127 lines
3.5 KiB
C
127 lines
3.5 KiB
C
/* $NetBSD: h_gcm.c,v 1.2 2014/01/17 14:16:08 pgoyette Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <crypto/cryptodev.h>
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unsigned char key[20] = { 0 };
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char plaintx[16] = { 0 };
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unsigned char iv[16] = { 0 };
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const unsigned char ciphertx[16] = {
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0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92,
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0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78
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};
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const unsigned char hash[16] = {
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0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd,
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0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf
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};
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int
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main(void)
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{
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int fd, res;
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struct session_op cs;
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struct crypt_op co;
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unsigned char databuf[16];
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unsigned char macbuf[16];
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unsigned char databuf2[16];
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fd = open("/dev/crypto", O_RDWR, 0);
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if (fd < 0)
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err(1, "open");
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memset(&cs, 0, sizeof(cs));
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cs.mac = CRYPTO_AES_128_GMAC;
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cs.mackeylen = sizeof(key);
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cs.mackey = key;
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cs.cipher = CRYPTO_AES_GCM_16;
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cs.key = key;
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cs.keylen = sizeof(key);
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res = ioctl(fd, CIOCGSESSION, &cs);
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if (res < 0)
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err(1, "CIOCGSESSION");
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memset(&co, 0, sizeof(co));
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memset(databuf, 0, sizeof(databuf));
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memset(macbuf, 0, sizeof(macbuf));
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co.ses = cs.ses;
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co.op = COP_ENCRYPT;
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co.len = sizeof(plaintx);
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co.src = plaintx;
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co.dst = databuf;
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co.mac = macbuf;
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co.iv = iv;
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res = ioctl(fd, CIOCCRYPT, &co);
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if (res < 0)
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err(1, "CIOCCRYPT");
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#if 1
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if (memcmp(co.dst, ciphertx, sizeof(ciphertx)))
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errx(1, "verification failed");
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if (memcmp(macbuf, hash, sizeof(hash)))
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errx(1, "hash failed");
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#else
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{
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int i;
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for (i = 0; i < sizeof(databuf); i++)
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printf("%02x ", databuf[i]);
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printf("\n");
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}
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{
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int i;
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for (i = 0; i < sizeof(macbuf); i++)
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printf("%02x ", macbuf[i]);
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printf("\n");
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}
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#endif
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memset(databuf2, 0, sizeof(databuf2));
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memset(macbuf, 0, sizeof(macbuf));
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co.ses = cs.ses;
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co.op = COP_DECRYPT;
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co.len = sizeof(databuf);
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co.src = databuf;
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co.dst = databuf2;
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co.mac = macbuf;
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co.iv = iv;
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res = ioctl(fd, CIOCCRYPT, &co);
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if (res < 0)
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err(1, "CIOCCRYPT");
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if (memcmp(co.dst, plaintx, sizeof(plaintx)))
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errx(1, "verification failed");
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if (memcmp(macbuf, hash, sizeof(hash)))
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errx(1, "hash failed");
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return 0;
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}
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