fscrypt: add comments that describe the HKDF info strings
authorEric Biggers <ebiggers@google.com>
Wed, 8 Jul 2020 21:55:29 +0000 (14:55 -0700)
committerEric Biggers <ebiggers@google.com>
Tue, 21 Jul 2020 00:26:32 +0000 (17:26 -0700)
commite455de313ef8bd1fa05a3eb6ef1bfd96eaf38e2a
tree00d14f000e9c848a293d8fbe0b8d6494e540c449
parent4f74d15fe40833d4fb4f5ead7437aa73840596a5
fscrypt: add comments that describe the HKDF info strings

Each HKDF context byte is associated with a specific format of the
remaining part of the application-specific info string.  Add comments so
that it's easier to keep track of what these all are.

Link: https://lore.kernel.org/r/20200708215529.146890-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
fs/crypto/fscrypt_private.h