diff options
Diffstat (limited to 'lib/liboqs/src/sig/sphincs/pqclean_sphincs-shake256-192f-simple_clean/wots.h')
-rw-r--r-- | lib/liboqs/src/sig/sphincs/pqclean_sphincs-shake256-192f-simple_clean/wots.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/liboqs/src/sig/sphincs/pqclean_sphincs-shake256-192f-simple_clean/wots.h b/lib/liboqs/src/sig/sphincs/pqclean_sphincs-shake256-192f-simple_clean/wots.h new file mode 100644 index 000000000..5627cc935 --- /dev/null +++ b/lib/liboqs/src/sig/sphincs/pqclean_sphincs-shake256-192f-simple_clean/wots.h @@ -0,0 +1,41 @@ +#ifndef PQCLEAN_SPHINCSSHAKE256192FSIMPLE_CLEAN_WOTS_H +#define PQCLEAN_SPHINCSSHAKE256192FSIMPLE_CLEAN_WOTS_H + +#include "hash_state.h" +#include "params.h" +#include <stdint.h> + +/** + * WOTS key generation. Takes a 32 byte seed for the private key, expands it to + * a full WOTS private key and computes the corresponding public key. + * It requires the seed pub_seed (used to generate bitmasks and hash keys) + * and the address of this WOTS key pair. + * + * Writes the computed public key to 'pk'. + */ +void PQCLEAN_SPHINCSSHAKE256192FSIMPLE_CLEAN_wots_gen_pk( + unsigned char *pk, const unsigned char *sk_seed, + const unsigned char *pub_seed, uint32_t addr[8], + const hash_state *hash_state_seeded); + +/** + * Takes a n-byte message and the 32-byte seed for the private key to compute a + * signature that is placed at 'sig'. + */ +void PQCLEAN_SPHINCSSHAKE256192FSIMPLE_CLEAN_wots_sign( + unsigned char *sig, const unsigned char *msg, + const unsigned char *sk_seed, const unsigned char *pub_seed, + uint32_t addr[8], const hash_state *hash_state_seeded); + +/** + * Takes a WOTS signature and an n-byte message, computes a WOTS public key. + * + * Writes the computed public key to 'pk'. + */ +void PQCLEAN_SPHINCSSHAKE256192FSIMPLE_CLEAN_wots_pk_from_sig( + unsigned char *pk, + const unsigned char *sig, const unsigned char *msg, + const unsigned char *pub_seed, uint32_t addr[8], + const hash_state *hash_state_seeded); + +#endif |