1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _AES_IMPL_H 28 #define _AES_IMPL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Common definitions used by AES. 34 */ 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #define AES_BLOCK_LEN 16 41 42 #define AES_COPY_BLOCK(src, dst) \ 43 (dst)[0] = (src)[0]; \ 44 (dst)[1] = (src)[1]; \ 45 (dst)[2] = (src)[2]; \ 46 (dst)[3] = (src)[3]; \ 47 (dst)[4] = (src)[4]; \ 48 (dst)[5] = (src)[5]; \ 49 (dst)[6] = (src)[6]; \ 50 (dst)[7] = (src)[7]; \ 51 (dst)[8] = (src)[8]; \ 52 (dst)[9] = (src)[9]; \ 53 (dst)[10] = (src)[10]; \ 54 (dst)[11] = (src)[11]; \ 55 (dst)[12] = (src)[12]; \ 56 (dst)[13] = (src)[13]; \ 57 (dst)[14] = (src)[14]; \ 58 (dst)[15] = (src)[15] 59 60 #define AES_XOR_BLOCK(src, dst) \ 61 (dst)[0] ^= (src)[0]; \ 62 (dst)[1] ^= (src)[1]; \ 63 (dst)[2] ^= (src)[2]; \ 64 (dst)[3] ^= (src)[3]; \ 65 (dst)[4] ^= (src)[4]; \ 66 (dst)[5] ^= (src)[5]; \ 67 (dst)[6] ^= (src)[6]; \ 68 (dst)[7] ^= (src)[7]; \ 69 (dst)[8] ^= (src)[8]; \ 70 (dst)[9] ^= (src)[9]; \ 71 (dst)[10] ^= (src)[10]; \ 72 (dst)[11] ^= (src)[11]; \ 73 (dst)[12] ^= (src)[12]; \ 74 (dst)[13] ^= (src)[13]; \ 75 (dst)[14] ^= (src)[14]; \ 76 (dst)[15] ^= (src)[15] 77 78 #define AES_MINBITS 128 79 #define AES_MINBYTES (AES_MINBITS >> 3) 80 #ifdef CRYPTO_UNLIMITED 81 #define AES_MAXBITS 256 82 #else 83 #define AES_MAXBITS 128 84 #endif /* CRYPTO_UNLIMITED */ 85 #define AES_MAXBYTES (AES_MAXBITS >> 3) 86 87 #define AES_MIN_KEY_BYTES (AES_MINBITS >> 3) 88 #define AES_MAX_KEY_BYTES (AES_MAXBITS >> 3) 89 #define AES_192_KEY_BYTES 24 90 #define AES_IV_LEN 16 91 92 #define AES_32BIT_KS 32 93 #define AES_64BIT_KS 64 94 95 #define MAX_AES_NR 14 96 97 typedef union { 98 uint64_t ks64[(MAX_AES_NR + 1) * 4]; 99 uint32_t ks32[(MAX_AES_NR + 1) * 4]; 100 } aes_ks_t; 101 102 typedef struct aes_key aes_key_t; 103 struct aes_key { 104 int nr; 105 int type; 106 aes_ks_t encr_ks; 107 aes_ks_t decr_ks; 108 }; 109 110 extern void aes_encrypt_block(void *, uint8_t *, uint8_t *); 111 extern void aes_decrypt_block(void *, uint8_t *, uint8_t *); 112 extern void aes_init_keysched(uint8_t *, uint_t, void *); 113 extern void *aes_alloc_keysched(size_t *, int); 114 extern void aes_encrypt_impl(const aes_ks_t *ks, int Nr, const uint32_t pt[4], 115 uint32_t ct[4]); 116 extern void aes_decrypt_impl(const aes_ks_t *ks, int Nr, const uint32_t ct[4], 117 uint32_t pt[4]); 118 119 #ifdef __cplusplus 120 } 121 #endif 122 123 #endif /* _AES_IMPL_H */ 124