1 /* 2 * This file is part of the openHiTLS project. 3 * 4 * openHiTLS is licensed under the Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * 8 * http://license.coscl.org.cn/MulanPSL2 9 * 10 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 11 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 12 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 13 * See the Mulan PSL v2 for more details. 14 */ 15 16 #ifndef CRYPT_SLH_DSA_HYPERTREE_H 17 #define CRYPT_SLH_DSA_HYPERTREE_H 18 19 #include <stdint.h> 20 #include "slh_dsa_local.h" 21 22 #ifdef HITLS_CRYPTO_SLH_DSA 23 24 /** 25 * @brief Sign a message using Hypertree 26 * 27 * @param msg Input message to sign 28 * @param msgLen Length of the message 29 * @param treeIdx Index of the tree to use 30 * @param leafIdx Index of the leaf to use 31 * @param ctx Context of SLH-DSA 32 * @param sig Output signature 33 * @param sigLen Length of the signature 34 * @return int 0 on success, error code otherwise 35 */ 36 int32_t HypertreeSign(const uint8_t *msg, uint32_t msgLen, uint64_t treeIdx, uint32_t leafIdx, 37 const CryptSlhDsaCtx *ctx, uint8_t *sig, uint32_t *sigLen); 38 39 /** 40 * @brief Verify a Hypertree signature 41 * 42 * @param msg Input message that was signed 43 * @param msgLen Length of the message 44 * @param sig Hypertree signature to verify 45 * @param sigLen Length of the signature 46 * @param treeIdx Index of the tree to use 47 * @param leafIdx Index of the leaf to use 48 * @param ctx Context of SLH-DSA 49 * @return int 0 if signature is valid, error code otherwise 50 */ 51 int32_t HypertreeVerify(const uint8_t *msg, uint32_t msgLen, const uint8_t *sig, uint32_t sigLen, uint64_t treeIdx, 52 uint32_t leafIdx, const CryptSlhDsaCtx *ctx); 53 54 #endif // HITLS_CRYPTO_SLH_DSA 55 #endif // CRYPT_SLH_DSA_HYPERTREE_H