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- #ifndef SPX_FORS_H
- #define SPX_FORS_H
-
- #include <stdint.h>
-
- #include "params.h"
-
- /**
- * Signs a message m, deriving the secret key from sk_seed and the FTS address.
- * Assumes m contains at least SPX_FORS_HEIGHT * SPX_FORS_TREES bits.
- */
- void PQCLEAN_SPHINCSSHAKE256128SROBUST_CLEAN_fors_sign(
- unsigned char *sig, unsigned char *pk,
- const unsigned char *m,
- const unsigned char *sk_seed, const unsigned char *pub_seed,
- const uint32_t fors_addr[8]);
-
- /**
- * Derives the FORS public key from a signature.
- * This can be used for verification by comparing to a known public key, or to
- * subsequently verify a signature on the derived public key. The latter is the
- * typical use-case when used as an FTS below an OTS in a hypertree.
- * Assumes m contains at least SPX_FORS_HEIGHT * SPX_FORS_TREES bits.
- */
- void PQCLEAN_SPHINCSSHAKE256128SROBUST_CLEAN_fors_pk_from_sig(
- unsigned char *pk,
- const unsigned char *sig, const unsigned char *m,
- const unsigned char *pub_seed, const uint32_t fors_addr[8]);
-
- #endif
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