445 lines
11 KiB
Plaintext
445 lines
11 KiB
Plaintext
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#line 1 "helpers.function"
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/*----------------------------------------------------------------------------*/
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/* Headers */
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#include <stdlib.h>
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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#include <stdio.h>
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#define mbedtls_fprintf fprintf
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#define mbedtls_snprintf snprintf
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#define mbedtls_calloc calloc
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#define mbedtls_free free
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#define mbedtls_exit exit
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#define mbedtls_time time
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#define mbedtls_time_t time_t
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#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
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#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
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#endif
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#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
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#include "mbedtls/memory_buffer_alloc.h"
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#endif
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#ifdef _MSC_VER
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#include <basetsd.h>
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typedef UINT32 uint32_t;
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#define strncasecmp _strnicmp
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#define strcasecmp _stricmp
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#else
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#include <stdint.h>
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#endif
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#include <string.h>
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#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
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#include <unistd.h>
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#include <strings.h>
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#endif
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/*----------------------------------------------------------------------------*/
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/* Constants */
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#define DEPENDENCY_SUPPORTED 0
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#define DEPENDENCY_NOT_SUPPORTED 1
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#define KEY_VALUE_MAPPING_FOUND 0
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#define KEY_VALUE_MAPPING_NOT_FOUND -1
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#define DISPATCH_TEST_SUCCESS 0
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#define DISPATCH_TEST_FN_NOT_FOUND 1
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#define DISPATCH_INVALID_TEST_DATA 2
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#define DISPATCH_UNSUPPORTED_SUITE 3
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/*----------------------------------------------------------------------------*/
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/* Macros */
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#define TEST_ASSERT( TEST ) \
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do { \
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if( ! (TEST) ) \
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{ \
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test_fail( #TEST, __LINE__, __FILE__ ); \
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goto exit; \
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} \
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} while( 0 )
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#define assert(a) if( !( a ) ) \
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{ \
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mbedtls_fprintf( stderr, "Assertion Failed at %s:%d - %s\n", \
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__FILE__, __LINE__, #a ); \
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mbedtls_exit( 1 ); \
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}
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/*
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* 32-bit integer manipulation macros (big endian)
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*/
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#ifndef GET_UINT32_BE
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#define GET_UINT32_BE(n,b,i) \
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{ \
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(n) = ( (uint32_t) (b)[(i) ] << 24 ) \
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| ( (uint32_t) (b)[(i) + 1] << 16 ) \
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| ( (uint32_t) (b)[(i) + 2] << 8 ) \
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| ( (uint32_t) (b)[(i) + 3] ); \
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}
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#endif
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#ifndef PUT_UINT32_BE
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#define PUT_UINT32_BE(n,b,i) \
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{ \
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(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
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(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
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(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
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(b)[(i) + 3] = (unsigned char) ( (n) ); \
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}
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#endif
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/*----------------------------------------------------------------------------*/
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/* Global variables */
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static struct
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{
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int failed;
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const char *test;
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const char *filename;
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int line_no;
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}
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test_info;
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#if defined(MBEDTLS_PLATFORM_C)
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mbedtls_platform_context platform_ctx;
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#endif
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/*----------------------------------------------------------------------------*/
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/* Helper flags for complex dependencies */
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/* Indicates whether we expect mbedtls_entropy_init
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* to initialize some strong entropy source. */
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#if defined(MBEDTLS_TEST_NULL_ENTROPY) || \
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( !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) && \
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( !defined(MBEDTLS_NO_PLATFORM_ENTROPY) || \
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defined(MBEDTLS_HAVEGE_C) || \
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defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
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defined(ENTROPY_NV_SEED) ) )
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#define ENTROPY_HAVE_STRONG
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#endif
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/*----------------------------------------------------------------------------*/
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/* Helper Functions */
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static int platform_setup()
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{
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int ret = 0;
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#if defined(MBEDTLS_PLATFORM_C)
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ret = mbedtls_platform_setup( &platform_ctx );
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#endif /* MBEDTLS_PLATFORM_C */
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return( ret );
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}
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static void platform_teardown()
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{
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#if defined(MBEDTLS_PLATFORM_C)
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mbedtls_platform_teardown( &platform_ctx );
