int main( int argc, char *argv[] ) { int ret = 0; pk_context key; char buf[1024]; int i; char *p, *q; /* * Set to sane values */ pk_init( &key ); memset( buf, 0, sizeof( buf ) ); if( argc == 0 ) { usage: ret = 1; polarssl_printf( USAGE ); goto exit; } opt.mode = DFL_MODE; opt.filename = DFL_FILENAME; opt.output_mode = DFL_OUTPUT_MODE; opt.output_file = DFL_OUTPUT_FILENAME; opt.output_format = DFL_OUTPUT_FORMAT; for( i = 1; i < argc; i++ ) { p = argv[i]; if( ( q = strchr( p, '=' ) ) == NULL ) goto usage; *q++ = '\0'; if( strcmp( p, "mode" ) == 0 ) { if( strcmp( q, "private" ) == 0 ) opt.mode = MODE_PRIVATE; else if( strcmp( q, "public" ) == 0 ) opt.mode = MODE_PUBLIC; else goto usage; } else if( strcmp( p, "output_mode" ) == 0 ) { if( strcmp( q, "private" ) == 0 ) opt.output_mode = OUTPUT_MODE_PRIVATE; else if( strcmp( q, "public" ) == 0 ) opt.output_mode = OUTPUT_MODE_PUBLIC; else goto usage; } else if( strcmp( p, "output_format" ) == 0 ) { #if defined(POLARSSL_PEM_WRITE_C) if( strcmp( q, "pem" ) == 0 ) opt.output_format = OUTPUT_FORMAT_PEM; else #endif if( strcmp( q, "der" ) == 0 ) opt.output_format = OUTPUT_FORMAT_DER; else goto usage; } else if( strcmp( p, "filename" ) == 0 ) opt.filename = q; else if( strcmp( p, "output_file" ) == 0 ) opt.output_file = q; else goto usage; } if( opt.mode == MODE_NONE && opt.output_mode != OUTPUT_MODE_NONE ) { polarssl_printf( "\nCannot output a key without reading one.\n"); goto exit; } if( opt.mode == MODE_PUBLIC && opt.output_mode == OUTPUT_MODE_PRIVATE ) { polarssl_printf( "\nCannot output a private key from a public key.\n"); goto exit; } if( opt.mode == MODE_PRIVATE ) { /* * 1.1. Load the key */ polarssl_printf( "\n . Loading the private key ..." ); fflush( stdout ); ret = pk_parse_keyfile( &key, opt.filename, NULL ); if( ret != 0 ) { polarssl_strerror( ret, (char *) buf, sizeof(buf) ); polarssl_printf( " failed\n ! pk_parse_keyfile returned -0x%04x - %s\n\n", -ret, buf ); goto exit; } polarssl_printf( " ok\n" ); /* * 1.2 Print the key */ polarssl_printf( " . Key information ...\n" ); #if defined(POLARSSL_RSA_C) if( pk_get_type( &key ) == POLARSSL_PK_RSA ) { rsa_context *rsa = pk_rsa( key ); mpi_write_file( "N: ", &rsa->N, 16, NULL ); mpi_write_file( "E: ", &rsa->E, 16, NULL ); mpi_write_file( "D: ", &rsa->D, 16, NULL ); mpi_write_file( "P: ", &rsa->P, 16, NULL ); mpi_write_file( "Q: ", &rsa->Q, 16, NULL ); mpi_write_file( "DP: ", &rsa->DP, 16, NULL ); mpi_write_file( "DQ: ", &rsa->DQ, 16, NULL ); mpi_write_file( "QP: ", &rsa->QP, 16, NULL ); } else #endif #if defined(POLARSSL_ECP_C) if( pk_get_type( &key ) == POLARSSL_PK_ECKEY ) { ecp_keypair *ecp = pk_ec( key ); mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL ); mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL ); mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL ); mpi_write_file( "D : ", &ecp->d , 16, NULL ); } else #endif polarssl_printf("key type not supported yet\n"); } else if( opt.mode == MODE_PUBLIC ) { /* * 1.1. Load the key */ polarssl_printf( "\n . Loading the public key ..." ); fflush( stdout ); ret = pk_parse_public_keyfile( &key, opt.filename ); if( ret != 0 ) { polarssl_strerror( ret, (char *) buf, sizeof(buf) ); polarssl_printf( " failed\n ! pk_parse_public_key returned -0x%04x - %s\n\n", -ret, buf ); goto exit; } polarssl_printf( " ok\n" ); /* * 1.2 Print the key */ polarssl_printf( " . Key information ...