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Diffstat (limited to 'wsutil/sober128.h')
| -rw-r--r-- | wsutil/sober128.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/wsutil/sober128.h b/wsutil/sober128.h new file mode 100644 index 00000000..0238f0ef --- /dev/null +++ b/wsutil/sober128.h @@ -0,0 +1,48 @@ +/** @file + This file is derived from sober128 implementation in corosync + cluster engine. corosync cluster engine borrows the implementation + from LibTomCrypt. + + The latest version of the original code can be found at + http://www.libtom.net/LibTomCrypt/ according to which this code is in the + Public Domain +*/ + +/* About LibTomCrypt: + * --------------------------------------------------------------------- + * LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@iahu.ca, http://www.libtom.net/LibTomCrypt/ + */ + +#ifndef _SOBER127_H +#define _SOBER127_H + +#include "ws_symbol_export.h" + +typedef struct _sober128_prng { + unsigned long R[17], /* Working storage for the shift register */ + initR[17], /* saved register contents */ + konst, /* key dependent constant */ + sbuf; /* partial word encryption buffer */ + + int nbuf, /* number of part-word stream bits buffered */ + flag, /* first add_entropy call or not? */ + set; /* did we call add_entropy to set key? */ + +} sober128_prng; + +WS_DLL_PUBLIC +int sober128_start(sober128_prng *prng); +WS_DLL_PUBLIC +int sober128_add_entropy(const unsigned char *buf, unsigned long len, sober128_prng *prng); +WS_DLL_PUBLIC +unsigned long sober128_read(unsigned char *buf, unsigned long len, sober128_prng *prng); + +#endif /* sober128.h */ |