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#endif /* MBEDTLS_PLATFORM_C */
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}
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#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
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static int redirect_output( FILE** out_stream, const char* path )
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{
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int stdout_fd = dup( fileno( *out_stream ) );
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if( stdout_fd == -1 )
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{
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return -1;
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}
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fflush( *out_stream );
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fclose( *out_stream );
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*out_stream = fopen( path, "w" );
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if( *out_stream == NULL )
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{
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return -1;
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}
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return stdout_fd;
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}
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static int restore_output( FILE** out_stream, int old_fd )
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{
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fflush( *out_stream );
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fclose( *out_stream );
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*out_stream = fdopen( old_fd, "w" );
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if( *out_stream == NULL )
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{
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return -1;
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}
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return 0;
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}
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static void close_output( FILE* out_stream )
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{
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fclose( out_stream );
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}
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#endif /* __unix__ || __APPLE__ __MACH__ */
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static int unhexify( unsigned char *obuf, const char *ibuf )
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{
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unsigned char c, c2;
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int len = strlen( ibuf ) / 2;
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assert( strlen( ibuf ) % 2 == 0 ); /* must be even number of bytes */
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while( *ibuf != 0 )
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{
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c = *ibuf++;
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if( c >= '0' && c <= '9' )
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c -= '0';
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else if( c >= 'a' && c <= 'f' )
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c -= 'a' - 10;
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else if( c >= 'A' && c <= 'F' )
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c -= 'A' - 10;
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else
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assert( 0 );
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c2 = *ibuf++;
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if( c2 >= '0' && c2 <= '9' )
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c2 -= '0';
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else if( c2 >= 'a' && c2 <= 'f' )
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c2 -= 'a' - 10;
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else if( c2 >= 'A' && c2 <= 'F' )
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c2 -= 'A' - 10;
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else
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assert( 0 );
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*obuf++ = ( c << 4 ) | c2;
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}
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return len;
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}
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static void hexify( unsigned char *obuf, const unsigned char *ibuf, int len )
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{
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unsigned char l, h;
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while( len != 0 )
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{
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h = *ibuf / 16;
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l = *ibuf % 16;
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if( h < 10 )
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*obuf++ = '0' + h;
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else
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*obuf++ = 'a' + h - 10;
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if( l < 10 )
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*obuf++ = '0' + l;
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else
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*obuf++ = 'a' + l - 10;
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++ibuf;
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len--;
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}
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}
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/**
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* Allocate and zeroize a buffer.
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*
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* If the size if zero, a pointer to a zeroized 1-byte buffer is returned.
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*
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* For convenience, dies if allocation fails.
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*/
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static unsigned char *zero_alloc( size_t len )
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{
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void *p;
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size_t actual_len = ( len != 0 ) ? len : 1;
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p = mbedtls_calloc( 1, actual_len );
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assert( p != NULL );
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memset( p, 0x00, actual_len );
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return( p );
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}
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/**
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* Allocate and fill a buffer from hex data.
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*
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* The buffer is sized exactly as needed. This allows to detect buffer
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* overruns (including overreads) when running the test suite under valgrind.
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*
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* If the size if zero, a pointer to a zeroized 1-byte buffer is returned.
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*
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* For convenience, dies if allocation fails.
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*/
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static unsigned char *unhexify_alloc( const char *ibuf, size_t *olen )
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{
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unsigned char *obuf;
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*olen = strlen( ibuf ) / 2;
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if( *olen == 0 )
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return( zero_alloc( *olen ) );
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obuf = mbedtls_calloc( 1, *olen );
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assert( obuf != NULL );
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(void) unhexify( obuf, ibuf );
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return( obuf );
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}
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/**
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* This function just returns data from rand().
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* Although predictable and often similar on multiple
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* runs, this does not result in identical random on
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* each run. So do not use this if the results of a
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* test depend on the random data that is generated.
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*
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* rng_state shall be NULL.
