1 files changed, 27 insertions, 0 deletions
diff --git a/src/include/common/md5.h b/src/include/common/md5.h
new file mode 100644
index 0000000..8695f10
--- /dev/null
+++ b/src/include/common/md5.h
@@ -0,0 +1,27 @@
+/*-------------------------------------------------------------------------
+ *
+ * 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) 1996-2020, 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
+
+#define MD5_PASSWD_CHARSET	"0123456789abcdef"
+#define MD5_PASSWD_LEN	35
+
+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