diff options
Diffstat (limited to 'crypto/openssh/acss.h')
| -rw-r--r-- | crypto/openssh/acss.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/crypto/openssh/acss.h b/crypto/openssh/acss.h new file mode 100644 index 0000000..91b4895 --- /dev/null +++ b/crypto/openssh/acss.h @@ -0,0 +1,47 @@ +/* $Id: acss.h,v 1.2 2004/02/06 04:22:43 dtucker Exp $ */ +/* + * Copyright (c) 2004 The OpenBSD project + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _ACSS_H_ +#define _ACSS_H_ + +/* 40bit key */ +#define ACSS_KEYSIZE 5 + +/* modes of acss */ +#define ACSS_AUTHENTICATE 0 +#define ACSS_SESSIONKEY 1 +#define ACSS_TITLEKEY 2 +#define ACSS_DATA 3 + +typedef struct acss_key_st { + unsigned int lfsr17; /* current state of lfsrs */ + unsigned int lfsr25; + unsigned int lfsrsum; + unsigned char seed[ACSS_KEYSIZE]; + unsigned char data[ACSS_KEYSIZE]; + unsigned char subkey[ACSS_KEYSIZE]; + int encrypt; /* XXX make these bit flags? */ + int mode; + int seeded; + int subkey_avilable; +} ACSS_KEY; + +void acss_setkey(ACSS_KEY *, const unsigned char *, int, int); +void acss_setsubkey(ACSS_KEY *, const unsigned char *); +int acss(ACSS_KEY *, unsigned long, const unsigned char *, unsigned char *); + +#endif /* ifndef _ACSS_H_ */ |
