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1	// SPDX-License-Identifier: GPL-2.0
2	/*
3	* base64 encoding, lifted from fs/crypto/fname.c.
4	*/
5
6	#ifndef _LINUX_BASE64_H
7	#define _LINUX_BASE64_H
8
9	#include <linux/types.h>
10
11	enum base64_variant {
12	BASE64_STD, / RFC 4648 (standard) /
13	BASE64_URLSAFE, / RFC 4648 (base64url) /
14	BASE64_IMAP, / RFC 3501 /
15	};
16
17	#define BASE64_CHARS(nbytes) DIV_ROUND_UP((nbytes) * 4, 3)
18
19	int base64_encode(const u8 src, int* len, char dst, bool padding, enum* base64_variant variant);
20	int base64_decode(const char src, int* len, u8 dst, bool padding, enum* base64_variant variant);
21
22	#endif /* _LINUX_BASE64_H */
23

base64.h