand.h"
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
+
+# ifndef OPENSSL_RAND_SEED_OS
+#  error "Unsupported seeding method configured; must be os"
+# endif
+
+# include <windows.h>
+/* On Windows Vista or higher use BCrypt instead of the legacy CryptoAPI */
+# if defined(_MSC_VER) && _MSC_VER > 1500 /* 1500 = Visual Studio 2008 */ \
+     && defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0600
+#  define USE_BCRYPTGENRANDOM
+# endif
+
+# ifdef USE_BCRYPTGENRANDOM
+#  include <bcrypt.h>
+#  pragma comment(lib, "bcrypt.lib")
+#  ifndef STATUS_SUCCESS
+#   define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
+#  endif
+# else
+#  include <wincrypt.h>
+/*
+ * Intel hardware RNG CSP -- available from
+ * http://developer.intel.com/design/security/rng/redist_license.htm
+ */
+#  define PROV_INTEL_SEC 22
+#  define INTEL_DEF_PROV L"Intel Hardware Cryptographic Service Provider"
+# endif
+
+size_t rand_pool_acquire_entropy(RAND_POOL *pool)
+{
+# ifndef USE_BCRYPTGENRANDOM
+    HCRYPTPROV hProvider;
+# endif
+    unsigned char *buffer;
+    size_t bytes_needed;
+    size_t entropy_available = 0;
+
+
+# ifdef OPENSSL_RAND_SEED_RDTSC
+    entropy_available = rand_acquire_entropy_from_tsc(pool);
+    if (entropy_available > 0)
+        return entropy_available;
+# endif
+
+# ifdef OPENSSL_RAND_SEED_RDCPU
+    entropy_available = rand_acquire_entropy_from_cpu(pool);
+    if (entropy_available > 0)
+        return entropy_available;
+# endif
+
+# ifdef USE_BCRYPTGENRANDOM
+    bytes_needed = rand_pool_bytes_needed(pool, 1 /*entropy_factor*/);
+    buffer = rand_pool_add_begin(pool, bytes_needed);
+    if (buffer != NULL) {
+        size_t bytes = 0;
+        if (BCryptGenRandom(NULL, buffer, bytes_needed,
+                            BCRYPT_USE_SYSTEM_PREFERRED_RNG) == STATUS_SUCCESS)
+            bytes = bytes_needed;
+
+        rand_pool_add_end(pool, bytes, 8 * bytes);
+        entropy_available = rand_pool_entropy_available(pool);
+    }
+    if (entropy_available > 0)
+        return entropy_available;
+# else
+    bytes_needed = rand_pool_bytes_needed(pool, 1 /*entropy_factor*/);
+    buffer = rand_pool_add_begin(pool, bytes_needed);
+    if (buffer != NULL) {
+        size_t bytes = 0;
+        /* poll the CryptoAPI PRNG */
+        if (CryptAcquireContextW(&hProvider, NULL, NULL, PROV_RSA_FULL,
+                                 CRYPT_VERIFYCONTEXT | CRYPT_SILENT) != 0) {
+            if (CryptGenRandom(hProvider, bytes_needed, buffer) != 0)
+                bytes = bytes_needed;
+
+            CryptReleaseContext(hProvider, 0);
+        }
+
+        rand_pool_add_end(pool, bytes, 8 * bytes);
+        entropy_available = rand_pool_entropy_available(pool);
+    }
+    if (entropy_available > 0)
+        return entropy_available;
+
+    bytes_needed = rand_pool_bytes_needed(pool, 1 /*entropy_factor*/);
+    buffer = rand_pool_add_begin(pool, bytes_needed);
+    if (buffer != NULL) {
+        size_t bytes = 0;
+        /* poll the Pentium PRG with CryptoAPI */
+        if (CryptAcquireContextW(&hProvider, NULL,
+                                 INTEL_DEF_PROV, PROV_INTEL_SEC,
+                                 CRYPT_VERIFYCONTEXT | CRYPT_SILENT) != 0) {
+            if (CryptGenRandom(hProvider, bytes_needed, buffer) != 0)
+                bytes = bytes_needed;
+
+            CryptReleaseContext(hProvider, 0);
+        }
+        rand_pool_add_end(pool, bytes, 8 * bytes);
+        entropy_available = rand_pool_entropy_available(pool);
+    }
+    if (entropy_available > 0)
+        return entropy_available;
+# endif
+
+    return rand_pool_entropy_available(pool);
+}
+
+
+int rand_pool_add_nonce_data(RAND_POOL *pool)
+{
+    struct {
+        DWORD pid;
+        DWORD tid;
+        FILETIME time;
+    } data = { 0 };
+
+    /*
+     * Add process id, thread id, and a high resolution timestamp to
+     * ensure that the nonce is unique with high probability for
+     * different process instances.
+     */
+    data.pid = GetCurrentProcessId();
+    data.tid = GetCurrentThreadId();
+    GetSystemTimeAsFileTime(&data.time);
+
+    return rand_pool_add(pool, (unsigned char *)&data, sizeof(data), 0);
+}
+
+int rand_pool_add_additional_data(RAND_POOL *pool)
+{
+    struct {
+        DWORD tid;
+        LARGE_INTEGER time;
+    } data = { 0 };
+
+    /*
+     * Add some noise from the thread id and a high resolution timer.
+     * The thread id adds a little randomness if the drbg is accessed
+     * concurrently (which is the case for the <master> drbg).
+     */
+    data.tid = GetCurrentThreadId();
+    QueryPerformanceCounter(&data.time);
+    return rand_pool_add(pool, (unsigned char *)&data, sizeof(data), 0);
+}
+
+# if OPENSSL_API_COMPAT < 0x10100000L
+int RAND_event(UINT iMsg, WPARAM wParam, LPARAM lParam)
+{
+    RAND_poll();
+    return RAND_status();
+}
+
+void RAND_screen(void)
+{
+    RAND_poll();
+}
+# endif
+
+int rand_pool_init(void)
+{
+    return 1;
+}
+
+void rand_pool_cleanup(void)
+{
+}
+
+void rand_pool_keep_random_devices_open(int keep)
+{
+}
+
+#endif