1 // Copyright 2024 The BoringSSL Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef OPENSSL_HEADER_CRYPTO_FIPSMODULE_SLHDSA_WOTS_H
16 #define OPENSSL_HEADER_CRYPTO_FIPSMODULE_SLHDSA_WOTS_H
17 
18 #include "./params.h"
19 
20 #if defined(__cplusplus)
21 extern "C" {
22 #endif
23 
24 
25 // Implements Algorithm 6: wots_pkGen function, page 18
26 void slhdsa_wots_pk_gen(uint8_t pk[BCM_SLHDSA_SHA2_128S_N],
27                         const uint8_t sk_seed[BCM_SLHDSA_SHA2_128S_N],
28                         const uint8_t pub_seed[BCM_SLHDSA_SHA2_128S_N],
29                         uint8_t addr[32]);
30 
31 // Implements Algorithm 7: wots_sign function, page 20
32 void slhdsa_wots_sign(uint8_t sig[SLHDSA_SHA2_128S_WOTS_BYTES],
33                       const uint8_t msg[BCM_SLHDSA_SHA2_128S_N],
34                       const uint8_t sk_seed[BCM_SLHDSA_SHA2_128S_N],
35                       const uint8_t pub_seed[BCM_SLHDSA_SHA2_128S_N],
36                       uint8_t addr[32]);
37 
38 // Implements Algorithm 8: wots_pkFromSig function, page 21
39 void slhdsa_wots_pk_from_sig(uint8_t pk[BCM_SLHDSA_SHA2_128S_N],
40                              const uint8_t sig[SLHDSA_SHA2_128S_WOTS_BYTES],
41                              const uint8_t msg[BCM_SLHDSA_SHA2_128S_N],
42                              const uint8_t pub_seed[BCM_SLHDSA_SHA2_128S_N],
43                              uint8_t addr[32]);
44 
45 
46 #if defined(__cplusplus)
47 }  // extern C
48 #endif
49 
50 #endif  // OPENSSL_HEADER_CRYPTO_FIPSMODULE_SLHDSA_WOTS_H
51