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https://github.com/0xFEEDC0DE64/arduino-esp32.git
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49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
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/*
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* AES-based functions
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*
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* - AES Key Wrap Algorithm (128-bit KEK) (RFC3394)
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* - One-Key CBC MAC (OMAC1) hash with AES-128
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* - AES-128 CTR mode encryption
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* - AES-128 EAX mode encryption/decryption
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* - AES-128 CBC
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*
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* Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef AES_WRAP_H
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#define AES_WRAP_H
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int __must_check aes_wrap(const u8 *kek, int n, const u8 *plain, u8 *cipher);
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int __must_check aes_unwrap(const u8 *kek, int n, const u8 *cipher, u8 *plain);
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int __must_check omac1_aes_128_vector(const u8 *key, size_t num_elem,
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const u8 *addr[], const size_t *len,
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u8 *mac);
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int __must_check omac1_aes_128(const u8 *key, const u8 *data, size_t data_len,
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u8 *mac);
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int __must_check aes_128_encrypt_block(const u8 *key, const u8 *in, u8 *out);
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int __must_check aes_128_ctr_encrypt(const u8 *key, const u8 *nonce,
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u8 *data, size_t data_len);
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int __must_check aes_128_eax_encrypt(const u8 *key,
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const u8 *nonce, size_t nonce_len,
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const u8 *hdr, size_t hdr_len,
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u8 *data, size_t data_len, u8 *tag);
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int __must_check aes_128_eax_decrypt(const u8 *key,
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const u8 *nonce, size_t nonce_len,
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const u8 *hdr, size_t hdr_len,
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u8 *data, size_t data_len, const u8 *tag);
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int __must_check aes_128_cbc_encrypt(const u8 *key, const u8 *iv, u8 *data,
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size_t data_len);
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int __must_check aes_128_cbc_decrypt(const u8 *key, const u8 *iv, u8 *data,
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size_t data_len);
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#endif /* AES_WRAP_H */
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