68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <stddef.h>
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#include <stdbool.h>
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enum crypto_cipher {
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CRYPTO_CIPHER_WEP40,
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CRYPTO_CIPHER_WEP104,
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CRYPTO_CIPHER_TKIP,
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CRYPTO_CIPHER_CCMP,
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CRYPTO_CIPHER_BIP,
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};
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struct crypto_ptk {
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uint8_t kck[16];
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uint8_t kek[16];
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uint8_t tk[0];
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} __attribute__ ((packed));
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bool hmac_md5(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size);
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bool hmac_sha256(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size);
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bool cmac_aes(const void *key, size_t key_len,
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const void *data, size_t data_len, void *output, size_t size);
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bool aes_unwrap(const uint8_t *kek, const uint8_t *in, size_t len,
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uint8_t *out);
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bool arc4_skip(const uint8_t *key, size_t key_len, size_t skip,
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const uint8_t *in, size_t len, uint8_t *out);
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int crypto_cipher_key_len(enum crypto_cipher cipher);
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int crypto_cipher_tk_bits(enum crypto_cipher cipher);
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int crypto_psk_from_passphrase(const char *passphrase,
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const unsigned char *ssid, size_t ssid_len,
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unsigned char *out_psk);
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bool crypto_derive_ptk(const uint8_t *pmk, size_t pmk_len, const char *label,
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const uint8_t *addr1, const uint8_t *addr2,
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const uint8_t *nonce1, const uint8_t *nonce2,
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uint8_t *out_ptk, size_t ptk_len);
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bool crypto_derive_pairwise_ptk(const uint8_t *pmk,
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const uint8_t *addr1, const uint8_t *addr2,
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const uint8_t *nonce1, const uint8_t *nonce2,
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struct crypto_ptk *out_ptk, size_t ptk_len);
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