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*/
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static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len )
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{
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#if !defined(__OpenBSD__)
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size_t i;
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if( rng_state != NULL )
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rng_state = NULL;
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for( i = 0; i < len; ++i )
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output[i] = rand();
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#else
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if( rng_state != NULL )
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rng_state = NULL;
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arc4random_buf( output, len );
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#endif /* !OpenBSD */
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return( 0 );
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}
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/**
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* This function only returns zeros
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*
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* rng_state shall be NULL.
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*/
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static int rnd_zero_rand( void *rng_state, unsigned char *output, size_t len )
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{
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if( rng_state != NULL )
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rng_state = NULL;
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memset( output, 0, len );
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return( 0 );
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}
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typedef struct
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{
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unsigned char *buf;
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size_t length;
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} rnd_buf_info;
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/**
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* This function returns random based on a buffer it receives.
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*
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* rng_state shall be a pointer to a rnd_buf_info structure.
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*
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* The number of bytes released from the buffer on each call to
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* the random function is specified by per_call. (Can be between
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* 1 and 4)
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*
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* After the buffer is empty it will return rand();
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*/
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static int rnd_buffer_rand( void *rng_state, unsigned char *output, size_t len )
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{
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rnd_buf_info *info = (rnd_buf_info *) rng_state;
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size_t use_len;
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if( rng_state == NULL )
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return( rnd_std_rand( NULL, output, len ) );
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use_len = len;
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if( len > info->length )
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use_len = info->length;
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if( use_len )
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{
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memcpy( output, info->buf, use_len );
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info->buf += use_len;
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info->length -= use_len;
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}
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if( len - use_len > 0 )
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return( rnd_std_rand( NULL, output + use_len, len - use_len ) );
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return( 0 );
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}
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/**
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* Info structure for the pseudo random function
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*
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* Key should be set at the start to a test-unique value.
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* Do not forget endianness!
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* State( v0, v1 ) should be set to zero.
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*/
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typedef struct
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{
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uint32_t key[16];
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uint32_t v0, v1;
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} rnd_pseudo_info;
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/**
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* This function returns random based on a pseudo random function.
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* This means the results should be identical on all systems.
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* Pseudo random is based on the XTEA encryption algorithm to
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* generate pseudorandom.
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*
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* rng_state shall be a pointer to a rnd_pseudo_info structure.
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*/
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static int rnd_pseudo_rand( void *rng_state, unsigned char *output, size_t len )
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{
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rnd_pseudo_info *info = (rnd_pseudo_info *) rng_state;
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uint32_t i, *k, sum, delta=0x9E3779B9;
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unsigned char result[4], *out = output;
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if( rng_state == NULL )
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return( rnd_std_rand( NULL, output, len ) );
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k = info->key;
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while( len > 0 )
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||
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{
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||
|
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size_t use_len = ( len > 4 ) ? 4 : len;
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|
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sum = 0;
|
||
|
|
|
||
|
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for( i = 0; i < 32; i++ )
|
||
|
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{
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||
|
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info->v0 += ( ( ( info->v1 << 4 ) ^ ( info->v1 >> 5 ) )
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|
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+ info->v1 ) ^ ( sum + k[sum & 3] );
|
||
|
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sum += delta;
|
||
|
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info->v1 += ( ( ( info->v0 << 4 ) ^ ( info->v0 >> 5 ) )
|
||
|
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+ info->v0 ) ^ ( sum + k[( sum>>11 ) & 3] );
|
||
|
|
}
|
||
|
|
|
||
|
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PUT_UINT32_BE( info->v0, result, 0 );
|
||
|
|
memcpy( out, result, use_len );
|
||
|
|
len -= use_len;
|
||
|
|
out += 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
return( 0 );
|
||
|
|
}
|
||
|
|
|
||
|
|
static void test_fail( const char *test, int line_no, const char* filename )
|
||
|
|
{
|
||
|
|
test_info.failed = 1;
|
||
|
|
test_info.test = test;
|
||
|
|
test_info.line_no = line_no;
|
||
|
|
test_info.filename = filename;
|
||
|
|
}
|