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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 16 | pmbaty | 1 | #ifndef SHA512_H |
| 2 | #define SHA512_H |
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| 3 | |||
| 4 | |||
| 5 | #ifdef __cplusplus |
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| 6 | extern "C" { |
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| 7 | #endif |
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| 8 | |||
| 9 | |||
| 10 | // standard C includes |
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| 11 | #include <stdint.h> |
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| 12 | |||
| 13 | |||
| 14 | // SHA-512 block and digest sizes |
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| 15 | #define SHA512_BLOCK_LENGTH 128 // in bytes |
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| 16 | #define SHA512_DIGEST_LENGTH 64 // in bytes |
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| 17 | |||
| 18 | |||
| 19 | // SHA-512 computation context structure type definition |
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| 20 | typedef struct sha512_ctx_s |
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| 21 | { |
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| 22 | uint64_t state[8]; |
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| 23 | uint64_t bitcount[2]; |
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| 24 | uint8_t buffer[SHA512_BLOCK_LENGTH]; |
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| 25 | } SHA512_CTX; |
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| 26 | |||
| 27 | |||
| 28 | // prototypes of exported functions |
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| 29 | void SHA512_Init (SHA512_CTX *context); |
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| 30 | void SHA512_Update (SHA512_CTX *context, void *data, size_t len); |
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| 31 | void SHA512_Final (uint8_t digest[SHA512_DIGEST_LENGTH], SHA512_CTX *context); |
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| 32 | uint8_t *SHA512 (void *data, size_t data_len, uint8_t *digest); // computes a SHA-512 in one pass (shortcut for SHA512_Init(), SHA512_Update() N times and SHA512_Final()) |
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| 33 | |||
| 34 | |||
| 35 | #ifdef __cplusplus |
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| 36 | } |
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| 37 | #endif |
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| 38 | |||
| 39 | |||
| 40 | #endif // SHA512_H |