1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Cryptographic API. 4 * 5 * Compression operations. 6 * 7 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> 8 */ 9 #include <linux/crypto.h> 10 #include "internal.h" 11 12 int crypto_comp_compress(struct crypto_comp *comp, 13 const u8 *src, unsigned int slen, 14 u8 *dst, unsigned int *dlen) 15 { 16 struct crypto_tfm *tfm = crypto_comp_tfm(comp); 17 18 return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst, 19 dlen); 20 } 21 EXPORT_SYMBOL_GPL(crypto_comp_compress); 22 23 int crypto_comp_decompress(struct crypto_comp *comp, 24 const u8 *src, unsigned int slen, 25 u8 *dst, unsigned int *dlen) 26 { 27 struct crypto_tfm *tfm = crypto_comp_tfm(comp); 28 29 return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst, 30 dlen); 31 } 32 EXPORT_SYMBOL_GPL(crypto_comp_decompress); 33