?? sha2.h
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#ifndef _SHA256_H#define _SHA256_H#if defined(__cplusplus)extern "C"{#endif#include "uitypes.h"#define SHA256_DIGEST_LENGTH 32#define SHA384_DIGEST_LENGTH 48#define SHA512_DIGEST_LENGTH 64#define SHA2_GOOD 0#define SHA2_BAD 1/* type to hold the SHA256 context */#ifdef DARWINtypedef unsigned int uint32_t;typedef unsigned long long uint64_t;#endif // DARWINtypedef struct{ uint32_t count[2]; uint32_t hash[8]; uint32_t wdat[16];} sha256_ctx;typedef struct{ uint64_t count[2]; uint64_t hash[8]; uint64_t wdat[16];} sha512_ctx;typedef sha512_ctx sha384_ctx;typedef struct{ union { sha256_ctx ctx256[1]; sha512_ctx ctx512[1]; } uu[1]; uint32_t sha2_len;} sha2_ctx;void sha256_begin(sha256_ctx ctx[1]);void sha256_hash(const unsigned char data[], const unsigned long len, sha256_ctx ctx[1]);void sha256_end(unsigned char hval[], sha256_ctx ctx[1]);void sha384_begin(sha384_ctx ctx[1]);#define sha384_hash sha512_hashvoid sha384_end(unsigned char hval[], sha384_ctx ctx[1]);void sha512_begin(sha512_ctx ctx[1]);void sha512_hash(const unsigned char data[], const unsigned long len, sha512_ctx ctx[1]);void sha512_end(unsigned char hval[], sha512_ctx ctx[1]);int sha2_begin(sha2_ctx ctx[1], const unsigned long len);void sha2_hash(const unsigned char data[], const unsigned long len, sha2_ctx ctx[1]);void sha2_end(unsigned char hval[], sha2_ctx ctx[1]);#if defined(__cplusplus)}#endif#endif?? 快捷鍵說明
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