1.\" 2.\" Copyright (c) 2002 3.\" Mark R V Murray. All rights reserved. 4.\" 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 17.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 20.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26.\" " 27.Dd February 6, 2002 28.Dt RIJNDAEL 9 29.Os 30.Sh NAME 31.Nm rijndael_makeKey , 32.Nm rijndael_cipherInit , 33.Nm rijndael_blockEncrypt , 34.Nm rijndael_padEncrypt , 35.Nm rijndael_blockDecrypt , 36.Nm rijndael_padDecrypt 37.Nd AES encryption 38.Sh SYNOPSIS 39.In sys/types.h 40.In crypto/rijndael.h 41.Ft int 42.Fo rijndael_makeKey 43.Fa "keyInstance *key" 44.Fa "uint8_t direction" 45.Fa "int keyLen" 46.Fa "char *keyMaterial" 47.Fc 48.Ft int 49.Fo rijndael_cipherInit 50.Fa "cipherInstance *cipher" 51.Fa "uint8_t mode" 52.Fa "char *IV" 53.Fc 54.Ft int 55.Fo rijndael_blockEncrypt 56.Fa "cipherInstance *cipher" 57.Fa "keyInstance *key" 58.Fa "uint8_t *input" 59.Fa "int inputLen" 60.Fa "uint8_t *outBuffer" 61.Fc 62.Ft int 63.Fo rijndael_padEncrypt 64.Fa "cipherInstance *cipher" 65.Fa "keyInstance *key" 66.Fa "uint8_t *input" 67.Fa "int inputOctets" 68.Fa "uint8_t *outBuffer" 69.Fc 70.Ft int 71.Fo rijndael_blockDecrypt 72.Fa "cipherInstance *cipher" 73.Fa "keyInstance *key" 74.Fa "uint8_t *input" 75.Fa "int inputLen" 76.Fa "uint8_t *outBuffer" 77.Fc 78.Ft int 79.Fo rijndael_padDecrypt 80.Fa "cipherInstance *cipher" 81.Fa "keyInstance *key" 82.Fa "uint8_t *input" 83.Fa "int inputOctets" 84.Fa "uint8_t *outBuffer" 85.Fc 86.Sh DESCRIPTION 87The 88.Fn rijndael_makeKey 89function is used to set up the key schedule in 90.Fa key . 91The 92.Fa direction 93(which may be 94.Dv DIR_ENCRYPT 95or 96.Dv DIR_DECRYPT ) 97specifies the intended use of the key. 98The length of the key (in bits) is given in 99.Fa keyLen , 100and must be 128, 192 or 256. 101The actual key is supplied in the buffer pointed to by 102.Fa keyMaterial . 103This material may be raw binary data, 104or an ASCII string containing a hexadecimal rendition 105of the raw binary data, 106dependent on a compile-time option in the 107.Nm 108sources, 109.Dv BINARY_KEY_MATERIAL . 110.Sh RETURN VALUES 111The 112.Fn rijndael_makeKey 113function will return 114.Dv BAD_KEY_INSTANCE 115if a 116.Dv NULL 117.Fa key 118is passed, 119.Dv BAD_KEY_DIR 120if 121.Fa direction 122is not 123.Dv DIR_ENCRYPT 124or 125.Dv DIR_DECRYPT , 126.Dv BAD_KEY_MAT 127if the key materials are not a hexadecimal string 128(and binary keys are not set), 129and 130.Dv TRUE 131otherwise. 132.Sh AUTHORS 133.An Mark R V Murray 134