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50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/*
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* Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
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* Copyright (c) 2016 Mike Belopuhov
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _AES_H_
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#define _AES_H_
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#ifndef AES_MAXROUNDS
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#define AES_MAXROUNDS (14)
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#endif
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typedef struct aes_ctx {
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uint32_t sk[60];
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uint32_t sk_exp[120];
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unsigned num_rounds;
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} AES_CTX;
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int AES_Setkey(AES_CTX *, const uint8_t *, int);
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void AES_Encrypt(AES_CTX *, const uint8_t *, uint8_t *);
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void AES_Decrypt(AES_CTX *, const uint8_t *, uint8_t *);
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void AES_Encrypt_ECB(AES_CTX *, const uint8_t *, uint8_t *, size_t);
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void AES_Decrypt_ECB(AES_CTX *, const uint8_t *, uint8_t *, size_t);
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int AES_KeySetup_Encrypt(uint32_t *, const uint8_t *, int);
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int AES_KeySetup_Decrypt(uint32_t *, const uint8_t *, int);
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#endif /* _AES_H_ */
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