// =================================================================== // // Copyright (c) 2005, Intel Corp. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Intel Corporation nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE // COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED // OF THE POSSIBILITY OF SUCH DAMAGE. // =================================================================== // // vtpm_migrator_if.c // // Provides functions to call open network connection & call // a function on the vtpm_migratord on the destination // // ================================================================== #include #include #include #include #include #include #include #include #include "tcg.h" #include "buffer.h" #include "log.h" #include "bsg.h" #include "vtpm_migrator.h" static int sock_desc; TPM_RESULT vtpm_migratord_open(char *server_address){ TPM_RESULT status = TPM_FAIL; /* network variables */ struct in_addr ip_addr; struct sockaddr_in server_addr; int addr_len; struct hostent *dns_info=NULL; /* set up connection to server*/ dns_info = gethostbyname(server_address); ip_addr.s_addr = *((unsigned long *) dns_info->h_addr_list[0]); if(ip_addr.s_addr < 0) { status = TPM_BAD_PARAMETER; goto abort_egress; } /* set up server variable */ memset((char *)&server_addr, 0, sizeof(server_addr)); server_addr.sin_family = AF_INET; server_addr.sin_port = htons(VTPM_MIG_PORT); server_addr.sin_addr.s_addr = ip_addr.s_addr; /* open socket, make connection */ sock_desc = socket(AF_INET, SOCK_STREAM, 0); if (sock_desc < 0 ) { status = TPM_IOERROR; goto abort_egress; } if (connect(sock_desc, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0 ) { status = TPM_BAD_PARAMETER; goto abort_egress; } status = TPM_SUCCESS; goto egress; abort_egress: egress: return status; } void vtpm_migratord_close() { close(sock_desc); } TPM_RESULT vtpm_migratord_command(TPM_COMMAND_CODE ord, buffer_t *command_param_buf, TPM_RESULT *cmd_status, /* out */ buffer_t *result_param_buf) { TPM_RESULT status = TPM_FAIL; int size_read, size_write, i; BYTE *command, response_header[VTPM_COMMAND_HEADER_SIZE]; UINT32 dmi_id=0, command_size, out_param_size, adj_param_size; TPM_TAG tag=VTPM_MTAG_REQ; if ( (!command_param_buf) || (!result_param_buf) || (!cmd_status) ) { status = TPM_BAD_PARAMETER; goto abort_egress; } command_size = VTPM_COMMAND_HEADER_SIZE + buffer_len(command_param_buf); command = (BYTE *) malloc( command_size ); if (!command) { status = TPM_RESOURCES; goto abort_egress; } BSG_PackList(command, 3, BSG_TPM_TAG, &tag, BSG_TYPE_UINT32, &command_size, BSG_TPM_COMMAND_CODE, &ord ); memcpy(command + VTPM_COMMAND_HEADER_SIZE, command_param_buf->bytes, buffer_len(command_param_b
# verbose

graph macc22
	node mul_1 mul A 32 B 32 Y 32
	node mul_2 mul A 32 B 32 Y 32
	node add_1 add A 32 B 32 Y 32
	connect mul_1 Y add_1 A
	connect mul_2 Y add_1 B
	extern mul_1 A B
	extern mul_2 A B
	extern add_1 Y
endgraph

graph macc4x2
	node mul_1 mul A 32 B 32 Y 32
	node mul_2 mul A 32 B 32 Y 32
	node mul_3 mul A 32 B 32 Y 32
	node mul_4 mul A 32 B 32 Y 32
	node add_1 add A 32 B 32 Y 32
	node add_2 add A 32 B 32 Y 32
	node add_3 add A 32 B 32 Y 32
	connect mul_1 Y add_1 A
	connect mul_2 Y add_1 B
	connect mul_3 Y add_2 A
	connect mul_4 Y add_2 B
	connect add_1 Y add_3 A
	connect add_2 Y add_3 B
	extern mul_1 A B
	extern mul_2 A B
	extern mul_3 A B
	extern mul_4 A B
	extern add_3 Y
endgraph

swapgroup mul A B
swapgroup add A B

mine 2 10 2
expect 6
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-07 18:17:32 +0000