Update - OpenSSL 1.1.1-pre7-dev
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+54
-12
@@ -1,5 +1,5 @@
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/*
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* Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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@@ -10,6 +10,7 @@
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#include "internal/cryptlib.h"
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#include <openssl/rand.h>
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#include "rand_lcl.h"
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#include "internal/rand_int.h"
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#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
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# ifndef OPENSSL_RAND_SEED_OS
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@@ -38,7 +39,7 @@
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# define INTEL_DEF_PROV L"Intel Hardware Cryptographic Service Provider"
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# endif
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size_t RAND_POOL_acquire_entropy(RAND_POOL *pool)
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size_t rand_pool_acquire_entropy(RAND_POOL *pool)
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{
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# ifndef USE_BCRYPTGENRANDOM
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HCRYPTPROV hProvider;
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@@ -61,21 +62,22 @@ size_t RAND_POOL_acquire_entropy(RAND_POOL *pool)
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# endif
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# ifdef USE_BCRYPTGENRANDOM
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bytes_needed = RAND_POOL_bytes_needed(pool, 8 /*entropy_per_byte*/);
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buffer = RAND_POOL_add_begin(pool, bytes_needed);
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bytes_needed = rand_pool_bytes_needed(pool, 1 /*entropy_factor*/);
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buffer = rand_pool_add_begin(pool, bytes_needed);
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if (buffer != NULL) {
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size_t bytes = 0;
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if (BCryptGenRandom(NULL, buffer, bytes_needed,
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BCRYPT_USE_SYSTEM_PREFERRED_RNG) == STATUS_SUCCESS)
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bytes = bytes_needed;
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entropy_available = RAND_POOL_add_end(pool, bytes, 8 * bytes);
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rand_pool_add_end(pool, bytes, 8 * bytes);
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entropy_available = rand_pool_entropy_available(pool);
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}
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if (entropy_available > 0)
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return entropy_available;
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# else
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bytes_needed = RAND_POOL_bytes_needed(pool, 8 /*entropy_per_byte*/);
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buffer = RAND_POOL_add_begin(pool, bytes_needed);
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bytes_needed = rand_pool_bytes_needed(pool, 1 /*entropy_factor*/);
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buffer = rand_pool_add_begin(pool, bytes_needed);
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if (buffer != NULL) {
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size_t bytes = 0;
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/* poll the CryptoAPI PRNG */
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@@ -87,13 +89,14 @@ size_t RAND_POOL_acquire_entropy(RAND_POOL *pool)
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CryptReleaseContext(hProvider, 0);
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}
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entropy_available = RAND_POOL_add_end(pool, bytes, 8 * bytes);
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rand_pool_add_end(pool, bytes, 8 * bytes);
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entropy_available = rand_pool_entropy_available(pool);
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}
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if (entropy_available > 0)
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return entropy_available;
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bytes_needed = RAND_POOL_bytes_needed(pool, 8 /*entropy_per_byte*/);
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buffer = RAND_POOL_add_begin(pool, bytes_needed);
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bytes_needed = rand_pool_bytes_needed(pool, 1 /*entropy_factor*/);
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buffer = rand_pool_add_begin(pool, bytes_needed);
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if (buffer != NULL) {
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size_t bytes = 0;
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/* poll the Pentium PRG with CryptoAPI */
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@@ -105,13 +108,52 @@ size_t RAND_POOL_acquire_entropy(RAND_POOL *pool)
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CryptReleaseContext(hProvider, 0);
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}
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entropy_available = RAND_POOL_add_end(pool, bytes, 8 * bytes);
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rand_pool_add_end(pool, bytes, 8 * bytes);
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entropy_available = rand_pool_entropy_available(pool);
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}
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if (entropy_available > 0)
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return entropy_available;
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# endif
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return RAND_POOL_entropy_available(pool);
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return rand_pool_entropy_available(pool);
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}
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int rand_pool_add_nonce_data(RAND_POOL *pool)
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{
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struct {
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DWORD pid;
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DWORD tid;
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FILETIME time;
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} data = { 0 };
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/*
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* Add process id, thread id, and a high resolution timestamp to
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* ensure that the nonce is unique whith high probability for
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* different process instances.
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*/
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data.pid = GetCurrentProcessId();
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data.tid = GetCurrentThreadId();
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GetSystemTimeAsFileTime(&data.time);
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return rand_pool_add(pool, (unsigned char *)&data, sizeof(data), 0);
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}
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int rand_pool_add_additional_data(RAND_POOL *pool)
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{
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struct {
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DWORD tid;
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LARGE_INTEGER time;
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} data = { 0 };
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/*
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* Add some noise from the thread id and a high resolution timer.
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* The thread id adds a little randomness if the drbg is accessed
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* concurrently (which is the case for the <master> drbg).
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*/
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data.tid = GetCurrentThreadId();
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QueryPerformanceCounter(&data.time);
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return rand_pool_add(pool, (unsigned char *)&data, sizeof(data), 0);
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}
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# if OPENSSL_API_COMPAT < 0x10100000L
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