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/*-------------------------------------------------------------------------
*
* scram.h
* Interface to libpq/scram.c
*
* Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/libpq/scram.h
*
*-------------------------------------------------------------------------
*/
#ifndef PG_SCRAM_H
#define PG_SCRAM_H
#include "common/cryptohash.h"
#include "lib/stringinfo.h"
#include "libpq/libpq-be.h"
#include "libpq/sasl.h"
/* Number of iterations when generating new secrets */
extern __thread PGDLLIMPORT int scram_sha_256_iterations;
/* SASL implementation callbacks */
extern PGDLLIMPORT const pg_be_sasl_mech pg_be_scram_mech;
/* Routines to handle and check SCRAM-SHA-256 secret */
extern char *pg_be_scram_build_secret(const char *password);
extern bool parse_scram_secret(const char *secret,
int *iterations,
pg_cryptohash_type *hash_type,
int *key_length, char **salt,
uint8 *stored_key, uint8 *server_key);
extern bool scram_verify_plain_password(const char *username,
const char *password, const char *secret);
#endif /* PG_SCRAM_H */
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