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/*------------------------------------------------------------------------- * * scram.h * Interface to libpq/scram.c * * Portions Copyright (c) 1996-2020, 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 "lib/stringinfo.h" #include "libpq/libpq-be.h" /* Status codes for message exchange */ #define SASL_EXCHANGE_CONTINUE 0 #define SASL_EXCHANGE_SUCCESS 1 #define SASL_EXCHANGE_FAILURE 2 /* Routines dedicated to authentication */ extern void pg_be_scram_get_mechanisms(Port *port, StringInfo buf); extern void *pg_be_scram_init(Port *port, const char *selected_mech, const char *shadow_pass); extern int pg_be_scram_exchange(void *opaq, const char *input, int inputlen, char **output, int *outputlen, char **logdetail); /* 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, 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 */