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/* mvAes.h v2.0 August '99
* Reference ANSI C code
*/
/* AES Cipher header file for ANSI C Submissions
Lawrence E. Bassham III
Computer Security Division
National Institute of Standards and Technology
April 15, 1998
This sample is to assist implementers developing to the Cryptographic
API Profile for AES Candidate Algorithm Submissions. Please consult this
document as a cross-reference.
ANY CHANGES, WHERE APPROPRIATE, TO INFORMATION PROVIDED IN THIS FILE
MUST BE DOCUMENTED. CHANGES ARE ONLY APPROPRIATE WHERE SPECIFIED WITH
THE STRING "CHANGE POSSIBLE". FUNCTION CALLS AND THEIR PARAMETERS CANNOT
BE CHANGED. STRUCTURES CAN BE ALTERED TO ALLOW IMPLEMENTERS TO INCLUDE
IMPLEMENTATION SPECIFIC INFORMATION.
*/
/* Includes:
Standard include files
*/
#include "mvOs.h"
/* Error Codes - CHANGE POSSIBLE: inclusion of additional error codes */
/* Key direction is invalid, e.g., unknown value */
#define AES_BAD_KEY_DIR -1
/* Key material not of correct length */
#define AES_BAD_KEY_MAT -2
/* Key passed is not valid */
#define AES_BAD_KEY_INSTANCE -3
/* Params struct passed to cipherInit invalid */
#define AES_BAD_CIPHER_MODE -4
/* Cipher in wrong state (e.g., not initialized) */
#define AES_BAD_CIPHER_STATE -5
#define AES_BAD_CIPHER_INSTANCE -7
/* Function protoypes */
/* CHANGED: makeKey(): parameter blockLen added
this parameter is absolutely necessary if you want to
setup the round keys in a variable block length setting
cipherInit(): parameter blockLen added (for obvious reasons)
*/
int aesMakeKey(MV_U8 *expandedKey, MV_U8 *keyMaterial, int keyLen, int blockLen);
int aesBlockEncrypt128(MV_U8 mode, MV_U8 *IV, MV_U8 *expandedKey, int keyLen,
MV_U32 *plain, int numBlocks, MV_U32 *cipher);
int aesBlockDecrypt128(MV_U8 mode, MV_U8 *IV, MV_U8 *expandedKey, int keyLen,
MV_U32 *plain, int numBlocks, MV_U32 *cipher);
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