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| [1] | 1 | #ifndef _AES_H_
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| 2 | #define _AES_H_
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| 3 |
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| 4 | #include <stdint.h>
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| 5 |
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| 6 |
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| 7 | // #define the macros below to 1/0 to enable/disable the mode of operation.
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| 8 | //
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| 9 | // CBC enables AES128 encryption in CBC-mode of operation and handles 0-padding.
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| 10 | // ECB enables the basic ECB 16-byte block algorithm. Both can be enabled simultaneously.
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| 11 |
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| 12 | // The #ifndef-guard allows it to be configured before #include'ing or at compile time.
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| 13 | #ifndef CBC
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| 14 | #define CBC 1
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| 15 | #endif
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| 16 |
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| 17 | #ifndef ECB
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| 18 | #define ECB 1
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| 19 | #endif
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| 20 |
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| 21 |
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| 22 |
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| 23 | #if defined(ECB) && ECB
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| 24 |
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| 25 | void AES128_ECB_encrypt(uint8_t* input, const uint8_t* key, uint8_t *output);
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| 26 | void AES128_ECB_decrypt(uint8_t* input, const uint8_t* key, uint8_t *output);
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| 27 |
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| 28 | #endif // #if defined(ECB) && ECB
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| 29 |
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| 30 |
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| 31 | #if defined(CBC) && CBC
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| 32 |
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| 33 | void AES128_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
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| 34 | void AES128_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
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| 35 |
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| 36 | #endif // #if defined(CBC) && CBC
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| 37 |
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| 38 |
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| 39 |
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| 40 | #endif //_AES_H_
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| 41 | void phex(uint8_t* str, int num);
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