the-tree/crypto/compress.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * Cryptographic API.
0004  *
0005  * Compression operations.
0006  *
0007  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
0008  */
0009 #include <linux/crypto.h>
0010 #include "internal.h"
0011
0012 int crypto_comp_compress(struct crypto_comp *comp,
0013              const u8 *src, unsigned int slen,
0014              u8 *dst, unsigned int *dlen)
0015 {
0016     struct crypto_tfm *tfm = crypto_comp_tfm(comp);
0017
0018     return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
0019                                                      dlen);
0020 }
0021 EXPORT_SYMBOL_GPL(crypto_comp_compress);
0022
0023 int crypto_comp_decompress(struct crypto_comp *comp,
0024                const u8 *src, unsigned int slen,
0025                u8 *dst, unsigned int *dlen)
0026 {
0027     struct crypto_tfm *tfm = crypto_comp_tfm(comp);
0028
0029     return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
0030                                                        dlen);
0031 }
0032 EXPORT_SYMBOL_GPL(crypto_comp_decompress);