/usr/include/postgres-xc/server/libpq/md5.h is in postgres-xc-server-dev 1.1-2ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30  | /*-------------------------------------------------------------------------
 *
 * md5.h
 *	  Interface to libpq/md5.c
 *
 * These definitions are needed by both frontend and backend code to work
 * with MD5-encrypted passwords.
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/libpq/md5.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_MD5_H
#define PG_MD5_H
#define MD5_PASSWD_LEN	35
#define isMD5(passwd)	(strncmp(passwd, "md5", 3) == 0 && \
						 strlen(passwd) == MD5_PASSWD_LEN)
extern bool pg_md5_hash(const void *buff, size_t len, char *hexsum);
extern bool pg_md5_binary(const void *buff, size_t len, void *outbuf);
extern bool pg_md5_encrypt(const char *passwd, const char *salt,
			   size_t salt_len, char *buf);
#endif
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