kopia lustrzana https://github.com/weetmuts/wmbusmeters
44 wiersze
1.2 KiB
C
44 wiersze
1.2 KiB
C
// Source from https://github.com/kokke/tiny-AES128-C
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// Public Domain / CC0 / Unlicense
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#ifndef _AES_H_
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#define _AES_H_
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#include <stdint.h>
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// #define the macros below to 1/0 to enable/disable the mode of operation.
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//
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// CBC enables AES encryption in CBC-mode of operation.
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// ECB enables the basic ECB 16-byte block algorithm. Both can be enabled simultaneously.
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// The #ifndef-guard allows it to be configured before #include'ing or at compile time.
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#ifndef CBC
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#define CBC 1
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#endif
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#ifndef ECB
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#define ECB 1
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#endif
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#define AES128 1
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//#define AES192 1
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//#define AES256 1
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#if defined(ECB) && (ECB == 1)
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void AES_ECB_encrypt(const uint8_t* input, const uint8_t* key, uint8_t *output, const uint32_t length);
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void AES_ECB_decrypt(const uint8_t* input, const uint8_t* key, uint8_t *output, const uint32_t length);
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#endif // #if defined(ECB) && (ECB == !)
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#if defined(CBC) && (CBC == 1)
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void AES_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
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void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
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#endif // #if defined(CBC) && (CBC == 1)
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#endif //_AES_H_
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