diff options
Diffstat (limited to 'include/linux/base64.h')
| -rw-r--r-- | include/linux/base64.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/base64.h b/include/linux/base64.h new file mode 100644 index 000000000000..a2c6c9222da3 --- /dev/null +++ b/include/linux/base64.h @@ -0,0 +1,22 @@ +// 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 */ |