\n" ); #if defined(POLARSSL_RSA_C) if( pk_get_type( &key ) == POLARSSL_PK_RSA ) { rsa_context *rsa = pk_rsa( key ); mpi_write_file( "N: ", &rsa->N, 16, NULL ); mpi_write_file( "E: ", &rsa->E, 16, NULL ); } else #endif #if defined(POLARSSL_ECP_C) if( pk_get_type( &key ) == POLARSSL_PK_ECKEY ) { ecp_keypair *ecp = pk_ec( key ); mpi_write_file( "Q(X): ", &ecp->Q.X, 16, NULL ); mpi_write_file( "Q(Y): ", &ecp->Q.Y, 16, NULL ); mpi_write_file( "Q(Z): ", &ecp->Q.Z, 16, NULL ); } else #endif polarssl_printf("key type not supported yet\n"); } else goto usage; if( opt.output_mode == OUTPUT_MODE_PUBLIC ) { write_public_key( &key, opt.output_file ); } if( opt.output_mode == OUTPUT_MODE_PRIVATE ) { write_private_key( &key, opt.output_file ); } exit: if( ret != 0 && ret != 1) { #ifdef POLARSSL_ERROR_C polarssl_strerror( ret, buf, sizeof( buf ) ); polarssl_printf( " - %s\n", buf ); #else polarssl_printf("\n"); #endif } pk_free( &key ); #if defined(_WIN32) polarssl_printf( " + Press Enter to exit this program.\n" ); fflush( stdout ); getchar(); #endif return( ret ); }
int main( int argc, char *argv[] ) { int ret = 0; pk_context key; char buf[1024]; int i; char *p, *q; entropy_context entropy; ctr_drbg_context ctr_drbg; const char *pers = "gen_key"; #if defined(POLARSSL_ECP_C) const ecp_curve_info *curve_info; #endif /* * Set to sane values */ pk_init( &key ); memset( buf, 0, sizeof( buf ) ); if( argc == 0 ) { usage: ret = 1; printf( USAGE ); #if defined(POLARSSL_ECP_C) printf( " availabled ec_curve values:\n" ); curve_info = ecp_curve_list(); printf( " %s (default)\n", curve_info->name ); while( ( ++curve_info )->name != NULL ) printf( " %s\n", curve_info->name ); #endif goto exit; } opt.type = DFL_TYPE; opt.rsa_keysize = DFL_RSA_KEYSIZE; opt.ec_curve = DFL_EC_CURVE; opt.filename = DFL_FILENAME; opt.format = DFL_FORMAT; opt.use_dev_random = DFL_USE_DEV_RANDOM; for( i = 1; i < argc; i++ ) { p = argv[i]; if( ( q = strchr( p, '=' ) ) == NULL ) goto usage; *q++ = '\0'; if( strcmp( p, "type" ) == 0 ) { if( strcmp( q, "rsa" ) == 0 ) opt.type = POLARSSL_PK_RSA; else if( strcmp( q, "ec" ) == 0 ) opt.type = POLARSSL_PK_ECKEY; else goto usage; } else if( strcmp( p, "format" ) == 0 ) { if( strcmp( q, "pem" ) == 0 ) opt.format = FORMAT_PEM; else if( strcmp( q, "der" ) == 0 ) opt.format = FORMAT_DER; else goto usage; } else if( strcmp( p, "rsa_keysize" ) == 0 ) { opt.rsa_keysize = atoi( q ); if( opt.rsa_keysize < 1024 || opt.rsa_keysize > 8192 ) goto usage; } else if( strcmp( p, "ec_curve" ) == 0 ) { if( ( curve_info = ecp_curve_info_from_name( q ) ) == NULL ) goto usage; opt.ec_curve = curve_info->grp_id; } else if( strcmp( p, "filename" ) == 0 ) opt.filename = q; else if( strcmp( p, "use_dev_random" ) == 0 ) { opt.use_dev_random = atoi( q ); if( opt.use_dev_random < 0 || opt.use_dev_random > 1 ) goto usage; } else goto usage; } printf( "\n . Seeding the random number generator..." ); fflush( stdout ); entropy_init( &entropy ); #if !defined(_WIN32) && defined(POLARSSL_FS_IO) if( opt.use_dev_random ) { if( ( ret = entropy_add_source( &entropy, dev_random_entropy_poll, NULL, DEV_RANDOM_THRESHOLD ) ) != 0 ) { printf( " failed\n ! entropy_add_source returned -0x%04x\n", -ret ); goto exit; } printf("\n Using /dev/random, so can take a long time! " ); fflush( stdout ); } #endif /* !_WIN32 && POLARSSL_FS_IO */ if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy, (const unsigned char *) pers, strlen( pers ) ) ) != 0 ) { printf( " failed\n ! ctr_drbg_init returned -0x%04x\n", -ret ); goto exit; } /* * 1.1. Generate the key */ printf( "\n . Generating the private key ..." ); fflush( stdout ); if( ( ret = pk_init_ctx( &key, pk_info_from_type( opt.type ) ) ) != 0 ) { printf( " failed\n ! pk_init_ctx returned -0x%04x", -ret ); goto exit; } #if defined(POLARSSL_RSA_C) && defined(POLARSSL_GENPRIME) if( opt.type == POLARSSL_PK_RSA ) { ret = rsa_gen_key( pk_rsa( key ), ctr_drbg_random, &ctr_drbg, opt.rsa_keysize, 65537 ); if( ret != 0 ) { printf( " failed\n ! rsa_gen_key returned -0x%04x", -ret ); goto exit; } } else #endif /* POLARSSL_RSA_C */ #if defined(POLARSSL_ECP_C) if( opt.type == POLARSSL_PK_ECKEY ) { ret = ecp_gen_key( opt.ec_curve, pk_ec( key ), ctr_drbg_random, &ctr_drbg ); if( ret != 0 ) { printf( " failed\n ! rsa_gen_key returned -0x%04x", -ret ); goto exit; } } else #endif /* POLARSSL_ECP_C */ { printf( " failed\n ! key type not supported\n" ); goto exit; } /* * 1.2 Print the key */ printf( " ok\n . Key information:\n" ); #if defined(POLARSSL_RSA_C) if( pk_get_type( &key ) == POLARSSL_PK_RSA ) { rsa_context *rsa = pk_rsa( key ); mpi_write_file( "N: ", &rsa->N, 16, NULL ); mpi_write_file( "E: ", &rsa->E, 16, NULL ); mpi_write_file( "D: ", &rsa->D, 16, NULL ); mpi_write_file( "P: ", &rsa->P, 16, NULL ); mpi_write_file( "Q: ", &rsa->Q, 16, NULL ); mpi_write_file( "DP: ", &rsa->DP, 16, NULL ); mpi_write_file( "DQ: ", &rsa->DQ, 16, NULL ); mpi_write_file( "QP: ", &rsa->QP, 16, NULL ); } else #endif #if defined(POLARSSL_ECP_C) if( pk_get_type( &key ) == POLARSSL_PK_ECKEY ) { ecp_keypair *ecp = pk_ec( key ); printf( "curve: %s\n", ecp_curve_info_from_grp_id( ecp->grp.id )->name ); mpi_write_file( "X_Q: ", &ecp->Q.X, 16, NULL ); mpi_write_file( "Y_Q: ", &ecp->Q.Y, 16, NULL ); mpi_write_file( "D: ", &ecp->d , 16, NULL ); } else #endif printf(" ! key type not supported\n"); write_private_key( &key, opt.filename ); exit: if( ret != 0 && ret != 1) { #ifdef POLARSSL_ERROR_C polarssl_strerror( ret, buf, sizeof( buf ) ); printf( " - %s\n", buf ); #else printf("\n"); #endif } pk_free( &key ); ctr_drbg_free( &ctr_drbg ); entropy_free( &entropy ); #if defined(_WIN32) printf( " + Press Enter to exit this program.\n" ); fflush( stdout ); getchar(); #endif return( ret ); }
