lcx_ecschnorr.h

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/*******************************************************************************
 *   Ledger Nano S - Secure firmware
 *   (c) 2022 Ledger
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 ********************************************************************************/
 
#ifdef HAVE_ECSCHNORR
 
#include "lcx_wrappers.h"
 
#ifndef LCX_ECSCHNORR_H
#define LCX_ECSCHNORR_H
 
WARN_UNUSED_RESULT cx_err_t cx_ecschnorr_sign_no_throw(const cx_ecfp_private_key_t *pvkey,
                                                       uint32_t                     mode,
                                                       cx_md_t                      hashID,
                                                       const uint8_t               *msg,
                                                       size_t                       msg_len,
                                                       uint8_t                     *sig,
                                                       size_t                      *sig_len);
 
DEPRECATED static inline size_t cx_ecschnorr_sign(const cx_ecfp_private_key_t *pvkey,
                                                  uint32_t                     mode,
                                                  cx_md_t                      hashID,
                                                  const unsigned char         *msg,
                                                  unsigned int                 msg_len,
                                                  unsigned char               *sig,
                                                  size_t                       sig_len,
                                                  unsigned int                *info)
{
    UNUSED(info);
    CX_THROW(cx_ecschnorr_sign_no_throw(pvkey, mode, hashID, msg, msg_len, sig, &sig_len));
    return sig_len;
}
 
WARN_UNUSED_RESULT bool cx_ecschnorr_verify(const cx_ecfp_public_key_t *pukey,
                                            uint32_t                    mode,
                                            cx_md_t                     hashID,
                                            const uint8_t              *msg,
                                            size_t                      msg_len,
                                            const uint8_t              *sig,
                                            size_t                      sig_len);
 
#endif
 
#endif  // HAVE_ECSHCNORR