projects / apple / security.git / blame
| Commit | Line | Data |
|---|---|---|
| b1ab9ed8 | 1 | /* |
| d8f41ccd | 2 | * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved. |
| b1ab9ed8 A |
3 | * |
| 4 | * The contents of this file constitute Original Code as defined in and are | |
| 5 | * subject to the Apple Public Source License Version 1.2 (the 'License'). | |
| 6 | * You may not use this file except in compliance with the License. Please obtain | |
| 7 | * a copy of the License at http://www.apple.com/publicsource and read it before | |
| 8 | * using this file. | |
| 9 | * | |
| 10 | * This Original Code and all software distributed under the License are | |
| 11 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS | |
| 12 | * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT | |
| 13 | * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR | |
| 14 | * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the | |
| 15 | * specific language governing rights and limitations under the License. | |
| 16 | */ | |
| 17 | ||
| 18 | ||
| 19 | /* | |
| 20 | * rijndaelApi.h - AES API layer | |
| 21 | * | |
| 22 | * Based on rijndael-api-ref.h v2.0 written by Paulo Barreto | |
| 23 | * and Vincent Rijmen | |
| 24 | */ | |
| 25 | ||
| 26 | #ifndef _RIJNDAEL_API_REF_H_ | |
| 27 | #define _RIJNDAEL_API_REF_H_ | |
| 28 | ||
| 29 | #include <stdio.h> | |
| 30 | #include "rijndael-alg-ref.h" | |
| 31 | ||
| 32 | #ifdef __cplusplus | |
| 33 | extern "C" { | |
| 34 | #endif | |
| 35 | ||
| 36 | /* Error Codes */ | |
| 37 | #define BAD_KEY_MAT -1 /* Key material not of correct | |
| 38 | length */ | |
| 39 | #define BAD_KEY_INSTANCE -2 /* Key passed is not valid */ | |
| 40 | ||
| 41 | #define MAX_AES_KEY_SIZE (MAX_AES_KEY_BITS / 8) | |
| 42 | #define MAX_AES_BLOCK_SIZE (MAX_AES_BLOCK_BITS / 8) | |
| 43 | #define MAX_AES_IV_SIZE MAX_AES_BLOCK_SIZE | |
| 44 | ||
| 45 | #define TRUE 1 | |
| 46 | #define FALSE 0 | |
| 47 | ||
| 48 | /* The structure for key information */ | |
| 49 | typedef struct { | |
| 50 | word32 keyLen; /* Length of the key in bits */ | |
| 51 | word32 blockLen; /* Length of block in bits */ | |
| 52 | word32 columns; /* optimization, blockLen / 32 */ | |
| 53 | word8 keySched[MAXROUNDS+1][4][MAXBC]; | |
| 54 | } keyInstance; | |
| 55 | ||
| 56 | int makeKey( | |
| 57 | keyInstance *key, | |
| 58 | int keyLen, // in BITS | |
| 59 | int blockLen, // in BITS | |
| 60 | word8 *keyMaterial, | |
| 61 | int enable128Opt); | |
| 62 | ||
| 63 | /* | |
| 64 | * Simplified single-block encrypt/decrypt. | |
| 65 | */ | |
| 66 | int rijndaelBlockEncrypt( | |
| 67 | keyInstance *key, | |
| 68 | word8 *input, | |
| 69 | word8 *outBuffer); | |
| 70 | int rijndaelBlockDecrypt( | |
| 71 | keyInstance *key, | |
| 72 | word8 *input, | |
| 73 | word8 *outBuffer); | |
| 74 | ||
| 75 | #if !GLADMAN_AES_128_ENABLE | |
| 76 | /* | |
| 77 | * Optimized routines for 128 bit block and 128 bit key. | |
| 78 | */ | |
| 79 | int rijndaelBlockEncrypt128( | |
| 80 | keyInstance *key, | |
| 81 | word8 *input, | |
| 82 | word8 *outBuffer); | |
| 83 | int rijndaelBlockDecrypt128( | |
| 84 | keyInstance *key, | |
| 85 | word8 *input, | |
| 86 | word8 *outBuffer); | |
| 87 | #endif /* !GLADMAN_AES_128_ENABLE */ | |
| 88 | ||
| 89 | #if defined(__ppc__) && defined(ALTIVEC_ENABLE) | |
| 90 | /* | |
| 91 | * dmitch addenda 4/11/2001: 128-bit only vectorized encrypt/decrypt with no CBC | |
| 92 | */ | |
| 93 | void vBlockEncrypt128( | |
| 94 | keyInstance *key, | |
| 95 | word8 *input, | |
| 96 | word8 *outBuffer); | |
| 97 | void vBlockDecrypt128( | |
| 98 | keyInstance *key, | |
| 99 | word8 *input, | |
| 100 | word8 *outBuffer); | |
| 101 | ||
| 102 | /* temp switch for runtime enable/disable */ | |
| 103 | extern int doAES128; | |
| 104 | ||
| 105 | #endif /* __ppc__ && ALTIVEC_ENABLE */ | |
| 106 | ||
| 107 | /* ptr to one of several (possibly optimized) encrypt/decrypt functions */ | |
| 108 | typedef int (*aesCryptFcn)( | |
| 109 | keyInstance *key, | |
| 110 | word8 *input, | |
| 111 | word8 *outBuffer); | |
| 112 | ||
| 113 | #ifdef __cplusplus | |
| 114 | } | |
| 115 | #endif // cplusplus | |
| 116 | ||
| 117 | #endif // RIJNDAEL_API_REF | |
| 118 | ||
| 119 |