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| author | Hannes Reinecke <hare@suse.de> | 2022-06-27 11:51:59 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-08-02 17:14:47 -0600 |
| commit | a116e1cdc64a743c36c40e6fa639dec991c157a3 (patch) | |
| tree | 06203e96d2cf80d2dec7b2a72c1e83acd08cfce2 /include/linux/base64.h | |
| parent | 9e2f284e149124aa9a6b963882d2b39ae1742196 (diff) | |
| download | linux-a116e1cdc64a743c36c40e6fa639dec991c157a3.tar.gz linux-a116e1cdc64a743c36c40e6fa639dec991c157a3.tar.bz2 linux-a116e1cdc64a743c36c40e6fa639dec991c157a3.zip | |
lib/base64: RFC4648-compliant base64 encoding
Add RFC4648-compliant base64 encoding and decoding routines, based on
the base64url encoding in fs/crypto/fname.c.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Cc: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/base64.h')
| -rw-r--r-- | include/linux/base64.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/base64.h b/include/linux/base64.h new file mode 100644 index 000000000000..660d4cb1ef31 --- /dev/null +++ b/include/linux/base64.h @@ -0,0 +1,16 @@ +// 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> + +#define BASE64_CHARS(nbytes) DIV_ROUND_UP((nbytes) * 4, 3) + +int base64_encode(const u8 *src, int len, char *dst); +int base64_decode(const char *src, int len, u8 *dst); + +#endif /* _LINUX_BASE64_H */ |