Xin Zhang / azure-iot-c-sdk-f767zi

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Dependents:   samplemqtt

c-utility/inc/azure_c_shared_utility/sha-private.h@0:f7f1f0d76dd6, 2018-08-23 (annotated)

Committer:
XinZhangMS
Date:
Thu Aug 23 06:52:14 2018 +0000
Revision:
0:f7f1f0d76dd6
azure-c-sdk for mbed os supporting NUCLEO_F767ZI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
XinZhangMS 0:f7f1f0d76dd6 1 // Copyright (c) Microsoft. All rights reserved.
XinZhangMS 0:f7f1f0d76dd6 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
XinZhangMS 0:f7f1f0d76dd6 3
XinZhangMS 0:f7f1f0d76dd6 4 /*************************** sha-private.h ***************************/
XinZhangMS 0:f7f1f0d76dd6 5 /********************** See RFC 4634 for details *********************/
XinZhangMS 0:f7f1f0d76dd6 6 #ifndef _SHA_PRIVATE__H
XinZhangMS 0:f7f1f0d76dd6 7 #define _SHA_PRIVATE__H
XinZhangMS 0:f7f1f0d76dd6 8 /*
XinZhangMS 0:f7f1f0d76dd6 9 * These definitions are defined in FIPS-180-2, section 4.1.
XinZhangMS 0:f7f1f0d76dd6 10 * Ch() and Maj() are defined identically in sections 4.1.1,
XinZhangMS 0:f7f1f0d76dd6 11 * 4.1.2 and 4.1.3.
XinZhangMS 0:f7f1f0d76dd6 12 *
XinZhangMS 0:f7f1f0d76dd6 13 * The definitions used in FIPS-180-2 are as follows:
XinZhangMS 0:f7f1f0d76dd6 14 */
XinZhangMS 0:f7f1f0d76dd6 15
XinZhangMS 0:f7f1f0d76dd6 16 #ifndef USE_MODIFIED_MACROS
XinZhangMS 0:f7f1f0d76dd6 17 #define SHA_Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
XinZhangMS 0:f7f1f0d76dd6 18 #define SHA_Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
XinZhangMS 0:f7f1f0d76dd6 19
XinZhangMS 0:f7f1f0d76dd6 20 #else /* USE_MODIFIED_MACROS */
XinZhangMS 0:f7f1f0d76dd6 21 /*
XinZhangMS 0:f7f1f0d76dd6 22 * The following definitions are equivalent and potentially faster.
XinZhangMS 0:f7f1f0d76dd6 23 */
XinZhangMS 0:f7f1f0d76dd6 24
XinZhangMS 0:f7f1f0d76dd6 25 #define SHA_Ch(x, y, z) (((x) & ((y) ^ (z))) ^ (z))
XinZhangMS 0:f7f1f0d76dd6 26 #define SHA_Maj(x, y, z) (((x) & ((y) | (z))) | ((y) & (z)))
XinZhangMS 0:f7f1f0d76dd6 27
XinZhangMS 0:f7f1f0d76dd6 28 #endif /* USE_MODIFIED_MACROS */
XinZhangMS 0:f7f1f0d76dd6 29
XinZhangMS 0:f7f1f0d76dd6 30 #define SHA_Parity(x, y, z) ((x) ^ (y) ^ (z))
XinZhangMS 0:f7f1f0d76dd6 31
XinZhangMS 0:f7f1f0d76dd6 32 #endif /* _SHA_PRIVATE__H */
XinZhangMS 0:f7f1f0d76dd6 33