include/crypto/sha3.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Common values for SHA-3 algorithms
   4  */
   5 #ifndef __CRYPTO_SHA3_H__
   6 #define __CRYPTO_SHA3_H__
   7
   8 #define SHA3_224_DIGEST_SIZE    (224 / 8)
   9 #define SHA3_224_BLOCK_SIZE     (200 - 2 * SHA3_224_DIGEST_SIZE)
  10
  11 #define SHA3_256_DIGEST_SIZE    (256 / 8)
  12 #define SHA3_256_BLOCK_SIZE     (200 - 2 * SHA3_256_DIGEST_SIZE)
  13
  14 #define SHA3_384_DIGEST_SIZE    (384 / 8)
  15 #define SHA3_384_BLOCK_SIZE     (200 - 2 * SHA3_384_DIGEST_SIZE)
  16
  17 #define SHA3_512_DIGEST_SIZE    (512 / 8)
  18 #define SHA3_512_BLOCK_SIZE     (200 - 2 * SHA3_512_DIGEST_SIZE)
  19
  20 struct sha3_state {
  21         u64             st[25];
  22         unsigned int    rsiz;
  23         unsigned int    rsizw;
  24
  25         unsigned int    partial;
  26         u8              buf[SHA3_224_BLOCK_SIZE];
  27 };
  28
  29 int crypto_sha3_init(struct shash_desc *desc);
  30 int crypto_sha3_update(struct shash_desc *desc, const u8 *data,
  31                        unsigned int len);
  32 int crypto_sha3_final(struct shash_desc *desc, u8 *out);
  33
  34 #endif