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Fix possible memory leak in <MD>_ext()

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This commit is contained in:
Andres Amaya Garcia 2017-07-20 14:34:08 +01:00
parent 94682d1d7d
commit 0963e6cfac
7 changed files with 35 additions and 29 deletions
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9
library/sha256.c
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@ -355,17 +355,18 @@ int mbedtls_sha256_ext( const unsigned char *input,
mbedtls_sha256_init( &ctx );
if( ( ret = mbedtls_sha256_starts_ext( &ctx, is224 ) ) != 0 )
return( ret );
goto exit;
if( ( ret = mbedtls_sha256_update_ext( &ctx, input, ilen ) ) != 0 )
return( ret );
goto exit;
if( ( ret = mbedtls_sha256_finish_ext( &ctx, output ) ) != 0 )
return( ret );
goto exit;
exit:
mbedtls_sha256_free( &ctx );
return( 0 );
return( ret );
}
#if defined(MBEDTLS_SELF_TEST)