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author | Werner Koch <wk@gnupg.org> | 1997-11-18 14:05:56 +0000 |
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committer | Werner Koch <wk@gnupg.org> | 1997-11-18 14:05:56 +0000 |
commit | 4b5e71ca4e84e61e595dec19e1c7cab0c0a73f24 (patch) | |
tree | cfa374507b08344f49f28814c67f058723a485d4 /cipher/gost.h | |
parent | 539284b719a82a79e3d3bba68de85581ea8f77f1 (diff) | |
download | libgcrypt-4b5e71ca4e84e61e595dec19e1c7cab0c0a73f24.tar.gz |
initially checkin
Diffstat (limited to 'cipher/gost.h')
-rw-r--r-- | cipher/gost.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/cipher/gost.h b/cipher/gost.h new file mode 100644 index 00000000..d0f4186e --- /dev/null +++ b/cipher/gost.h @@ -0,0 +1,46 @@ +/* gost.h + * Copyright (c) 1997 by Werner Koch (dd9jn) + * + * This file is part of G10. + * + * G10 is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * G10 is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ +#ifndef G10_GOST_H +#define G10_GOST_H + +#include "types.h" + +#define GOST_KEYSIZE 16 +#define GOST_BLOCKSIZE 8 +#define GOST_ROUNDS 8 +#define GOST_KEYLEN (6*GOST_ROUNDS+4) + +typedef struct { + u16 ek[GOST_KEYLEN]; + u16 dk[GOST_KEYLEN]; + byte iv[GOST_BLOCKSIZE]; +} GOST_context; + +void gost_setkey( GOST_context *c, byte *key ); +void gost_setiv( GOST_context *c, byte *iv ); +void gost_encode( GOST_context *c, byte *out, byte *in, unsigned nblocks ); +void gost_decode( GOST_context *c, byte *out, byte *in, unsigned nblocks ); +void gost_encode_cfb( GOST_context *c, byte *outbuf, + byte *inbuf, unsigned nbytes); +void gost_decode_cfb( GOST_context *c, byte *outbuf, + byte *inbuf, unsigned nbytes); + + +#endif /*G10_GOST_H*/ |