aa12cea2cc
Although groff_mdoc(7) gives another impression, this is the ordering most widely used and also required by mdocml/mandoc. Reviewed by: ru Approved by: philip, ed (mentors)
136 lines
3.4 KiB
Groff
136 lines
3.4 KiB
Groff
.\"
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.\" Copyright (c) 2002
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.\" Mark R V Murray. All rights reserved.
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.\"
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\" "
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.Dd February 6, 2002
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.Dt RIJNDAEL 9
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.Os
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.Sh NAME
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.Nm rijndael_makeKey ,
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.Nm rijndael_cipherInit ,
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.Nm rijndael_blockEncrypt ,
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.Nm rijndael_padEncrypt ,
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.Nm rijndael_blockDecrypt ,
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.Nm rijndael_padDecrypt
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.Nd AES encryption
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.Sh SYNOPSIS
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.In sys/types.h
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.In crypto/rijndael.h
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.Ft int
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.Fo rijndael_makeKey
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.Fa "keyInstance *key"
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.Fa "u_int8_t direction"
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.Fa "int keyLen"
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.Fa "char *keyMaterial"
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.Fc
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.Ft int
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.Fo rijndael_cipherInit
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.Fa "cipherInstance *cipher"
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.Fa "u_int8_t mode"
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.Fa "char *IV"
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.Fc
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.Ft int
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.Fo rijndael_blockEncrypt
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.Fa "cipherInstance *cipher"
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.Fa "keyInstance *key"
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.Fa "u_int8_t *input"
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.Fa "int inputLen"
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.Fa "u_int8_t *outBuffer"
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.Fc
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.Ft int
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.Fo rijndael_padEncrypt
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.Fa "cipherInstance *cipher"
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.Fa "keyInstance *key"
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.Fa "u_int8_t *input"
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.Fa "int inputOctets"
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.Fa "u_int8_t *outBuffer"
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.Fc
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.Ft int
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.Fo rijndael_blockDecrypt
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.Fa "cipherInstance *cipher"
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.Fa "keyInstance *key"
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.Fa "u_int8_t *input"
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.Fa "int inputLen"
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.Fa "u_int8_t *outBuffer"
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.Fc
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.Ft int
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.Fo rijndael_padDecrypt
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.Fa "cipherInstance *cipher"
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.Fa "keyInstance *key"
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.Fa "u_int8_t *input"
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.Fa "int inputOctets"
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.Fa "u_int8_t *outBuffer"
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.Fc
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.Sh DESCRIPTION
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The
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.Fn rijndael_makeKey
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function is used to set up the key schedule in
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.Fa key .
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The
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.Fa direction
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(which may be
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.Dv DIR_ENCRYPT
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or
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.Dv DIR_DECRYPT )
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specifies the intended use of the key.
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The length of the key (in bits) is given in
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.Fa keyLen ,
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and must be 128, 192 or 256.
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The actual key is supplied in the buffer pointed to by
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.Fa keyMaterial .
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This material may be raw binary data,
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or an ASCII string containing a hexadecimal rendition
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of the raw binary data,
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dependent on a compile-time option in the
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.Nm
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sources,
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.Dv BINARY_KEY_MATERIAL .
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.Sh RETURN VALUES
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The
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.Fn rijndael_makeKey
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function will return
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.Dv BAD_KEY_INSTANCE
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if a
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.Dv NULL
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.Fa key
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is passed,
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.Dv BAD_KEY_DIR
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if
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.Fa direction
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is not
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.Dv DIR_ENCRYPT
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or
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.Dv DIR_DECRYPT ,
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.Dv BAD_KEY_MAT
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if the key materials are not a hexadecimal string
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(and binary keys are not set),
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and
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.Dv TRUE
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otherwise.
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.Sh AUTHORS
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.An Mark R V Murray
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