| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* -------------------------------------------------------------------------------------------------------------------@udN
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| 2 | * °æȨËùÓÐ(C)2012, ÖÐÐËͨѶ¹É·ÝÓÐÏÞ¹«Ë¾
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| 3 | *
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| 4 | * ÎÄ ¼þ Ãû: drv_hash.c
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| 5 | *
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| 6 | ------------------------------------------------------------------------------------------------------------*/
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| 7 |
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| 8 | #include "drv_hash.h"
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| 9 | #include <sdio.h>
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| 10 |
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| 11 | /**-------------------------------------------------------------------------------------------------------------------@n
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| 12 | *Hash_set_len ¹¦ÄÜÏêÊö:
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| 13 | ½«ÏûÏ¢³¤¶ÈÒÔbitΪµ¥Î»ÅäÖõ½³¤¶È¼Ä´æÆ÷ÖÐ
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| 14 | --------------------------------------------------------------
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| 15 | ×¢Òâ:
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| 16 | ±¾º¯Êý¿¼Âǵ½¼ÆËãhashµÄÊý¾Ý³¤¶ÈÒ»°ã¶¼ÊÇ°´byte´«È룬ÇÒ×ÜÁ¿²»»á³¬¹ý4G byte£¬
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| 17 | Òò´Ë¼ò»¯Á˺¯Êý¹¦ÄÜ¡£
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| 18 | byte_Len ×ÜÊý²»Äܳ¬¹ý4G£¬·ñÔò¸Ãº¯ÊýÐèÒªÖØÐÂÐ޸ġ£
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| 19 | *--------------------------------------------------------------------------------------------------------------------*/
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| 20 | static void hash_SetLen(u32 byte_Len)
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| 21 | {
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| 22 | REG32(HASH_LENGTH0) = byte_Len<<3;
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| 23 | REG32(HASH_LENGTH1) = byte_Len>>29;
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| 24 | REG32(HASH_LENGTH2) = 0;
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| 25 | REG32(HASH_LENGTH3) = 0;
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| 26 | }
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| 27 |
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| 28 | #ifdef HASH_CODE_SUPPORT_ALL
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| 29 | static void hash_SetHmacKey(u32* pHmacKey, u32* HmacKey_len)
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| 30 | {
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| 31 | u32 udI;
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| 32 |
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| 33 | for(udI=0;udI<32;udI++)
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| 34 | {
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| 35 | //¼Ä´æÆ÷¸ßµØÖ·´æ·ÅµÍλÊý¾Ý£¬Êý¾Ý´æ·ÅÊǵ͵ØÖ··Å¸ßλÊý¾Ý
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| 36 | if(udI<(32-HmacKey_len))
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| 37 | REG32(HASH_HMACKEY+udI*4) = 0;
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| 38 | else
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| 39 | REG32(HASH_HMACKEY+udI*4) = pHmacKey[udI-(32-HmacKey_len)];
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| 40 | }
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| 41 | }
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| 42 | #endif
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| 43 |
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| 44 | /* ·µ»Øhash ¼ÆËã½á¹ûºÍ½á¹ûµÄ³¤¶È£¬³¤¶Èµ¥Î»ÊÇword */
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| 45 | static void hash_GetResult(u32 udMode, u32* HashResult, u32* ResultLen)
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| 46 | {
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| 47 | u32 udI, udResultLen=0;
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| 48 |
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| 49 | #ifdef HASH_CODE_SUPPORT_ALL
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| 50 | switch(udMode)
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| 51 | {
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| 52 | case HASH_MODE_MD5:
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| 53 | case HASH_MODE_HMAC_MD5:
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| 54 | udResultLen = 4; /* 4*4bytes = 128bit*/
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| 55 | break;
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| 56 |
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| 57 | case HASH_MODE_SHA1:
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| 58 | case HASH_MODE_HMAC_SHA1:
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| 59 | udResultLen = 5; /* 160 bit */
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| 60 | break;
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| 61 |
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| 62 | case HASH_MODE_SHA224:
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| 63 | case HASH_MODE_HMAC_SHA224:
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| 64 | udResultLen = 7; /* 224 bit */
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| 65 | break;
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| 66 |
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| 67 | case HASH_MODE_SHA256:
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| 68 | case HASH_MODE_HMAC_SHA256:
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| 69 | udResultLen = 8; /* 256 bit */
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| 70 | break;
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| 71 |
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| 72 | case HASH_MODE_SHA384:
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| 73 | case HASH_MODE_HMAC_SHA384:
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| 74 | udResultLen = 12; /* 384 bit */
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| 75 | break;
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| 76 |
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| 77 | case HASH_MODE_SHA512:
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| 78 | case HASH_MODE_HMAC_SHA512:
