Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Cryptographic API. |
| 4 | * |
| 5 | * Compression operations. |
| 6 | * |
| 7 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | #include <linux/crypto.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | #include "internal.h" |
| 11 | |
Eric Biggers | c441a90 | 2019-12-02 13:42:29 -0800 | [diff] [blame] | 12 | int crypto_comp_compress(struct crypto_comp *comp, |
| 13 | const u8 *src, unsigned int slen, |
| 14 | u8 *dst, unsigned int *dlen) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | { |
Eric Biggers | c441a90 | 2019-12-02 13:42:29 -0800 | [diff] [blame] | 16 | struct crypto_tfm *tfm = crypto_comp_tfm(comp); |
| 17 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 18 | return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | dlen); |
| 20 | } |
Eric Biggers | c441a90 | 2019-12-02 13:42:29 -0800 | [diff] [blame] | 21 | EXPORT_SYMBOL_GPL(crypto_comp_compress); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
Eric Biggers | c441a90 | 2019-12-02 13:42:29 -0800 | [diff] [blame] | 23 | int crypto_comp_decompress(struct crypto_comp *comp, |
| 24 | const u8 *src, unsigned int slen, |
| 25 | u8 *dst, unsigned int *dlen) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | { |
Eric Biggers | c441a90 | 2019-12-02 13:42:29 -0800 | [diff] [blame] | 27 | struct crypto_tfm *tfm = crypto_comp_tfm(comp); |
| 28 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 29 | return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | dlen); |
| 31 | } |
Eric Biggers | c441a90 | 2019-12-02 13:42:29 -0800 | [diff] [blame] | 32 | EXPORT_SYMBOL_GPL(crypto_comp_decompress); |