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/*-------------------------------------------------------------------------
*
* md5.h
* Constants and common utilities related to MD5.
*
* These definitions are needed by both frontend and backend code to work
* with MD5-encrypted passwords.
*
* Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/common/md5.h
*
*-------------------------------------------------------------------------
*/
#ifndef PG_MD5_H
#define PG_MD5_H
/* Size of result generated by MD5 computation */
#define MD5_DIGEST_LENGTH 16
/* Block size for MD5 */
#define MD5_BLOCK_SIZE 64
/* password-related data */
#define MD5_PASSWD_CHARSET "0123456789abcdef"
#define MD5_PASSWD_LEN 35
/* Utilities common to all the MD5 implementations, as of md5_common.c */
extern bool pg_md5_hash(const void *buff, size_t len, char *hexsum,
const char **errstr);
extern bool pg_md5_binary(const void *buff, size_t len, void *outbuf,
const char **errstr);
extern bool pg_md5_encrypt(const char *passwd, const char *salt,
size_t salt_len, char *buf,
const char **errstr);
#endif /* PG_MD5_H */
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