CRYPTO(4): Port to RTEMS

1 files changed, 198 insertions, 0 deletions

diff --git a/testsuite/crypto01/test_main.c b/testsuite/crypto01/test_main.c
new file mode 100644
index 00000000..5c6b725e
--- /dev/null
+++ b/testsuite/crypto01/test_main.c
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2018 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <crypto/cryptodev.h>
+
+#include <assert.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define	TEST_NAME "LIBBSD CRYPTO 1"
+
+#define	KEY_LENGTH 16
+
+typedef struct {
+	int dev_fd;
+	int session_fd;
+	struct session2_op session;
+} test_context;
+
+static test_context test_instance;
+
+/* Test data obtained from http://cryptodev-linux.org/ */
+
+static const char iv[AES_BLOCK_LEN];
+
+static const char key_0[KEY_LENGTH] = { 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+static const char plaintext_0[AES_BLOCK_LEN];
+
+static const char ciphertext_0[AES_BLOCK_LEN] = { 0xdf, 0x55, 0x6a, 0x33, 0x43,
+    0x8d, 0xb8, 0x7b, 0xc4, 0x1b, 0x17, 0x52, 0xc5, 0x5e, 0x5e, 0x49 };
+
+static const char key_1[KEY_LENGTH];
+
+static const char plaintext_1[AES_BLOCK_LEN] = { 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00 };
+
+static const char ciphertext_1[AES_BLOCK_LEN] = { 0xb7, 0x97, 0x2b, 0x39, 0x41,
+    0xc4, 0x4b, 0x90, 0xaf, 0xa7, 0xb2, 0x64, 0xbf, 0xba, 0x73, 0x87 };
+
+static void
+aes_session_create(test_context *ctx, const void *key, size_t keylen)
+{
+	int rv;
+
+	rv = ioctl(ctx->dev_fd, CRIOGET, &ctx->session_fd);
+	assert(rv == 0);
+
+	memset(&ctx->session, 0, sizeof(ctx->session));
+	ctx->session.cipher = CRYPTO_AES_CBC;
+	ctx->session.key = (caddr_t)key;
+	ctx->session.keylen = (u_int32_t)keylen;
+	ctx->session.crid = CRYPTO_FLAG_HARDWARE | CRYPTO_FLAG_SOFTWARE;
+
+	rv = ioctl(ctx->session_fd, CIOCGSESSION2, &ctx->session);
+	assert(rv == 0);
+}
+
+static void
+aes_session_destroy(test_context *ctx)
+{
+	int rv;
+
+	rv = ioctl(ctx->session_fd, CIOCFSESSION, &ctx->session.ses);
+	assert(rv == 0);
+
+	rv = close(ctx->session_fd);
+	assert(rv == 0);
+}
+
+static void
+aes_encrypt(const test_context *ctx, const void *iv, const void *plaintext,
+    void *ciphertext, size_t len)
+{
+	struct crypt_op op;
+	int rv;
+
+	memset(&op, 0, sizeof(op));
+	op.op = COP_ENCRYPT;
+	op.ses = ctx->session.ses;
+	op.len = (u_int)len;
+	op.src = __DECONST(void *, plaintext);
+	op.dst = ciphertext;
+	op.iv = __DECONST(void *, iv);
+	rv = ioctl(ctx->session_fd, CIOCCRYPT, &op);
+	assert(rv == 0);
+}
+
+static void
+aes_decrypt(const test_context *ctx, const void *iv, const void *ciphertext,
+    void *plaintext, size_t len)
+{
+	struct crypt_op op;
+	int rv;
+
+	memset(&op, 0, sizeof(op));
+	op.op = COP_DECRYPT;
+	op.ses = ctx->session.ses;
+	op.len = (u_int)len;
+	op.src = __DECONST(void *, ciphertext);
+	op.dst = plaintext;
+	op.iv = __DECONST(void *, iv);
+	rv = ioctl(ctx->session_fd, CIOCCRYPT, &op);
+	assert(rv == 0);
+}
+
+static void
+aes_test(test_context *ctx, const char *key, const char *plaintext,
+    const char *expected_ciphertext)
+{
+	char ciphertext[AES_BLOCK_LEN];
+	char decrypted_ciphertext[AES_BLOCK_LEN];
+
+	aes_session_create(ctx, key, KEY_LENGTH);
+
+	memset(ciphertext, 0xff, AES_BLOCK_LEN);
+	aes_encrypt(ctx, iv, plaintext, ciphertext, AES_BLOCK_LEN);
+	assert(memcmp(ciphertext, expected_ciphertext, AES_BLOCK_LEN) == 0);
+
+	memset(decrypted_ciphertext, 0xff, AES_BLOCK_LEN);
+	aes_decrypt(ctx, iv, ciphertext, decrypted_ciphertext, AES_BLOCK_LEN);
+	assert(memcmp(decrypted_ciphertext, plaintext, AES_BLOCK_LEN) == 0);
+
+	aes_session_destroy(ctx);
+}
+
+static void
+test_main(void)
+{
+	test_context *ctx;
+	int allow;
+	int rv;
+
+	ctx = &test_instance;
+
+	allow = 1;
+	rv = sysctlbyname("kern.cryptodevallowsoft", NULL, NULL, &allow,
+	    sizeof(allow));
+	assert(rv == 0);
+
+	ctx->dev_fd = open("/dev/crypto", O_RDWR);
+	assert(ctx->dev_fd >= 0);
+
+	aes_test(ctx, key_0, plaintext_0, ciphertext_0);
+	aes_test(ctx, key_1, plaintext_1, ciphertext_1);
+
+	rv = close(ctx->dev_fd);
+	assert(rv == 0);
+
+	exit(0);
+}
+
+#include <rtems/bsd/bsd.h>
+
+#include <machine/rtems-bsd-nexus-bus.h>
+
+SYSINIT_MODULE_REFERENCE(cryptodev);
+
+RTEMS_BSD_DEFINE_NEXUS_DEVICE(cryptosoft, 0, 0, NULL);
+
+#include <rtems/bsd/test/default-init.h>