eden-emu/mbedtls
20
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implement md_file in the MD layer

Browse source
This commit is contained in:
Manuel Pégourié-Gonnard 2015-05-28 14:44:00 +02:00
parent eb0d8706ce
commit bfffa908a6
5 changed files with 40 additions and 127 deletions
Download patch file Download diff file Expand all files Collapse all files

50
library/md.c
View file

@ -45,9 +45,8 @@
#include <string.h>
#if defined(_MSC_VER) && !defined strcasecmp && !defined(EFIX64) && \
!defined(EFI32)
#define strcasecmp _stricmp
#if defined(MBEDTLS_FS_IO)
#include <stdio.h>
#endif
/* Implementation that should never be optimized out by the compiler */
@ -270,28 +269,49 @@ int mbedtls_md( const mbedtls_md_info_t *md_info, const unsigned char *input, si
return( 0 );
}
#if defined(MBEDTLS_FS_IO)
int mbedtls_md_file( const mbedtls_md_info_t *md_info, const char *path, unsigned char *output )
{
#if defined(MBEDTLS_FS_IO)
int ret;
#endif
FILE *f;
size_t n;
mbedtls_md_context_t ctx;
unsigned char buf[1024];
if( md_info == NULL )
return( MBEDTLS_ERR_MD_BAD_INPUT_DATA );
#if defined(MBEDTLS_FS_IO)
ret = md_info->file_func( path, output );
if( ret != 0 )
return( MBEDTLS_ERR_MD_FILE_IO_ERROR + ret );
mbedtls_md_init( &ctx );
if( ( f = fopen( path, "rb" ) ) == NULL )
{
ret = MBEDTLS_ERR_MD_FILE_IO_ERROR;
goto cleanup;
}
if( ( ret = mbedtls_md_setup( &ctx, md_info, 0 ) ) != 0 )
goto cleanup;
md_info->starts_func( ctx.md_ctx );
while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 )
md_info->update_func( ctx.md_ctx, buf, n );
if( ferror( f ) != 0 )
{
ret = MBEDTLS_ERR_MD_FILE_IO_ERROR;
goto cleanup;
}
md_info->finish_func( ctx.md_ctx, output );
cleanup:
fclose( f );
mbedtls_md_free( &ctx );
return( ret );
#else
((void) path);
((void) output);
return( MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE );
#endif /* MBEDTLS_FS_IO */
}
#endif /* MBEDTLS_FS_IO */
int mbedtls_md_hmac_starts( mbedtls_md_context_t *ctx, const unsigned char *key, size_t keylen )
{