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| 79 | udResultLen = 16; /* 512 bit */
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| 80 | break;
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| 81 |
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| 82 | default:
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| 83 | break;
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| 84 | }
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| 85 | #else
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| 86 | udResultLen = 4;
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| 87 | #endif
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| 88 |
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| 89 | *ResultLen = udResultLen;
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| 90 |
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| 91 | for(udI=0;udI<udResultLen;udI++) //hash¼ÆËãÖ§³Ö128bitÊý¾Ý
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| 92 | {
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| 93 | //¼Ä´æÆ÷µÍµØÖ·´æ·Åresult µÄ¸ßλ
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| 94 | HashResult[udI] = REG32(HASH_RESULT+(16-udResultLen+udI)*4);
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | /**-------------------------------------------------------------------------------------------------------------------@n
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| 99 | * @brief HASHÄ£¿éÇý¶¯½Ó¿Ú
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| 100 | *
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| 101 | * ¹¦ÄÜÏêÊö:
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| 102 | * - Hash_Computeº¯ÊýÊôÓÚ½Ó¿Úº¯Êý, Æ书ÄÜÊÇ:
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| 103 | * - HASHÄ£¿éÇý¶¯½Ó¿Ú
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| 104 | *
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| 105 | * ²ÎÊý¸ÅÊö:
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| 106 | input:
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| 107 | udMode--------hashģʽ
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| 108 | udBigEndian----´óС¶Ë¸ñʽ
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| 109 | ploadAddr------¼ÆËãhashµÄÔ´Êý¾ÝÖ¸Õë
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| 110 | loadLen--------Ô´Êý¾Ý³¤¶È
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| 111 | pHmacKey------HMACģʽϵÄÃÜÔ¿
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| 112 | HmacKey_len---ÃÜÔ¿³¤¶È
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| 113 | output:
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| 114 | HashResult-----hash¼ÆËã½á¹û
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| 115 | ResultLen------hash½á¹ûµÄ³¤¶È
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| 116 | * ·µ »Ø Öµ: 0:³É¹¦ 1:ʧ°Ü
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| 117 |
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| 118 | *--------------------------------------------------------------------------------------------------------------------*/
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| 119 | u32 Hash_Calculate(u32 udMode, u32 udBigEndian, u32* ploadAddr, u32 loadLen, u32* pHmacKey, u32* HmacKey_len, u32* HashResult, u32* ResultLen)
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| 120 | {
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| 121 | u32 udMessageLen_word;
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| 122 | u32 udI;
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| 123 |
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| 124 | if((loadLen == 0) || (ploadAddr == NULL) || (HashResult == NULL) )
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| 125 | {
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| 126 | return 1;
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| 127 | }
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| 128 |
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| 129 | //config hash mode and enable module
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| 130 | REG32(HASH_CONTROL) = (udMode<<4)|(udBigEndian<<12)|1;
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| 131 |
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| 132 | hash_SetLen(loadLen);
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| 133 |
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| 134 | #ifdef HASH_CODE_SUPPORT_ALL
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| 135 | //write HMAC key
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| 136 | if(udMode&0x10)
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| 137 | {
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| 138 | hash_SetHmacKey(pHmacKey, HmacKey_len);
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| 139 | }
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| 140 | #endif
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| 141 |
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| 142 | REG32(HASH_START) = 1;//Hash_Start
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| 143 |
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| 144 | //start write message data into fifo
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| 145 | udMessageLen_word = (loadLen+3)/4;
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| 146 | for(udI=0;udI<udMessageLen_word;udI++)
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| 147 | {
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| 148 | REG32(HASH_DATA) = ploadAddr[udI];
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| 149 | }
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| 150 |
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| 151 | while(REG32(HASH_START) & 0x1); /* if cal busy, continue to wait*/
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| 152 |
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| 153 | //read Result
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| 154 | hash_GetResult(udMode, HashResult, ResultLen);
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| 155 |
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| 156 | REG32(HASH_CONTROL) = 0;//Hash_DisableModule;
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| 157 |
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| 158 | return 0;
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| 159 | }
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| 160 |
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| 161 | /** @} */
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| 162 |
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