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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -2,6 +2,8 @@ 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 @@ -10,7 +12,7 @@ void AES_ECB_decrypt(uint8_t* input, const uint8_t* key, uint8_t* output); 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. |