Update comments

1 files changed, 10 insertions, 4 deletions

diff --git a/rabbit.cpp b/rabbit.cpp
index f2189b45..7e29526c 100644
--- a/rabbit.cpp
+++ b/rabbit.cpp
@@ -137,8 +137,11 @@ void RabbitPolicy::OperateKeystream(KeystreamOperation operation, byte *output,
 	}

 

 	// If AdditiveCipherTemplate does not have an accumulated keystream

-	//  then it will ask OperateKeystream to XOR the plaintext with

-	//  the keystream and write it to the ciphertext buffer.

+	//  then it will ask OperateKeystream to generate one. Optionally it

+	//  will ask for an XOR of the input with the keystream while

+	//  writing the result to the output buffer. In all cases the

+	//  output buffer is written. The optional part is adding the

+	//  input buffer and keystream.

 	if ((operation & INPUT_NULL) != INPUT_NULL)

 		xorbuf(output, input, GetBytesPerIteration() * iterationCount);

 }

@@ -235,8 +238,11 @@ void RabbitWithIVPolicy::OperateKeystream(KeystreamOperation operation, byte *ou
 	}

 

 	// If AdditiveCipherTemplate does not have an accumulated keystream

-	//  then it will ask OperateKeystream to XOR the plaintext with

-	//  the keystream and write it to the ciphertext buffer.

+	//  then it will ask OperateKeystream to generate one. Optionally it

+	//  will ask for an XOR of the input with the keystream while

+	//  writing the result to the output buffer. In all cases the

+	//  output buffer is written. The optional part is adding the

+	//  input buffer and keystream.

 	if ((operation & INPUT_NULL) != INPUT_NULL)

 		xorbuf(output, input, GetBytesPerIteration() * iterationCount);

 }