| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Cryptographic API. |
| * |
| * Compression operations. |
| * |
| * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
| */ |
| #include <linux/types.h> |
| #include <linux/crypto.h> |
| #include <linux/errno.h> |
| #include <linux/string.h> |
| #include "internal.h" |
| |
| static int crypto_compress(struct crypto_tfm *tfm, |
| const u8 *src, unsigned int slen, |
| u8 *dst, unsigned int *dlen) |
| { |
| return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst, |
| dlen); |
| } |
| |
| static int crypto_decompress(struct crypto_tfm *tfm, |
| const u8 *src, unsigned int slen, |
| u8 *dst, unsigned int *dlen) |
| { |
| return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst, |
| dlen); |
| } |
| |
| int crypto_init_compress_ops(struct crypto_tfm *tfm) |
| { |
| struct compress_tfm *ops = &tfm->crt_compress; |
| |
| ops->cot_compress = crypto_compress; |
| ops->cot_decompress = crypto_decompress; |
| |
| return 0; |
| } |