47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#ifndef SHA512_H
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#define SHA512_H
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#include <assert.h>
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typedef struct {
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void* context;
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} sha512_context;
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typedef struct sha512_functions_ {
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int(*_ed_sha512_init)(sha512_context*);
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int(*_ed_sha512_final)(sha512_context*, unsigned char *);
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int(*_ed_sha512_update)(sha512_context*, const unsigned char *, size_t);
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} sha512_functions;
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef WIN32
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__declspec(dllexport)
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#endif
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extern sha512_functions _ed_sha512_functions;
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#ifdef __cplusplus
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}
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#endif
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inline void _ed_sha512_validate() {
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assert(_ed_sha512_functions._ed_sha512_init);
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assert(_ed_sha512_functions._ed_sha512_final);
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assert(_ed_sha512_functions._ed_sha512_update);
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}
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inline int _ed_sha512(const unsigned char *message, size_t message_len, unsigned char *out) {
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_ed_sha512_validate();
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int result = 1;
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sha512_context ctx;
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result &= _ed_sha512_functions._ed_sha512_init(&ctx);
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result &= _ed_sha512_functions._ed_sha512_update(&ctx, message, message_len);
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result &= _ed_sha512_functions._ed_sha512_final(&ctx, out);
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return result;
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}
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#endif
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