1 /* 2 * Copyright (c) 2001-2019, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef _COMMON_CRYPTO_SYM_H 8 #define _COMMON_CRYPTO_SYM_H 9 10 11 #include <stdint.h> 12 #include "cc_crypto_defs.h" 13 14 #define CC_COMMON_CALC_CBC_ENCODE_SIZE(size) (AES_BLOCK_SIZE + (((size + AES_BLOCK_SIZE)/AES_BLOCK_SIZE)*AES_BLOCK_SIZE)) 15 16 17 /** 18 * @brief The CC_CommonAesCtrEncrypt encrypts (AES CTR) a given data and returns it. 19 * 20 * @param[in] DataIn_ptr - the data to encrypt 21 * @param[in] DataInSize - the data size 22 * @param[in] Key_ptr - the AES key 23 * @param[in] KeySize - AES key size (must be one of the allowed AES key sizes) 24 * @param[in] IV_ptr - IV (AES IV size is constant) 25 * @param[in] Output_ptr - Output buffer 26 */ 27 /*********************************************************/ 28 int32_t CC_CommonAesCtrEncrypt(int8_t *pDataIn, 29 int32_t dataInSize, 30 int8_t *pKey, 31 int32_t keySize, 32 int8_t *pIV, 33 int8_t *pEncBuff); 34 35 36 /** 37 * @brief The CC_CommonAesCbcDecrypt decrypts (AES CBC) a given data 38 * and returns the decrypted buffer. 39 * 40 * @param[in] pwdFileName - file name for passsword to generate key and IV from 41 * @param[in] pEncBuff - the encrypted buffer- input buffer 42 * @param[in] encBuffSize - the encrypted buffer size 43 * @param[out] pDecBuff -the decrypted buffer. 44 * 45 * NOTE: pDecBuff - alocated size must be multiple of 16 bytes. same as encBuffSize 46 */ 47 /*********************************************************/ 48 int32_t CC_CommonAesCbcDecrypt(int8_t *pwdFileName, 49 int8_t *pEncBuff, 50 int32_t encBuffSize, 51 int8_t *pDecBuff); 52 53 /** 54 * @brief This function 55 * 56 * @param[in] 57 * 58 * @param[out] 59 * 60 * @return uint8_t - 61 62 */ 63 int32_t CC_CommonAesCcmEncrypt(uint8_t *keyBuf, 64 uint8_t *nonce, uint32_t nonceLen, 65 uint8_t *aData, uint32_t aDatalen, 66 uint8_t *plainTxt, uint32_t plainTxtLen, 67 uint8_t *enBuff, uint32_t *enBuffLen, 68 uint8_t *tagBuff, uint32_t tagBuffLen); 69 70 /** 71 * @brief Encrypts (AES CMAC) a given data and returns it. 72 * 73 * @param[in] pDataIn - the data to encrypt 74 * @param[in] dataInSize - the data size 75 * @param[in] pKey - the AES key 76 * @param[in] keySize - the key size in bytes 77 * @param[in] pOutput - Output buffer 78 */ 79 /*********************************************************/ 80 int32_t CC_CommonAesCmacEncrypt(int8_t *pDataIn, 81 int32_t dataInSize, 82 int8_t *pKey, 83 int32_t keySize, 84 int8_t *pOutput); 85 86 87 88 /** 89 * @brief The Common_CalcHash calculates HASH on the public key and Np using OpenSSL. 90 * 91 * @param[in] pPemDecryted - the decrypted public key (input data for HASH) 92 * @param[out] pHash - the HASH SHA 256 calculated on the data 93 * 94 */ 95 /*********************************************************/ 96 int32_t CC_CommonCalcHash(uint8_t *pPemDecryted, int32_t pemDecryptedSize, uint8_t *pHash, int32_t hashSize ); 97 98 /** 99 * @brief The Common_CalcHash calculates HASH on the public key and Np using OpenSSL. 100 * 101 * @param[in] pPemDecryted - the decrypted public key (input data for HASH) 102 * @param[out] pHash - the HASH SHA 256 calculated on the data 103 * 104 */ 105 /*********************************************************/ 106 int32_t CC_CommonCalcSha1(uint8_t *pDataIn, int32_t dataInSize, uint8_t *pHash); 107 108 109 /** 110 * @brief Encrypts (AES ECB) a given data and returns it. 111 * 112 * @param[in] pDataIn - the data to encrypt 113 * @param[in] dataInSize - the data size 114 * @param[in] pKey - the AES key 115 * @param[in] keySize - AES key size (must be one of the allowed AES key sizes) 116 * @param[out] pEncBuff - the encrypted buffer 117 */ 118 /*********************************************************/ 119 int32_t CC_CommonAesEcbEncrypt(uint8_t *pDataIn, 120 uint32_t dataInSize, 121 uint8_t *pKey, 122 uint32_t keySize, 123 uint8_t *pEncBuff); 124 125 #endif 126
