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// SPDX-License-Identifier: GPL-2.0
/*
* base64 encoding, lifted from fs/crypto/fname.c.
*/
#ifndef _LINUX_BASE64_H
#define _LINUX_BASE64_H
#include <linux/types.h>
enum base64_variant {
BASE64_STD, /* RFC 4648 (standard) */
BASE64_URLSAFE, /* RFC 4648 (base64url) */
BASE64_IMAP, /* RFC 3501 */
};
#define BASE64_CHARS(nbytes) DIV_ROUND_UP((nbytes) * 4, 3)
int base64_encode(const u8 *src, int len, char *dst, bool padding, enum base64_variant variant);
int base64_decode(const char *src, int len, u8 *dst, bool padding, enum base64_variant variant);
#endif /* _LINUX_BASE64_H */
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