int main( int argc, char *argv[] ) { int ret = 0; rsa_context rsa; char buf[1024]; int i; char *p, *q; /* * Set to sane values */ memset( &rsa, 0, sizeof( rsa_context ) ); memset( buf, 0, 1024 ); if( argc == 0 ) { usage: printf( USAGE ); goto exit; } opt.mode = DFL_MODE; opt.filename = DFL_FILENAME; opt.debug_level = DFL_DEBUG_LEVEL; opt.output_mode = DFL_OUTPUT_MODE; opt.output_file = DFL_OUTPUT_FILENAME; for( i = 1; i < argc; i++ ) { p = argv[i]; if( ( q = strchr( p, '=' ) ) == NULL ) goto usage; *q++ = '\0'; if( strcmp( p, "mode" ) == 0 ) { if( strcmp( q, "private" ) == 0 ) opt.mode = MODE_PRIVATE; else if( strcmp( q, "public" ) == 0 ) opt.mode = MODE_PUBLIC; else goto usage; } else if( strcmp( p, "output_mode" ) == 0 ) { if( strcmp( q, "private" ) == 0 ) opt.output_mode = OUTPUT_MODE_PRIVATE; else if( strcmp( q, "public" ) == 0 ) opt.output_mode = OUTPUT_MODE_PUBLIC; else goto usage; } else if( strcmp( p, "filename" ) == 0 ) opt.filename = q; else if( strcmp( p, "output_file" ) == 0 ) opt.output_file = q; else if( strcmp( p, "debug_level" ) == 0 ) { opt.debug_level = atoi( q ); if( opt.debug_level < 0 || opt.debug_level > 65535 ) goto usage; } else goto usage; } if( opt.mode == MODE_NONE && opt.output_mode != OUTPUT_MODE_NONE ) { printf( "\nCannot output a key without reading one.\n"); goto exit; } if( opt.mode == MODE_PUBLIC && opt.output_mode == OUTPUT_MODE_PRIVATE ) { printf( "\nCannot output a private key from a public key.\n"); goto exit; } if( opt.mode == MODE_PRIVATE ) { /* * 1.1. Load the key */ printf( "\n . Loading the private key ..." ); fflush( stdout ); ret = x509parse_keyfile( &rsa, opt.filename, NULL ); if( ret != 0 ) { #ifdef POLARSSL_ERROR_C error_strerror( ret, buf, 1024 ); #endif printf( " failed\n ! x509parse_key returned %d - %s\n\n", ret, buf ); rsa_free( &rsa ); goto exit; } printf( " ok\n" ); /* * 1.2 Print the key */ printf( " . Key information ...\n" ); mpi_write_file( "N: ", &rsa.N, 16, NULL ); mpi_write_file( "E: ", &rsa.E, 16, NULL ); mpi_write_file( "D: ", &rsa.D, 16, NULL ); mpi_write_file( "P: ", &rsa.P, 16, NULL ); mpi_write_file( "Q: ", &rsa.Q, 16, NULL ); mpi_write_file( "DP: ", &rsa.DP, 16, NULL ); mpi_write_file( "DQ: ", &rsa.DQ, 16, NULL ); mpi_write_file( "QP: ", &rsa.QP, 16, NULL ); } else if( opt.mode == MODE_PUBLIC ) { /* * 1.1. Load the key */ printf( "\n . Loading the public key ..." ); fflush( stdout ); ret = x509parse_public_keyfile( &rsa, opt.filename ); if( ret != 0 ) { #ifdef POLARSSL_ERROR_C error_strerror( ret, buf, 1024 ); #endif printf( " failed\n ! x509parse_public_key returned %d - %s\n\n", ret, buf ); rsa_free( &rsa ); goto exit; } printf( " ok\n" ); /* * 1.2 Print the key */ printf( " . Key information ...\n" ); mpi_write_file( "N: ", &rsa.N, 16, NULL ); mpi_write_file( "E: ", &rsa.E, 16, NULL ); } else goto usage; if( opt.output_mode == OUTPUT_MODE_PUBLIC ) { write_public_key( &rsa, opt.output_file ); } if( opt.output_mode == OUTPUT_MODE_PRIVATE ) { write_private_key( &rsa, opt.output_file ); } exit: rsa_free( &rsa ); #if defined(_WIN32) printf( " + Press Enter to exit this program.\n" ); fflush( stdout ); getchar(); #endif return( ret ); }
