| 1 | /* mvAes.h v2.0 August '99 |
| 2 | * Reference ANSI C code |
| 3 | */ |
| 4 | |
| 5 | /* AES Cipher header file for ANSI C Submissions |
| 6 | Lawrence E. Bassham III |
| 7 | Computer Security Division |
| 8 | National Institute of Standards and Technology |
| 9 | |
| 10 | April 15, 1998 |
| 11 | |
| 12 | This sample is to assist implementers developing to the Cryptographic |
| 13 | API Profile for AES Candidate Algorithm Submissions. Please consult this |
| 14 | document as a cross-reference. |
| 15 | |
| 16 | ANY CHANGES, WHERE APPROPRIATE, TO INFORMATION PROVIDED IN THIS FILE |
| 17 | MUST BE DOCUMENTED. CHANGES ARE ONLY APPROPRIATE WHERE SPECIFIED WITH |
| 18 | THE STRING "CHANGE POSSIBLE". FUNCTION CALLS AND THEIR PARAMETERS CANNOT |
| 19 | BE CHANGED. STRUCTURES CAN BE ALTERED TO ALLOW IMPLEMENTERS TO INCLUDE |
| 20 | IMPLEMENTATION SPECIFIC INFORMATION. |
| 21 | */ |
| 22 | |
| 23 | /* Includes: |
| 24 | Standard include files |
| 25 | */ |
| 26 | |
| 27 | #include "mvOs.h" |
| 28 | |
| 29 | |
| 30 | /* Error Codes - CHANGE POSSIBLE: inclusion of additional error codes */ |
| 31 | |
| 32 | /* Key direction is invalid, e.g., unknown value */ |
| 33 | #define AES_BAD_KEY_DIR -1 |
| 34 | |
| 35 | /* Key material not of correct length */ |
| 36 | #define AES_BAD_KEY_MAT -2 |
| 37 | |
| 38 | /* Key passed is not valid */ |
| 39 | #define AES_BAD_KEY_INSTANCE -3 |
| 40 | |
| 41 | /* Params struct passed to cipherInit invalid */ |
| 42 | #define AES_BAD_CIPHER_MODE -4 |
| 43 | |
| 44 | /* Cipher in wrong state (e.g., not initialized) */ |
| 45 | #define AES_BAD_CIPHER_STATE -5 |
| 46 | |
| 47 | #define AES_BAD_CIPHER_INSTANCE -7 |
| 48 | |
| 49 | |
| 50 | /* Function protoypes */ |
| 51 | /* CHANGED: makeKey(): parameter blockLen added |
| 52 | this parameter is absolutely necessary if you want to |
| 53 | setup the round keys in a variable block length setting |
| 54 | cipherInit(): parameter blockLen added (for obvious reasons) |
| 55 | */ |
| 56 | int aesMakeKey(MV_U8 *expandedKey, MV_U8 *keyMaterial, int keyLen, int blockLen); |
| 57 | int aesBlockEncrypt128(MV_U8 mode, MV_U8 *IV, MV_U8 *expandedKey, int keyLen, |
| 58 | MV_U32 *plain, int numBlocks, MV_U32 *cipher); |
| 59 | int aesBlockDecrypt128(MV_U8 mode, MV_U8 *IV, MV_U8 *expandedKey, int keyLen, |
| 60 | MV_U32 *plain, int numBlocks, MV_U32 *cipher); |
| 61 | |
| 62 | |
| 63 | |
