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-rw-r--r--README.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/README.md b/README.md
index 374a02c..c51db3e 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ 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
+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.