| 1 | |
| 2 | * Cryptographic API.
|
| 3 | *
|
| 4 | * Compression operations.
|
| 5 | *
|
| 6 | * Copyright (c) 2002 James Morris <[email protected]>
|
| 7 | *
|
| 8 | * This program is free software; you can redistribute it and/or modify it
|
| 9 | * under the terms of the GNU General Public License as published by the Free
|
| 10 | * Software Foundation; either version 2 of the License, or (at your option)
|
| 11 | * any later version.
|
| 12 | *
|
| 13 |
|
| 14 | #include <linux/types.h>
|
| 15 | #include <linux/crypto.h>
|
| 16 | #include <linux/errno.h>
|
| 17 | #include <linux/string.h>
|
| 18 | #include "internal.h"
|
| 19 |
|
| 20 | static int crypto_compress(struct crypto_tfm *tfm,
|
| 21 | const u8 *src, unsigned int slen,
|
| 22 | u8 *dst, unsigned int *dlen)
|
| 23 | {
|
| 24 | return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
|
| 25 | dlen);
|
| 26 | }
|
| 27 |
|
| 28 | static int crypto_decompress(struct crypto_tfm *tfm,
|
| 29 | const u8 *src, unsigned int slen,
|
| 30 | u8 *dst, unsigned int *dlen)
|
| 31 | {
|
| 32 | return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
|
| 33 | dlen);
|
| 34 | }
|
| 35 |
|
| 36 | int crypto_init_compress_ops(struct crypto_tfm *tfm)
|
| 37 | {
|
| 38 | struct compress_tfm *ops = &tfm->crt_compress;
|
| 39 |
|
| 40 | ops->cot_compress = crypto_compress;
|
| 41 | ops->cot_decompress = crypto_decompress;
|
| 42 |
|
| 43 | return 0;
|
| 44 | }
|
| 45 |
|
| 46 | void crypto_exit_compress_ops(struct crypto_tfm *tfm)
|
| 47 | {
|
| 48 | }
|