1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Common values for the GHASH hash function 4 */ 5 6 #ifndef __CRYPTO_GHASH_H__ 7 #define __CRYPTO_GHASH_H__ 8 9 #include <linux/types.h> 10 #include <crypto/gf128mul.h> 11 12 #define GHASH_BLOCK_SIZE 16 13 #define GHASH_DIGEST_SIZE 16 14 15 struct ghash_ctx { 16 struct gf128mul_4k *gf128; 17 }; 18 19 struct ghash_desc_ctx { 20 u8 buffer[GHASH_BLOCK_SIZE]; 21 u32 bytes; 22 }; 23 24 #endif 25