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authorConstanza Heath <[email protected]>2016-02-16 17:05:44 -0800
committerConstanza Heath <[email protected]>2016-02-16 17:05:44 -0800
commit60bd297541e891d9baf35673a9b35995825b9828 (patch)
treeffe8e3f8d461e83a2e6176c4ae73ec08920f1931 /lib/utils.c
parentb3b399275678645c8167f5e153f6ce793d32bb8f (diff)
Updating TinyCrypt v2 primitives to add ECC, CCM, and CMAC.
Signed-off-by: Constanza Heath <[email protected]>
Diffstat (limited to 'lib/utils.c')
-rw-r--r--lib/utils.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/lib/utils.c b/lib/utils.c
deleted file mode 100644
index 3883d5f..0000000
--- a/lib/utils.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* utils.c - TinyCrypt platform-dependent run-time operations */
-
-/*
- * Copyright (C) 2015 by Intel Corporation, 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.
- */
-
-#include <utils.h>
-
-#include <string.h>
-
-#define MASK_MOST_SIG_BIT 0x80
-#define MASK_TWENTY_SEVEN 0x1b
-
-uint32_t _copy(uint8_t *to, uint32_t to_len, const uint8_t *from, uint32_t from_len)
-{
- if (from_len <= to_len) {
- (void)memcpy(to, from, from_len);
- return from_len;
- } else {
- return TC_FAIL;
- }
-}
-
-void _set(uint8_t *to, uint8_t val, uint32_t len)
-{
- (void)memset(to, val, len);
-}
-
-/* Doubles the value of a byte for values up to 127. Original 'return
- * ((a<<1) ^ ((a>>7) * 0x1b))' re-written to avoid extra multiplicaiton which
- * the compiler won't be able to optimize */
-uint8_t _double_byte(uint8_t a)
-{
- return (a & MASK_MOST_SIG_BIT) ? ((a << 1) ^ MASK_TWENTY_SEVEN) : (a << 1);
-}