| /* |
| * |
| * Embedded Linux library |
| * |
| * Copyright (C) 2016 Intel Corporation. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifndef __ELL_KEY_H |
| #define __ELL_KEY_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <stddef.h> |
| #include <stdbool.h> |
| |
| #include <ell/checksum.h> |
| |
| struct l_key; |
| struct l_keyring; |
| |
| enum l_key_type { |
| L_KEY_RAW = 0, |
| L_KEY_RSA, |
| }; |
| |
| enum l_keyring_type { |
| L_KEYRING_SIMPLE = 0, |
| L_KEYRING_TRUSTED_ASYM, |
| L_KEYRING_TRUSTED_ASYM_CHAIN, |
| }; |
| |
| enum l_key_cipher_type { |
| L_KEY_RSA_PKCS1_V1_5, |
| L_KEY_RSA_RAW, |
| }; |
| |
| struct l_key *l_key_new(enum l_key_type type, const void *payload, |
| size_t payload_length); |
| |
| void l_key_free(struct l_key *key); |
| void l_key_free_norevoke(struct l_key *key); |
| |
| bool l_key_update(struct l_key *key, const void *payload, size_t len); |
| |
| bool l_key_extract(struct l_key *key, void *payload, size_t *len); |
| |
| ssize_t l_key_get_payload_size(struct l_key *key); |
| |
| bool l_key_get_info(struct l_key *key, enum l_key_cipher_type cipher, |
| enum l_checksum_type checksum, size_t *bits, |
| bool *public); |
| |
| bool l_key_compute_dh_public(struct l_key *generator, struct l_key *private, |
| struct l_key *prime, void *payload, size_t *len); |
| |
| bool l_key_compute_dh_secret(struct l_key *other_public, struct l_key *private, |
| struct l_key *prime, void *payload, size_t *len); |
| |
| ssize_t l_key_encrypt(struct l_key *key, enum l_key_cipher_type cipher, |
| enum l_checksum_type checksum, const void *in, |
| void *out, size_t len_in, size_t len_out); |
| |
| ssize_t l_key_decrypt(struct l_key *key, enum l_key_cipher_type cipher, |
| enum l_checksum_type checksum, const void *in, |
| void *out, size_t len_in, size_t len_out); |
| |
| ssize_t l_key_sign(struct l_key *key, enum l_key_cipher_type cipher, |
| enum l_checksum_type checksum, const void *in, |
| void *out, size_t len_in, size_t len_out); |
| |
| bool l_key_verify(struct l_key *key, enum l_key_cipher_type cipher, |
| enum l_checksum_type checksum, const void *data, |
| const void *sig, size_t len_data, size_t len_sig); |
| |
| struct l_keyring *l_keyring_new(enum l_keyring_type type, |
| const struct l_keyring *trust); |
| |
| void l_keyring_free(struct l_keyring *keyring); |
| void l_keyring_free_norevoke(struct l_keyring *keyring); |
| |
| bool l_keyring_link(struct l_keyring *keyring, const struct l_key *key); |
| |
| bool l_keyring_unlink(struct l_keyring *keyring, const struct l_key *key); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __ELL_KEY_H */ |