David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Cryptographic API. |
| 4 | * |
| 5 | * Compression operations. |
| 6 | * |
| 7 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 8 | */ |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 9 | #include <linux/crypto.h> |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 10 | #include "internal.h" |
| 11 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 12 | int crypto_comp_compress(struct crypto_comp *comp, |
| 13 | const u8 *src, unsigned int slen, |
| 14 | u8 *dst, unsigned int *dlen) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 15 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 16 | struct crypto_tfm *tfm = crypto_comp_tfm(comp); |
| 17 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 18 | return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst, |
| 19 | dlen); |
| 20 | } |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 21 | EXPORT_SYMBOL_GPL(crypto_comp_compress); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 22 | |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 23 | int crypto_comp_decompress(struct crypto_comp *comp, |
| 24 | const u8 *src, unsigned int slen, |
| 25 | u8 *dst, unsigned int *dlen) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 26 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 27 | struct crypto_tfm *tfm = crypto_comp_tfm(comp); |
| 28 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 29 | return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst, |
| 30 | dlen); |
| 31 | } |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 32 | EXPORT_SYMBOL_GPL(crypto_comp_decompress); |