| | 1 | /*\r |
| | 2 | * sha1.h\r |
| | 3 | *\r |
| | 4 | * Description:\r |
| | 5 | * This is the header file for code which implements the Secure\r |
| | 6 | * Hashing Algorithm 1 as defined in FIPS PUB 180-1 published\r |
| | 7 | * April 17, 1995.\r |
| | 8 | *\r |
| | 9 | * Many of the variable names in this code, especially the\r |
| | 10 | * single character names, were used because those were the names\r |
| | 11 | * used in the publication.\r |
| | 12 | *\r |
| | 13 | * Please read the file sha1.c for more information.\r |
| | 14 | *\r |
| | 15 | */\r |
| | 16 | \r |
| | 17 | #ifndef _SHA1_H_\r |
| | 18 | #define _SHA1_H_\r |
| | 19 | \r |
| | 20 | #include <stdint.h>\r |
| | 21 | \r |
| | 22 | #ifndef _SHA_enum_\r |
| | 23 | #define _SHA_enum_\r |
| | 24 | enum\r |
| | 25 | {\r |
| | 26 | shaSuccess = 0,\r |
| | 27 | shaNull, /* Null pointer parameter */\r |
| | 28 | shaInputTooLong, /* input data too long */\r |
| | 29 | shaStateError /* called Input after Result */\r |
| | 30 | };\r |
| | 31 | #endif\r |
| | 32 | #define SHA1HashSize 20\r |
| | 33 | \r |
| | 34 | /*\r |
| | 35 | * This structure will hold context information for the SHA-1\r |
| | 36 | * hashing operation\r |
| | 37 | */\r |
| | 38 | typedef struct SHA1Context\r |
| | 39 | {\r |
| | 40 | uint32_t Intermediate_Hash[SHA1HashSize/4]; /* Message Digest */\r |
| | 41 | \r |
| | 42 | uint32_t Length_Low; /* Message length in bits */\r |
| | 43 | uint32_t Length_High; /* Message length in bits */\r |
| | 44 | \r |
| | 45 | /* Index into message block array */\r |
| | 46 | int_least16_t Message_Block_Index;\r |
| | 47 | uint8_t Message_Block[64]; /* 512-bit message blocks */\r |
| | 48 | \r |
| | 49 | int Computed; /* Is the digest computed? */\r |
| | 50 | int Corrupted; /* Is the message digest corrupted? */\r |
| | 51 | } SHA1Context;\r |
| | 52 | \r |
| | 53 | /*\r |
| | 54 | * Function Prototypes\r |
| | 55 | */\r |
| | 56 | \r |
| | 57 | int SHA1Reset( SHA1Context *);\r |
| | 58 | int SHA1Input( SHA1Context *,\r |
| | 59 | const uint8_t *,\r |
| | 60 | unsigned int);\r |
| | 61 | int SHA1Result( SHA1Context *,\r |
| | 62 | uint8_t Message_Digest[SHA1HashSize]);\r |
| | 63 | \r |
| | 64 | #endif\r |
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