summaryrefslogtreecommitdiff
path: root/thirdparty/mbedtls/library/entropy_poll.c.orig
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/mbedtls/library/entropy_poll.c.orig')
-rw-r--r--thirdparty/mbedtls/library/entropy_poll.c.orig275
1 files changed, 0 insertions, 275 deletions
diff --git a/thirdparty/mbedtls/library/entropy_poll.c.orig b/thirdparty/mbedtls/library/entropy_poll.c.orig
deleted file mode 100644
index 040aa117dc..0000000000
--- a/thirdparty/mbedtls/library/entropy_poll.c.orig
+++ /dev/null
@@ -1,275 +0,0 @@
-/*
- * Platform-specific and custom entropy polling functions
- *
- * Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * This file is part of mbed TLS (https://tls.mbed.org)
- */
-
-#if defined(__linux__)
-/* Ensure that syscall() is available even when compiling with -std=c99 */
-#define _GNU_SOURCE
-#endif
-
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
-
-#include <string.h>
-
-#if defined(MBEDTLS_ENTROPY_C)
-
-#include "mbedtls/entropy.h"
-#include "mbedtls/entropy_poll.h"
-
-#if defined(MBEDTLS_TIMING_C)
-#include "mbedtls/timing.h"
-#endif
-#if defined(MBEDTLS_HAVEGE_C)
-#include "mbedtls/havege.h"
-#endif
-#if defined(MBEDTLS_ENTROPY_NV_SEED)
-#include "mbedtls/platform.h"
-#endif
-
-#if !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
-
-#if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
- !defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__) && \
- !defined(__HAIKU__)
-#error "Platform entropy sources only work on Unix and Windows, see MBEDTLS_NO_PLATFORM_ENTROPY in config.h"
-#endif
-
-#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
-
-#if !defined(_WIN32_WINNT)
-#define _WIN32_WINNT 0x0400
-#endif
-#include <windows.h>
-#include <wincrypt.h>
-
-int mbedtls_platform_entropy_poll( void *data, unsigned char *output, size_t len,
- size_t *olen )
-{
- HCRYPTPROV provider;
- ((void) data);
- *olen = 0;
-
- if( CryptAcquireContext( &provider, NULL, NULL,
- PROV_RSA_FULL, CRYPT_VERIFYCONTEXT ) == FALSE )
- {
- return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
- }
-
- if( CryptGenRandom( provider, (DWORD) len, output ) == FALSE )
- {
- CryptReleaseContext( provider, 0 );
- return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
- }
-
- CryptReleaseContext( provider, 0 );
- *olen = len;
-
- return( 0 );
-}
-#else /* _WIN32 && !EFIX64 && !EFI32 */
-
-/*
- * Test for Linux getrandom() support.
- * Since there is no wrapper in the libc yet, use the generic syscall wrapper
- * available in GNU libc and compatible libc's (eg uClibc).
- */
-#if defined(__linux__) && defined(__GLIBC__)
-#include <unistd.h>
-#include <sys/syscall.h>
-#if defined(SYS_getrandom)
-#define HAVE_GETRANDOM
-
-static int getrandom_wrapper( void *buf, size_t buflen, unsigned int flags )
-{
- /* MemSan cannot understand that the syscall writes to the buffer */
-#if defined(__has_feature)
-#if __has_feature(memory_sanitizer)
- memset( buf, 0, buflen );
-#endif
-#endif
-
- return( syscall( SYS_getrandom, buf, buflen, flags ) );
-}
-
-#include <sys/utsname.h>
-/* Check if version is at least 3.17.0 */
-static int check_version_3_17_plus( void )
-{
- int minor;
- struct utsname un;
- const char *ver;
-
- /* Get version information */
- uname(&un);
- ver = un.release;
-
- /* Check major version; assume a single digit */
- if( ver[0] < '3' || ver[0] > '9' || ver [1] != '.' )
- return( -1 );
-
- if( ver[0] - '0' > 3 )
- return( 0 );
-
- /* Ok, so now we know major == 3, check minor.
