1 /***************************************************************************//** 2 * \file cy_crypto_core_hmac_v2.h 3 * \version 2.120 4 * 5 * \brief 6 * This file provides constants and function prototypes 7 * for the API for the HMAC method in the Crypto block driver. 8 * 9 ******************************************************************************** 10 * \copyright 11 * Copyright (c) (2020-2022), Cypress Semiconductor Corporation (an Infineon company) or 12 * an affiliate of Cypress Semiconductor Corporation. 13 * SPDX-License-Identifier: Apache-2.0 14 * 15 * Licensed under the Apache License, Version 2.0 (the "License"); 16 * you may not use this file except in compliance with the License. 17 * You may obtain a copy of the License at 18 * 19 * http://www.apache.org/licenses/LICENSE-2.0 20 * 21 * Unless required by applicable law or agreed to in writing, software 22 * distributed under the License is distributed on an "AS IS" BASIS, 23 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 24 * See the License for the specific language governing permissions and 25 * limitations under the License. 26 *******************************************************************************/ 27 28 29 #if !defined (CY_CRYPTO_CORE_HMAC_V2_H) 30 #define CY_CRYPTO_CORE_HMAC_V2_H 31 32 #include "cy_crypto_common.h" 33 34 #if defined(CY_IP_MXCRYPTO) && defined(CY_CRYPTO_CFG_HW_V2_ENABLE) 35 36 #if defined(__cplusplus) 37 extern "C" { 38 #endif 39 40 #if (CPUSS_CRYPTO_SHA == 1) && defined(CY_CRYPTO_CFG_HMAC_C) 41 42 #include "cy_crypto_core_sha_v2.h" 43 44 #define CY_CRYPTO_HMAC_IPAD (0x36u) 45 #define CY_CRYPTO_HMAC_0PAD (0x5Cu) 46 #define CY_CRYPTO_HMAC_MAX_PAD_SIZE (128u) 47 #define CY_CRYPTO_HMAC_MAX_M0_KEY_SIZE (128u) 48 49 /** \cond INTERNAL */ 50 51 #if (((CY_CPU_CORTEX_M7) && defined (ENABLE_CM7_DATA_CACHE)) || CY_CPU_CORTEX_M55) 52 CY_ALIGN(__SCB_DCACHE_LINE_SIZE) 53 #endif 54 typedef struct 55 { 56 /* Allocates CY_CRYPTO_HMAC_MAX_PAD_SIZE Bytes for the inner padding. */ 57 uint8_t ipad[CY_CRYPTO_HMAC_MAX_PAD_SIZE]; 58 59 /* Allocates CY_CRYPTO_HMAC_MAX_PAD_SIZE Bytes for the outer padding. */ 60 uint8_t opad[CY_CRYPTO_HMAC_MAX_PAD_SIZE]; 61 62 /* Allocates CY_CRYPTO_SHA_MAX_BLOCK_SIZE Bytes for the HMAC keys. */ 63 uint8_t m0Key[CY_CRYPTO_SHA_MAX_BLOCK_SIZE]; 64 65 /* SHA buffers for storing and processing the data */ 66 cy_stc_crypto_v2_sha512_buffers_t shaBuffers; 67 } cy_stc_crypto_v2_hmac_buffers_t; 68 69 /** \endcond */ 70 71 cy_en_crypto_status_t Cy_Crypto_Core_V2_Hmac_Init(CRYPTO_Type *base, 72 cy_stc_crypto_hmac_state_t *hmacState, 73 cy_en_crypto_sha_mode_t mode, cy_stc_crypto_v2_hmac_buffers_t *hmacBuffer); 74 75 cy_en_crypto_status_t Cy_Crypto_Core_V2_Hmac_Start(CRYPTO_Type *base, 76 cy_stc_crypto_hmac_state_t *hmacState, 77 uint8_t const *key, 78 uint32_t keyLength); 79 80 cy_en_crypto_status_t Cy_Crypto_Core_V2_Hmac_Update(CRYPTO_Type *base, 81 cy_stc_crypto_hmac_state_t *hmacState, 82 uint8_t const *message, 83 uint32_t messageSize); 84 85 cy_en_crypto_status_t Cy_Crypto_Core_V2_Hmac_Finish(CRYPTO_Type *base, 86 cy_stc_crypto_hmac_state_t *hmacState, 87 uint8_t *hmac); 88 89 cy_en_crypto_status_t Cy_Crypto_Core_V2_Hmac_Free(CRYPTO_Type *base, 90 cy_stc_crypto_hmac_state_t *hmacState); 91 92 cy_en_crypto_status_t Cy_Crypto_Core_V2_Hmac(CRYPTO_Type *base, 93 uint8_t *hmac, 94 uint8_t const *message, 95 uint32_t messageSize, 96 uint8_t const *key, 97 uint32_t keyLength, 98 cy_en_crypto_sha_mode_t mode); 99 100 101 #endif /* (CPUSS_CRYPTO_SHA == 1) && defined(CY_CRYPTO_CFG_HMAC_C) */ 102 103 #if defined(__cplusplus) 104 } 105 #endif 106 107 #endif /* defined(CY_IP_MXCRYPTO) && defined(CY_CRYPTO_CFG_HW_V2_ENABLE) */ 108 109 #endif /* #if !defined (CY_CRYPTO_CORE_HMAC_V2_H) */ 110 111 112 /* [] END OF FILE */ 113
