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47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
#ifndef _SKEIN_H_
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#define _SKEIN_H_ 1
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/**************************************************************************
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**
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** Interface declarations and internal definitions for Skein hashing.
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**
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** Source code author: Doug Whiting, 2008.
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**
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** This algorithm and source code is released to the public domain.
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**
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***************************************************************************
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**
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** The following compile-time switches may be defined to control some
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** tradeoffs between speed, code size, error checking, and security.
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**
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** The "default" note explains what happens when the switch is not defined.
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**
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** SKEIN_DEBUG -- make callouts from inside Skein code
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** to examine/display intermediate values.
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** [default: no callouts (no overhead)]
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**
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** SKEIN_ERR_CHECK -- how error checking is handled inside Skein
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** code. If not defined, most error checking
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** is disabled (for performance). Otherwise,
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** the switch value is interpreted as:
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** 0: use assert() to flag errors
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** 1: return SKEIN_FAIL to flag errors
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**
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***************************************************************************/
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#include "skein_port.h" /* get platform-specific definitions */
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typedef enum
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{
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SKEIN_SUCCESS = 0, /* return codes from Skein calls */
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SKEIN_FAIL = 1,
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SKEIN_BAD_HASHLEN = 2
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}
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HashReturn;
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typedef size_t DataLength; /* bit count type */
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typedef u08b_t BitSequence; /* bit stream type */
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/* "all-in-one" call */
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HashReturn skein_hash(int hashbitlen, const BitSequence *data,
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DataLength databitlen, BitSequence *hashval);
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#endif /* ifndef _SKEIN_H_ */
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