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30 lines
977 B
C
30 lines
977 B
C
/*-------------------------------------------------------------------------
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*
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* hmac.h
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* Generic headers for HMAC
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*
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* Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* src/include/common/hmac.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PG_HMAC_H
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#define PG_HMAC_H
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#include "common/cryptohash.h"
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/* opaque context, private to each HMAC implementation */
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typedef struct pg_hmac_ctx pg_hmac_ctx;
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extern pg_hmac_ctx *pg_hmac_create(pg_cryptohash_type type);
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extern int pg_hmac_init(pg_hmac_ctx *ctx, const uint8 *key, size_t len);
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extern int pg_hmac_update(pg_hmac_ctx *ctx, const uint8 *data, size_t len);
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extern int pg_hmac_final(pg_hmac_ctx *ctx, uint8 *dest, size_t len);
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extern void pg_hmac_free(pg_hmac_ctx *ctx);
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extern const char *pg_hmac_error(pg_hmac_ctx *ctx);
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#endif /* PG_HMAC_H */
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