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.\" $FreeBSD$ 28.\" " 29.Dd February 6, 2002 30.Os 31.Dt RIJNDAEL 9 32.Sh NAME 33.Nm rijndael_makeKey , 34.Nm rijndael_cipherInit , 35.Nm rijndael_blockEncrypt , 36.Nm rijndael_padEncrypt , 37.Nm rijndael_blockDecrypt , 38.Nm rijndael_padDecrypt 39.Nd AES encryption 40.Sh SYNOPSIS 41.In sys/types.h 42.In crypto/rijndael.h 43.Ft int 44.Fo rijndael_makeKey 45.Fa "keyInstance *key" 46.Fa "u_int8_t direction" 47.Fa "int keyLen" 48.Fa "char *keyMaterial" 49.Fc 50.Ft int 51.Fo rijndael_cipherInit 52.Fa "cipherInstance *cipher" 53.Fa "u_int8_t mode" 54.Fa "char *IV" 55.Fc 56.Ft int 57.Fo rijndael_blockEncrypt 58.Fa "cipherInstance *cipher" 59.Fa "keyInstance *key" 60.Fa "u_int8_t *input" 61.Fa "int inputLen" 62.Fa "u_int8_t *outBuffer" 63.Fc 64.Ft int 65.Fo rijndael_padEncrypt 66.Fa "cipherInstance *cipher" 67.Fa "keyInstance *key" 68.Fa "u_int8_t *input" 69.Fa "int inputOctets" 70.Fa "u_int8_t *outBuffer" 71.Fc 72.Ft int 73.Fo rijndael_blockDecrypt 74.Fa "cipherInstance *cipher" 75.Fa "keyInstance *key" 76.Fa "u_int8_t *input" 77.Fa "int inputLen" 78.Fa "u_int8_t *outBuffer" 79.Fc 80.Ft int 81.Fo rijndael_padDecrypt 82.Fa "cipherInstance *cipher" 83.Fa "keyInstance *key" 84.Fa "u_int8_t *input" 85.Fa "int inputOctets" 86.Fa "u_int8_t *outBuffer" 87.Fc 88.Sh DESCRIPTION 89The 90.Fn rijndael_makeKey 91function is used to set up the key schedule in 92.Fa key . 93The 94.Fa direction 95(which may be 96.Dv DIR_ENCRYPT 97or 98.Dv DIR_DECRYPT ) 99specifies the intended use of the key. 100The length of the key (in bits) is given in 101.Fa keyLen , 102and must be 128, 192 or 256. 103The actual key is supplied in the buffer pointed to by 104.Fa keyMaterial . 105This material may be raw binary data, 106or an ASCII string containing a hexadecimal rendition 107of the raw binary data, 108dependent on a compile-time option in the 109.Nm 110sources, 111.Dv BINARY_KEY_MATERIAL . 112.Sh RETURN VALUES 113The 114.Fn rijndael_makeKey 115function will return 116.Dv BAD_KEY_INSTANCE 117if a 118.Dv NULL 119.Fa key 120is passed, 121.Dv BAD_KEY_DIR 122if 123.Fa direction 124is not 125.Dv DIR_ENCRYPT 126or 127.Dv DIR_DECRYPT , 128.Dv BAD_KEY_MAT 129if the key materials are not a hexadecimal string 130(and binary keys are not set), 131and 132.Dv TRUE 133otherwise. 134.Sh AUTHORS 135.An Mark R V Murray 136