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Diffstat (limited to 'src/irmd/oap.h')
| -rw-r--r-- | src/irmd/oap.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/irmd/oap.h b/src/irmd/oap.h new file mode 100644 index 00000000..460a89de --- /dev/null +++ b/src/irmd/oap.h @@ -0,0 +1,88 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2024 + * + * Ouroboros flow allocation protocol header + * + * Dimitri Staessens <dimitri@ouroboros.rocks> + * Sander Vrijders <sander@ouroboros.rocks> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., http://www.fsf.org/about/contact/. + */ + +#ifndef OUROBOROS_IRMD_OAP_H +#define OUROBOROS_IRMD_OAP_H + +#include <ouroboros/utils.h> + +#define OAP_ID_SIZE (16) +#define OAP_HDR_MIN_SIZE (OAP_ID_SIZE + sizeof(uint64_t) + 4 * sizeof(uint16_t)) + + +/* + * 0 1 2 3 + * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 + * +---------------------------------------------------------------+ + * | | + * | id (128 bits) | + * | | + * | | + * +---------------------------------------------------------------+ + * | timestamp (64 bits) | + * | | + * +---------------------------------------------------------------+ + * | crt_len (16 bits) | | + * +-----------+-----------------+ | + * | certificate | + * | | + * +---------------------------------------------------------------+ + * | eph_len (16 bits) | | + * +-----------+-----------------+ | + * | public key for ECDHE | + * | | + * +---------------------------------------------------------------+ + * | data_len (16 bits) | | + * +-----------+-----------------+ | + * | piggy backed application data | + * | | + * +---------------------------------------------------------------+ + * | sig_len (16 bits) | | + * +-----------+-----------------+ | + * | signature | + * | | + * +---------------------------------------------------------------+ + */ + +struct oap_hdr { + uint64_t timestamp; + buffer_t id; + buffer_t crt; + buffer_t eph; + buffer_t data; + buffer_t sig; + buffer_t hdr; +}; + +int oap_hdr_init(buffer_t id, + void * pkp, + void * pubcrt, + buffer_t ephkey, + buffer_t data, + struct oap_hdr * oap_hdr); + +void oap_hdr_fini(struct oap_hdr * oap_hdr); + +int oap_hdr_decode(buffer_t hdr, + struct oap_hdr * oap_hdr); + +#endif /* OUROBOROS_IRMD_OAP_H */ |