aes.c File Reference

Overview

This code is the implementation of the AES algorithm and the CTR, CBC, and CCM modes of operation it can be used in.

AES is, specified by the NIST in in publication FIPS PUB 197, availible at:

• http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf . The CBC and CTR modes of operation are specified by NIST SP 800-38 A, available at:
• http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf . The CCM mode of operation is specified by NIST SP80-38 C, available at:
• http://csrc.nist.gov/publications/nistpubs/800-38C/SP800-38C_updated-July20_2007.pdf

 MODIFICATION HISTORY:

 Ver   Who  Date     Changes



 1.00  MH   10/30/15 First Release
 1.01  MH   01/28/17 Fixed warnings and errors.

Functions
void	XHdcp22Cmn_Aes128Encrypt (const u8 *Data, const u8 *Key, u8 *Output)
	This function encrypts 128 bits data with a key of size 128 bits. More...
void	XHdcp22Cmn_Aes128Decrypt (const u8 *Data, const u8 *Key, u8 *Output)
	This function encrypts 128 bits data with a key of size 128 bits. More...

Function Documentation

void XHdcp22Cmn_Aes128Decrypt	(	const u8 *	Data,
		const u8 *	Key,
		u8 *	Output
	)

This function encrypts 128 bits data with a key of size 128 bits.

Parameters

Input	is the 16 byte ciphertext
Key	is the user supplied input key
Output	is the 16 byte plaintext

Returns

None.

Note

None.

void XHdcp22Cmn_Aes128Encrypt	(	const u8 *	Data,
		const u8 *	Key,
		u8 *	Output
	)

This function encrypts 128 bits data with a key of size 128 bits.

Parameters

Input	is the 16 byte plaintext
Key	is the user supplied input key
Output	is the 16 byte ciphertext

Returns

None.

Note

None.