int main( int argc, char *argv[] ) { int ret = 0; mbedtls_pk_context key; char buf[1024]; int i; char *p, *q; mbedtls_mpi N, P, Q, D, E, DP, DQ, QP; mbedtls_entropy_context entropy; mbedtls_ctr_drbg_context ctr_drbg; const char *pers = "gen_key"; #if defined(MBEDTLS_ECP_C) const mbedtls_ecp_curve_info *curve_info; #endif /* * Set to sane values */ mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP ); mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP ); mbedtls_pk_init( &key ); mbedtls_ctr_drbg_init( &ctr_drbg ); memset( buf, 0, sizeof( buf ) ); if( argc == 0 ) { usage: ret = 1; mbedtls_printf( USAGE ); #if defined(MBEDTLS_ECP_C) mbedtls_printf( " available ec_curve values:\n" ); curve_info = mbedtls_ecp_curve_list(); mbedtls_printf( " %s (default)\n", curve_info->name ); while( ( ++curve_info )->name != NULL ) mbedtls_printf( " %s\n", curve_info->name ); #endif goto exit; } opt.type = DFL_TYPE; opt.rsa_keysize = DFL_RSA_KEYSIZE; opt.ec_curve = DFL_EC_CURVE; opt.filename = DFL_FILENAME; opt.format = DFL_FORMAT; opt.use_dev_random = DFL_USE_DEV_RANDOM; for( i = 1; i < argc; i++ ) { p = argv[i]; if( ( q = strchr( p, '=' ) ) == NULL ) goto usage; *q++ = '\0'; if( strcmp( p, "type" ) == 0 ) { if( strcmp( q, "rsa" ) == 0 ) opt.type = MBEDTLS_PK_RSA; else if( strcmp( q, "ec" ) == 0 ) opt.type = MBEDTLS_PK_ECKEY; else goto usage; } else if( strcmp( p, "format" ) == 0 ) { if( strcmp( q, "pem" ) == 0 ) opt.format = FORMAT_PEM; else if( strcmp( q, "der" ) == 0 ) opt.format = FORMAT_DER; else goto usage; } else if( strcmp( p, "rsa_keysize" ) == 0 ) { opt.rsa_keysize = atoi( q ); if( opt.rsa_keysize < 1024 || opt.rsa_keysize > MBEDTLS_MPI_MAX_BITS ) goto usage; } #if defined(MBEDTLS_ECP_C) else if( strcmp( p, "ec_curve" ) == 0 ) { if( ( curve_info = mbedtls_ecp_curve_info_from_name( q ) ) == NULL ) goto usage; opt.ec_curve = curve_info->grp_id; } #endif else if( strcmp( p, "filename" ) == 0 ) opt.filename = q; else if( strcmp( p, "use_dev_random" ) == 0 ) { opt.use_dev_random = atoi( q ); if( opt.use_dev_random < 0 || opt.use_dev_random > 1 ) goto usage; } else goto usage; } mbedtls_printf( "\n . Seeding the random number generator..." ); fflush( stdout ); mbedtls_entropy_init( &entropy ); #if !defined(_WIN32) && defined(MBEDTLS_FS_IO) if( opt.use_dev_random ) { if( ( ret = mbedtls_entropy_add_source( &entropy, dev_random_entropy_poll, NULL, DEV_RANDOM_THRESHOLD, MBEDTLS_ENTROPY_SOURCE_STRONG ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_entropy_add_source returned -0x%04x\n", -ret ); goto exit; } mbedtls_printf("\n Using /dev/random, so can take a long time! " ); fflush( stdout ); } #endif /* !