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Diffstat (limited to 'cipher/blowfish.h')
| -rw-r--r-- | cipher/blowfish.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/cipher/blowfish.h b/cipher/blowfish.h new file mode 100644 index 000000000..3b01f5263 --- /dev/null +++ b/cipher/blowfish.h @@ -0,0 +1,51 @@ +/* blowfish.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_BLOWFISH_H +#define G10_BLOWFISH_H + +#include "types.h" + +#define BLOWFISH_BLOCKSIZE 8 +#define BLOWFISH_ROUNDS 16 + +typedef struct { + u32 s0[256]; + u32 s1[256]; + u32 s2[256]; + u32 s3[256]; + u32 p[BLOWFISH_ROUNDS+2]; + byte iv[BLOWFISH_BLOCKSIZE]; + byte eniv[BLOWFISH_BLOCKSIZE]; + int count; +} BLOWFISH_context; + +void blowfish_setkey( BLOWFISH_context *c, byte *key, unsigned keylen ); +void blowfish_setiv( BLOWFISH_context *c, byte *iv ); +void blowfish_encode( BLOWFISH_context *c, byte *outbuf, byte *inbuf, + unsigned nblocks ); +void blowfish_decode( BLOWFISH_context *c, byte *outbuf, byte *inbuf, + unsigned nblocks ); +void blowfish_encode_cfb( BLOWFISH_context *c, byte *outbuf, + byte *inbuf, unsigned nbytes); +void blowfish_decode_cfb( BLOWFISH_context *c, byte *outbuf, + byte *inbuf, unsigned nbytes); + + +#endif /*G10_BLOWFISH_H*/ |