Commit a0fd51ae authored by kokke's avatar kokke Committed by GitHub
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Update README.md

parent a97324ad
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This is a small and portable implementation of the AES ECB and CBC encryption algorithms written in C.
You can override the default 128bit key with a 192 or 256bit by defining the symbols AES192 or AES256 in `aes.h`.
The API is very simple and looks like this (I am using C99 `<stdint.h>`-style annotated types):
```C
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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);
void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv);
```
You can choose to use the standard 128b key or 192/256b by defining the symbols AES192 or AES256 in `aes.h` - AES128 is defined by default.
You can choose to use one or both of the modes-of-operation, by defining the symbols CBC and ECB. See the header file for clarification.
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