_WIN32 && MBEDTLS_FS_IO */ if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, (const unsigned char *) pers, strlen( pers ) ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%04x\n", -ret ); goto exit; } /* * 1.1. Generate the key */ mbedtls_printf( "\n . Generating the private key ..." ); fflush( stdout ); if( ( ret = mbedtls_pk_setup( &key, mbedtls_pk_info_from_type( opt.type ) ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_pk_setup returned -0x%04x", -ret ); goto exit; } #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME) if( opt.type == MBEDTLS_PK_RSA ) { ret = mbedtls_rsa_gen_key( mbedtls_pk_rsa( key ), mbedtls_ctr_drbg_random, &ctr_drbg, opt.rsa_keysize, 65537 ); if( ret != 0 ) { mbedtls_printf( " failed\n ! mbedtls_rsa_gen_key returned -0x%04x", -ret ); goto exit; } } else #endif /* MBEDTLS_RSA_C */ #if defined(MBEDTLS_ECP_C) if( opt.type == MBEDTLS_PK_ECKEY ) { ret = mbedtls_ecp_gen_key( opt.ec_curve, mbedtls_pk_ec( key ), mbedtls_ctr_drbg_random, &ctr_drbg ); if( ret != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ecp_gen_key returned -0x%04x", -ret ); goto exit; } } else #endif /* MBEDTLS_ECP_C */ { mbedtls_printf( " failed\n ! key type not supported\n" ); goto exit; } /* * 1.2 Print the key */ mbedtls_printf( " ok\n . Key information:\n" ); #if defined(MBEDTLS_RSA_C) if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_RSA ) { mbedtls_rsa_context *rsa = mbedtls_pk_rsa( key ); if( ( ret = mbedtls_rsa_export ( rsa, &N, &P, &Q, &D, &E ) ) != 0 || ( ret = mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) ) != 0 ) { mbedtls_printf( " failed\n ! could not export RSA parameters\n\n" ); goto exit; } mbedtls_mpi_write_file( "N: ", &N, 16, NULL ); mbedtls_mpi_write_file( "E: ", &E, 16, NULL ); mbedtls_mpi_write_file( "D: ", &D, 16, NULL ); mbedtls_mpi_write_file( "P: ", &P, 16, NULL ); mbedtls_mpi_write_file( "Q: ", &Q, 16, NULL ); mbedtls_mpi_write_file( "DP: ", &DP, 16, NULL ); mbedtls_mpi_write_file( "DQ: ", &DQ, 16, NULL ); mbedtls_mpi_write_file( "QP: ", &QP, 16, NULL ); } else #endif #if defined(MBEDTLS_ECP_C) if( mbedtls_pk_get_type( &key ) == MBEDTLS_PK_ECKEY ) { mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( key ); mbedtls_printf( "curve: %s\n", mbedtls_ecp_curve_info_from_grp_id( ecp->grp.id )->name ); mbedtls_mpi_write_file( "X_Q: ", &ecp->Q.X, 16, NULL ); mbedtls_mpi_write_file( "Y_Q: ", &ecp->Q.Y, 16, NULL ); mbedtls_mpi_write_file( "D: ", &ecp->d , 16, NULL ); } else #endif mbedtls_printf(" ! key type not supported\n"); /* * 1.3 Export key */ mbedtls_printf( " . Writing key to file..." ); if( ( ret = write_private_key( &key, opt.filename ) ) != 0 ) { mbedtls_printf( " failed\n" ); goto exit; } mbedtls_printf( " ok\n" ); exit: if( ret != 0 && ret != 1) { #ifdef MBEDTLS_ERROR_C mbedtls_strerror( ret, buf, sizeof( buf ) ); mbedtls_printf( " - %s\n", buf ); #else mbedtls_printf("\n"); #endif } mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP ); mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP ); mbedtls_pk_free( &key ); mbedtls_ctr_drbg_free( &ctr_drbg ); mbedtls_entropy_free( &entropy ); #if defined(_WIN32) mbedtls_printf( " + Press Enter to exit this program.\n" ); fflush( stdout ); getchar(); #endif return( ret ); }