- * Assume 1 or 2 digits. */
- if( ver[2] < '0' || ver[2] > '9' )
- return( -1 );
-
- minor = ver[2] - '0';
-
- if( ver[3] >= '0' && ver[3] <= '9' )
- minor = 10 * minor + ver[3] - '0';
- else if( ver [3] != '.' )
- return( -1 );
-
- if( minor < 17 )
- return( -1 );
-
- return( 0 );
-}
-static int has_getrandom = -1;
-#endif /* SYS_getrandom */
-#endif /* __linux__ */
-
-#include <stdio.h>
-
-int mbedtls_platform_entropy_poll( void *data,
- unsigned char *output, size_t len, size_t *olen )
-{
- FILE *file;
- size_t read_len;
- ((void) data);
-
-#if defined(HAVE_GETRANDOM)
- if( has_getrandom == -1 )
- has_getrandom = ( check_version_3_17_plus() == 0 );
-
- if( has_getrandom )
- {
- int ret;
-
- if( ( ret = getrandom_wrapper( output, len, 0 ) ) < 0 )
- return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
-
- *olen = ret;
- return( 0 );
- }
-#endif /* HAVE_GETRANDOM */
-
- *olen = 0;
-
- file = fopen( "/dev/urandom", "rb" );
- if( file == NULL )
- return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
-
- read_len = fread( output, 1, len, file );
- if( read_len != len )
- {
- fclose( file );
- return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
- }
-
- fclose( file );
- *olen = len;
-
- return( 0 );
-}
-#endif /* _WIN32 && !EFIX64 && !EFI32 */
-#endif /* !MBEDTLS_NO_PLATFORM_ENTROPY */
-
-#if defined(MBEDTLS_TEST_NULL_ENTROPY)
-int mbedtls_null_entropy_poll( void *data,
- unsigned char *output, size_t len, size_t *olen )
-{
- ((void) data);
- ((void) output);
- *olen = 0;
-
- if( len < sizeof(unsigned char) )
- return( 0 );
-
- *olen = sizeof(unsigned char);
-
- return( 0 );
-}
-#endif
-
-#if defined(MBEDTLS_TIMING_C)
-int mbedtls_hardclock_poll( void *data,
- unsigned char *output, size_t len, size_t *olen )
-{
- unsigned long timer = mbedtls_timing_hardclock();
- ((void) data);
- *olen = 0;
-
- if( len < sizeof(unsigned long) )
- return( 0 );
-
- memcpy( output, &timer, sizeof(unsigned long) );
- *olen = sizeof(unsigned long);
-
- return( 0 );
-}
-#endif /* MBEDTLS_TIMING_C */
-
-#if defined(MBEDTLS_HAVEGE_C)
-int mbedtls_havege_poll( void *data,
- unsigned char *output, size_t len, size_t *olen )
-{
- mbedtls_havege_state *hs = (mbedtls_havege_state *) data;
- *olen = 0;
-
- if( mbedtls_havege_random( hs, output, len ) != 0 )
- return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
-
- *olen = len;
-
- return( 0 );
-}
-#endif /* MBEDTLS_HAVEGE_C */
-
-#if defined(MBEDTLS_ENTROPY_NV_SEED)
-int mbedtls_nv_seed_poll( void *data,
- unsigned char *output, size_t len, size_t *olen )
-{
- unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE];
- size_t use_len = MBEDTLS_ENTROPY_BLOCK_SIZE;
- ((void) data);
-
- memset( buf, 0, MBEDTLS_ENTROPY_BLOCK_SIZE );
-
- if( mbedtls_nv_seed_read( buf, MBEDTLS_ENTROPY_BLOCK_SIZE ) < 0 )
- return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
-
- if( len < use_len )
- use_len = len;
-
- memcpy( output, buf, use_len );
- *olen = use_len;
-
- return( 0 );
-}
-#endif /* MBEDTLS_ENTROPY_NV_SEED */
-
-#endif /* MBEDTLS_ENTROPY_C */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 13:33:46 +0000