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Diffstat (limited to 'C/Sha3.h')
-rw-r--r-- | C/Sha3.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/C/Sha3.h b/C/Sha3.h new file mode 100644 index 0000000..c5909c9 --- /dev/null +++ b/C/Sha3.h | |||
@@ -0,0 +1,36 @@ | |||
1 | /* Sha3.h -- SHA-3 Hash | ||
2 | : Igor Pavlov : Public domain */ | ||
3 | |||
4 | #ifndef ZIP7_INC_MD5_H | ||
5 | #define ZIP7_INC_MD5_H | ||
6 | |||
7 | #include "7zTypes.h" | ||
8 | |||
9 | EXTERN_C_BEGIN | ||
10 | |||
11 | #define SHA3_NUM_STATE_WORDS 25 | ||
12 | |||
13 | #define SHA3_BLOCK_SIZE_FROM_DIGEST_SIZE(digestSize) \ | ||
14 | (SHA3_NUM_STATE_WORDS * 8 - (digestSize) * 2) | ||
15 | |||
16 | typedef struct | ||
17 | { | ||
18 | UInt32 count; // < blockSize | ||
19 | UInt32 blockSize; // <= SHA3_NUM_STATE_WORDS * 8 | ||
20 | UInt64 _pad1[3]; | ||
21 | // we want 32-bytes alignment here | ||
22 | UInt64 state[SHA3_NUM_STATE_WORDS]; | ||
23 | UInt64 _pad2[3]; | ||
24 | // we want 64-bytes alignment here | ||
25 | Byte buffer[SHA3_NUM_STATE_WORDS * 8]; // last bytes will be unused with predefined blockSize values | ||
26 | } CSha3; | ||
27 | |||
28 | #define Sha3_SET_blockSize(p, blockSize) { (p)->blockSize = (blockSize); } | ||
29 | |||
30 | void Sha3_Init(CSha3 *p); | ||
31 | void Sha3_Update(CSha3 *p, const Byte *data, size_t size); | ||
32 | void Sha3_Final(CSha3 *p, Byte *digest, unsigned digestSize, unsigned shake); | ||
33 | |||
34 | EXTERN_C_END | ||
35 | |||
36 | #endif | ||