diff options
Diffstat (limited to 'hashsig.h')
| -rw-r--r-- | hashsig.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/hashsig.h b/hashsig.h new file mode 100644 index 0000000..aeb2828 --- /dev/null +++ b/hashsig.h @@ -0,0 +1,115 @@ +/* + * hashsig.c + * --------- + * Implementation of draft-mcgrew-hash-sigs-08.txt + * + * Copyright (c) 2018, NORDUnet A/S All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of the NORDUnet nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _HAL_HASHSIG_H_ +#define _HAL_HASHSIG_H_ + +typedef enum lmots_algorithm_type { + lmots_reserved = 0, + lmots_sha256_n32_w1 = 1, + lmots_sha256_n32_w2 = 2, + lmots_sha256_n32_w4 = 3, + lmots_sha256_n32_w8 = 4 +} lmots_algorithm_t; + +typedef enum lms_algorithm_type { + lms_reserved = 0, + lms_sha256_n32_h5 = 5, + lms_sha256_n32_h10 = 6, + lms_sha256_n32_h15 = 7, + lms_sha256_n32_h20 = 8, + lms_sha256_n32_h25 = 9 +} lms_algorithm_t; + +typedef struct hal_hashsig_key hal_hashsig_key_t; + +extern const size_t hal_hashsig_key_t_size; + +extern hal_error_t hal_hashsig_key_gen(hal_core_t *core, + hal_hashsig_key_t **key_, + const size_t hss_levels, + const lms_algorithm_t lms_type, + const lmots_algorithm_t lmots_type); + +extern hal_error_t hal_hashsig_key_delete(const hal_hashsig_key_t * const key); + +extern hal_error_t hal_hashsig_private_key_to_der(const hal_hashsig_key_t * const key, + uint8_t *der, size_t *der_len, const size_t der_max); + +extern size_t hal_hashsig_private_key_to_der_len(const hal_hashsig_key_t * const key); + +extern hal_error_t hal_hashsig_private_key_from_der(hal_hashsig_key_t **key_, + void *keybuf, const size_t keybuf_len, + const uint8_t *der, const size_t der_len); + +extern hal_error_t hal_hashsig_public_key_to_der(const hal_hashsig_key_t * const key, + uint8_t *der, size_t *der_len, const size_t der_max); + +extern size_t hal_hashsig_public_key_to_der_len(const hal_hashsig_key_t * const key); + +extern hal_error_t hal_hashsig_public_key_from_der(hal_hashsig_key_t **key, + void *keybuf, const size_t keybuf_len, + const uint8_t * const der, const size_t der_len); + +extern hal_error_t hal_hashsig_sign(hal_core_t *core, + const hal_hashsig_key_t * const key, + const uint8_t * const hash, const size_t hash_len, + uint8_t *signature, size_t *signature_len, const size_t signature_max); + +extern hal_error_t hal_hashsig_verify(hal_core_t *core, + const hal_hashsig_key_t * const key, + const uint8_t * const hash, const size_t hash_len, + const uint8_t * const signature, const size_t signature_len); + +extern hal_error_t hal_hashsig_key_load_public(hal_hashsig_key_t **key_, + void *keybuf, const size_t keybuf_len, + const size_t L, + const lms_algorithm_t lms_type, + const lmots_algorithm_t lmots_type, + const uint8_t * const I, const size_t I_len, + const uint8_t * const T1, const size_t T1_len); + +extern hal_error_t hal_hashsig_key_load_public_xdr(hal_hashsig_key_t **key_, + void *keybuf, const size_t keybuf_len, + const uint8_t * const xdr, const size_t xdr_len); + +extern size_t hal_hashsig_signature_len(const size_t L, + const lms_algorithm_t lms_type, + const lmots_algorithm_t lmots_type); + +extern size_t hal_hashsig_lmots_private_key_len(const lmots_algorithm_t lmots_type); + +//extern hal_error_t hal_hashsig_restart(...); + +#endif /* _HAL_HASHSIG_H_ */ |