commit f713b0a6ce49b333d59fc2b30dffc6fd9f46a6fb
author Janos Follath <janos.follath@arm.com> Thu Mar 17 15:21:39 2016 +0000
committer Simon Butcher <simon.butcher@arm.com> Mon Apr 11 23:32:39 2016 +0100
tree 162b9521f2c75fcd45dfa970c3d085c4866a3f4e
parent e6aef9fa70d6d57adba8bc9500b3904b5c02140f

Fix memory leaks in example programs.

programs/pkey/rsa_decrypt.c

diff --git a/programs/pkey/rsa_decrypt.c b/programs/pkey/rsa_decrypt.c
index 94431e0..37227e8 100644
--- a/programs/pkey/rsa_decrypt.c
+++ b/programs/pkey/rsa_decrypt.c
@@ -69,6 +69,8 @@
 
     memset(result, 0, sizeof( result ) );
     mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_entropy_init( &entropy );
+    mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
     ret = 1;
 
     if( argc != 1 )
@@ -85,7 +87,6 @@
     mbedtls_printf( "\n  . Seeding the random number generator..." );
     fflush( stdout );
 
-    mbedtls_entropy_init( &entropy );
     if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
                                (const unsigned char *) pers,
                                strlen( pers ) ) ) != 0 )
@@ -104,8 +105,6 @@
         goto exit;
     }
 
-    mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 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.D , 16, f ) ) != 0 ||
@@ -171,6 +170,7 @@
 exit:
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
+    mbedtls_rsa_free( &rsa );
 
 #if defined(_WIN32)
     mbedtls_printf( "  + Press Enter to exit this program.\n" );