* camellia-set-encrypt-key.c (camellia_setup128): Generate

unmodified subkeys according to the spec. Moved clever combination
of subkeys to camellia_set_encrypt_key.
(camellia_setup256): Likewise.
(camellia_set_encrypt_key): Moved subkey post-processing code
here, and reduce code duplication between 128-bit keys and larger
keys.

* camellia.c: Deleted file, split into several new files...
* camellia-table.c (_camellia_table): New file with the constant
sbox tables.
* camellia-set-encrypt-key.c: New file.
(camellia_setup128): Generate unmodified subkeys according to the
spec. Moved clever combination of subkeys to camellia_set_encrypt_key.
(camellia_setup256): Likewise.

* camellia-set-decrypt-key.c: New file.
(camellia_invert_key): Key inversion function.
(camellia_set_decrypt_key): New key setup function.
* camellia-internal.h: New file.
* camellia-crypt.c (camellia_crypt): New file, new wrapper
function passing the sbox table to _camellia_crypt.
* camellia-crypt-internal.c (_camellia_crypt): New file, with main
encrypt/decrypt function.
* Makefile.in (nettle_SOURCES): Updated list of camellia source files.
(DISTFILES): Added camellia-internal.h.

Rev: nettle/ChangeLog:1.96
Rev: nettle/Makefile.in:1.26
Rev: nettle/camellia-crypt-internal.c:1.1
Rev: nettle/camellia-crypt.c:1.1
Rev: nettle/camellia-internal.h:1.1
Rev: nettle/camellia-set-decrypt-key.c:1.1
Rev: nettle/camellia-set-encrypt-key.c:1.1
Rev: nettle/camellia-table.c:1.1
Rev: nettle/camellia.c:1.5(DEAD)