diff options
Diffstat (limited to 'include/linux/crypto.h')
| -rw-r--r-- | include/linux/crypto.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/crypto.h b/include/linux/crypto.h index f2565a103158..19ea3a371d7b 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Scatterlist Cryptographic API. * @@ -7,12 +8,6 @@ * * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no> * and Nettle, by Niels Möller. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #ifndef _LINUX_CRYPTO_H #define _LINUX_CRYPTO_H @@ -54,7 +49,6 @@ #define CRYPTO_ALG_TYPE_SCOMPRESS 0x0000000b #define CRYPTO_ALG_TYPE_RNG 0x0000000c #define CRYPTO_ALG_TYPE_AKCIPHER 0x0000000d -#define CRYPTO_ALG_TYPE_DIGEST 0x0000000e #define CRYPTO_ALG_TYPE_HASH 0x0000000e #define CRYPTO_ALG_TYPE_SHASH 0x0000000e #define CRYPTO_ALG_TYPE_AHASH 0x0000000f @@ -328,6 +322,17 @@ struct cipher_alg { void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); }; +/** + * struct compress_alg - compression/decompression algorithm + * @coa_compress: Compress a buffer of specified length, storing the resulting + * data in the specified buffer. Return the length of the + * compressed data in dlen. + * @coa_decompress: Decompress the source buffer, storing the uncompressed + * data in the specified buffer. The length of the data is + * returned in dlen. + * + * All fields are mandatory. + */ struct compress_alg { int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen); |