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Zeroize return buf on failure in platform.c

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This commit is contained in:
Andres Amaya Garcia 2017-06-26 11:10:22 +01:00
parent 13f41e1c20
commit 79a2e7ef06
1 changed files with 3 additions and 2 deletions
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5
library/platform.c
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@ -228,12 +228,13 @@ int mbedtls_platform_std_nv_seed_read( unsigned char *buf, size_t buf_len )
size_t n; size_t n;
if( ( file = fopen( MBEDTLS_PLATFORM_STD_NV_SEED_FILE, "rb" ) ) == NULL ) if( ( file = fopen( MBEDTLS_PLATFORM_STD_NV_SEED_FILE, "rb" ) ) == NULL )
return -1; return( -1 );
if( ( n = fread( buf, 1, buf_len, file ) ) != buf_len ) if( ( n = fread( buf, 1, buf_len, file ) ) != buf_len )
{ {
fclose( file ); fclose( file );
return -1; mbedtls_zeroize( buf, buf_len );
return( -1 );
} }
fclose( file ); fclose( file );