60 line
2.2 KiB
C
60 line
2.2 KiB
C
#ifndef __SHA256_H
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#define __SHA256_H
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#define DoMemZero(dest,len) (memset((dest), 0, (len)))
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#if SIZEOF_LONG > 4
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#define TRUNCLONG(x) ((x) & IL_MAX_UINT32)
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#define ROTATE(x,n) (TRUNCLONG(((x) >> (n))) | ((x) << (32 - (n))))
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#define SHIFT(x,n) (TRUNCLONG(((x) >> (n))))
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#else
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#define TRUNCLONG(x) (x)
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#define ROTATE(x,n) (((x) >> (n)) | ((x) << (32 - (n))))
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#define SHIFT(x,n) ((x) >> (n))
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#endif
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#define CH(x,y,z) (((x) & (y)) ^ (TRUNCLONG(~(x)) & (z)))
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#define MAJ(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
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#define SUM0(x) (ROTATE((x), 2) ^ ROTATE((x), 13) ^ ROTATE((x), 22))
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#define SUM1(x) (ROTATE((x), 6) ^ ROTATE((x), 11) ^ ROTATE((x), 25))
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#define RHO0(x) (ROTATE((x), 7) ^ ROTATE((x), 18) ^ SHIFT((x), 3))
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#define RHO1(x) (ROTATE((x), 17) ^ ROTATE((x), 19) ^ SHIFT((x), 10))
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#define SHA256_HASH_SIZE 32
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typedef struct _tagSHA256Context {
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unsigned char input[64];
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u_int32_t inputLen;
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u_int32_t A, B, C, D, E, F, G, H;
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u_int64_t totalLen;
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} SHA256Context;
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static u_int32_t const K[64] = {
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0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
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0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
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0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
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0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
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0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
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0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
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0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
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0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
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0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
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0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
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0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
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0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
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0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
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0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
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0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
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0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
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};
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static void ProcessBlock(SHA256Context *sha, const unsigned char *block);
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void SHA256Data(SHA256Context *sha, const void *buffer, unsigned long len);
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void SHA256Finalize(SHA256Context *sha, unsigned char hash[SHA256_HASH_SIZE]);
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void SHA256Init(SHA256Context *sha);
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static void WriteLong(unsigned char *buf, u_int32_t value);
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extern unsigned char* get_sha256_hash(const char* unhashed);
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extern char* get_sha256_hash_hex_str(const char* unhashed);
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#endif
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