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Fix memory leaks in example programs.

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This commit is contained in:
Janos Follath 2016-03-17 15:21:39 +00:00 committed by Simon Butcher
parent e6aef9fa70
commit f713b0a6ce
4 changed files with 12 additions and 9 deletions
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6
programs/pkey/rsa_decrypt.c
View File

@ -69,6 +69,8 @@ int main( int argc, char *argv[] )
memset(result, 0, sizeof( result ) ); memset(result, 0, sizeof( result ) );
mbedtls_ctr_drbg_init( &ctr_drbg ); mbedtls_ctr_drbg_init( &ctr_drbg );
mbedtls_entropy_init( &entropy );
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
ret = 1; ret = 1;
if( argc != 1 ) if( argc != 1 )
@ -85,7 +87,6 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Seeding the random number generator..." ); mbedtls_printf( "\n . Seeding the random number generator..." );
fflush( stdout ); fflush( stdout );
mbedtls_entropy_init( &entropy );
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
(const unsigned char *) pers, (const unsigned char *) pers,
strlen( pers ) ) ) != 0 ) strlen( pers ) ) ) != 0 )
@ -104,8 +105,6 @@ int main( int argc, char *argv[] )
goto exit; goto exit;
} }
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
if( ( ret = mbedtls_mpi_read_file( &rsa.N , 16, f ) ) != 0 || if( ( ret = mbedtls_mpi_read_file( &rsa.N , 16, f ) ) != 0 ||
( ret = mbedtls_mpi_read_file( &rsa.E , 16, f ) ) != 0 || ( ret = mbedtls_mpi_read_file( &rsa.E , 16, f ) ) != 0 ||
( ret = mbedtls_mpi_read_file( &rsa.D , 16, f ) ) != 0 || ( ret = mbedtls_mpi_read_file( &rsa.D , 16, f ) ) != 0 ||
@ -171,6 +170,7 @@ int main( int argc, char *argv[] )
exit: exit:
mbedtls_ctr_drbg_free( &ctr_drbg ); mbedtls_ctr_drbg_free( &ctr_drbg );
mbedtls_entropy_free( &entropy ); mbedtls_entropy_free( &entropy );
mbedtls_rsa_free( &rsa );
#if defined(_WIN32) #if defined(_WIN32)
mbedtls_printf( " + Press Enter to exit this program.\n" ); mbedtls_printf( " + Press Enter to exit this program.\n" );

4
programs/pkey/rsa_encrypt.c
View File

@ -67,6 +67,7 @@ int main( int argc, char *argv[] )
unsigned char buf[512]; unsigned char buf[512];
const char *pers = "rsa_encrypt"; const char *pers = "rsa_encrypt";
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
mbedtls_ctr_drbg_init( &ctr_drbg ); mbedtls_ctr_drbg_init( &ctr_drbg );
ret = 1; ret = 1;
@ -104,8 +105,6 @@ int main( int argc, char *argv[] )
goto exit; goto exit;
} }
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
if( ( ret = mbedtls_mpi_read_file( &rsa.N, 16, f ) ) != 0 || if( ( ret = mbedtls_mpi_read_file( &rsa.N, 16, f ) ) != 0 ||
( ret = mbedtls_mpi_read_file( &rsa.E, 16, f ) ) != 0 ) ( ret = mbedtls_mpi_read_file( &rsa.E, 16, f ) ) != 0 )
{ {
@ -160,6 +159,7 @@ int main( int argc, char *argv[] )
exit: exit:
mbedtls_ctr_drbg_free( &ctr_drbg ); mbedtls_ctr_drbg_free( &ctr_drbg );
mbedtls_entropy_free( &entropy ); mbedtls_entropy_free( &entropy );
mbedtls_rsa_free( &rsa );
#if defined(_WIN32) #if defined(_WIN32)
mbedtls_printf( " + Press Enter to exit this program.\n" ); mbedtls_printf( " + Press Enter to exit this program.\n" );

5
programs/pkey/rsa_sign.c
View File

@ -62,6 +62,7 @@ int main( int argc, char *argv[] )
unsigned char buf[MBEDTLS_MPI_MAX_SIZE]; unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
char filename[512]; char filename[512];
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
ret = 1; ret = 1;
if( argc != 2 ) if( argc != 2 )
@ -86,8 +87,6 @@ int main( int argc, char *argv[] )
goto exit; goto exit;
} }
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
if( ( ret = mbedtls_mpi_read_file( &rsa.N , 16, f ) ) != 0 || if( ( ret = mbedtls_mpi_read_file( &rsa.N , 16, f ) ) != 0 ||
( ret = mbedtls_mpi_read_file( &rsa.E , 16, f ) ) != 0 || ( ret = mbedtls_mpi_read_file( &rsa.E , 16, f ) ) != 0 ||
( ret = mbedtls_mpi_read_file( &rsa.D , 16, f ) ) != 0 || ( ret = mbedtls_mpi_read_file( &rsa.D , 16, f ) ) != 0 ||
@ -157,6 +156,8 @@ int main( int argc, char *argv[] )
exit: exit:
mbedtls_rsa_free( &rsa );
#if defined(_WIN32) #if defined(_WIN32)
mbedtls_printf( " + Press Enter to exit this program.\n" ); mbedtls_printf( " + Press Enter to exit this program.\n" );
fflush( stdout ); getchar(); fflush( stdout ); getchar();

6
programs/pkey/rsa_verify.c
View File

@ -61,7 +61,9 @@ int main( int argc, char *argv[] )
unsigned char buf[MBEDTLS_MPI_MAX_SIZE]; unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
char filename[512]; char filename[512];
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
ret = 1; ret = 1;
if( argc != 2 ) if( argc != 2 )
{ {
mbedtls_printf( "usage: rsa_verify <filename>\n" ); mbedtls_printf( "usage: rsa_verify <filename>\n" );
@ -83,8 +85,6 @@ int main( int argc, char *argv[] )
goto exit; goto exit;
} }
mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
if( ( ret = mbedtls_mpi_read_file( &rsa.N, 16, f ) ) != 0 || if( ( ret = mbedtls_mpi_read_file( &rsa.N, 16, f ) ) != 0 ||
( ret = mbedtls_mpi_read_file( &rsa.E, 16, f ) ) != 0 ) ( ret = mbedtls_mpi_read_file( &rsa.E, 16, f ) ) != 0 )
{ {
@ -149,6 +149,8 @@ int main( int argc, char *argv[] )
exit: exit:
mbedtls_rsa_free( &rsa );
#if defined(_WIN32) #if defined(_WIN32)
mbedtls_printf( " + Press Enter to exit this program.\n" ); mbedtls_printf( " + Press Enter to exit this program.\n" );
fflush( stdout ); getchar(); fflush( stdout ); getchar();