mirror of
https://github.com/DarkflameUniverse/DarkflameServer
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69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
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#pragma once
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// C++
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#include <string>
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class SHA512 {
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protected:
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typedef unsigned char uint8;
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typedef unsigned int uint32;
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typedef unsigned long long uint64;
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const static uint64 sha512_k[];
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static const unsigned int SHA384_512_BLOCK_SIZE = (1024 / 8);
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public:
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void init();
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void update(const unsigned char *message, unsigned int len);
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void final(unsigned char *digest);
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static const unsigned int DIGEST_SIZE = (512 / 8);
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protected:
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void transform(const unsigned char *message, unsigned int block_nb);
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unsigned int m_tot_len;
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unsigned int m_len;
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unsigned char m_block[2 * SHA384_512_BLOCK_SIZE];
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uint64 m_h[8];
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};
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std::string sha512(std::string input);
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#define SHA2_SHFR(x, n) (x >> n)
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#define SHA2_ROTR(x, n) ((x >> n) | (x << ((sizeof(x) << 3) - n)))
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#define SHA2_ROTL(x, n) ((x << n) | (x >> ((sizeof(x) << 3) - n)))
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#define SHA2_CH(x, y, z) ((x & y) ^ (~x & z))
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#define SHA2_MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
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#define SHA512_F1(x) (SHA2_ROTR(x, 28) ^ SHA2_ROTR(x, 34) ^ SHA2_ROTR(x, 39))
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#define SHA512_F2(x) (SHA2_ROTR(x, 14) ^ SHA2_ROTR(x, 18) ^ SHA2_ROTR(x, 41))
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#define SHA512_F3(x) (SHA2_ROTR(x, 1) ^ SHA2_ROTR(x, 8) ^ SHA2_SHFR(x, 7))
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#define SHA512_F4(x) (SHA2_ROTR(x, 19) ^ SHA2_ROTR(x, 61) ^ SHA2_SHFR(x, 6))
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#define SHA2_UNPACK32(x, str) \
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{ \
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*((str) + 3) = (uint8) ((x) ); \
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*((str) + 2) = (uint8) ((x) >> 8); \
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*((str) + 1) = (uint8) ((x) >> 16); \
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*((str) + 0) = (uint8) ((x) >> 24); \
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}
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#define SHA2_UNPACK64(x, str) \
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{ \
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*((str) + 7) = (uint8) ((x) ); \
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*((str) + 6) = (uint8) ((x) >> 8); \
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*((str) + 5) = (uint8) ((x) >> 16); \
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*((str) + 4) = (uint8) ((x) >> 24); \
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*((str) + 3) = (uint8) ((x) >> 32); \
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*((str) + 2) = (uint8) ((x) >> 40); \
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*((str) + 1) = (uint8) ((x) >> 48); \
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*((str) + 0) = (uint8) ((x) >> 56); \
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}
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#define SHA2_PACK64(str, x) \
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{ \
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*(x) = ((uint64) *((str) + 7) ) \
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| ((uint64) *((str) + 6) << 8) \
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| ((uint64) *((str) + 5) << 16) \
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| ((uint64) *((str) + 4) << 24) \
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| ((uint64) *((str) + 3) << 32) \
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| ((uint64) *((str) + 2) << 40) \
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| ((uint64) *((str) + 1) << 48) \
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| ((uint64) *((str) + 0) << 56); \
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}
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