GhostRider algorithm (Raptoreum) support
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SChernykh
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67 changed files with 72022 additions and 177 deletions
298
src/crypto/ghostrider/sph_jh.h
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298
src/crypto/ghostrider/sph_jh.h
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/* $Id: sph_jh.h 216 2010-06-08 09:46:57Z tp $ */
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/**
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* JH interface. JH is a family of functions which differ by
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* their output size; this implementation defines JH for output
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* sizes 224, 256, 384 and 512 bits.
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*
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* ==========================(LICENSE BEGIN)============================
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*
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* Copyright (c) 2007-2010 Projet RNRT SAPHIR
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* ===========================(LICENSE END)=============================
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*
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* @file sph_jh.h
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* @author Thomas Pornin <thomas.pornin@cryptolog.com>
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*/
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#ifndef SPH_JH_H__
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#define SPH_JH_H__
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#ifdef __cplusplus
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extern "C"{
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#endif
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#include <stddef.h>
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#include "sph_types.h"
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/**
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* Output size (in bits) for JH-224.
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*/
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#define SPH_SIZE_jh224 224
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/**
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* Output size (in bits) for JH-256.
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*/
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#define SPH_SIZE_jh256 256
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/**
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* Output size (in bits) for JH-384.
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*/
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#define SPH_SIZE_jh384 384
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/**
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* Output size (in bits) for JH-512.
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*/
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#define SPH_SIZE_jh512 512
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/**
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* This structure is a context for JH computations: it contains the
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* intermediate values and some data from the last entered block. Once
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* a JH computation has been performed, the context can be reused for
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* another computation.
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*
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* The contents of this structure are private. A running JH computation
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* can be cloned by copying the context (e.g. with a simple
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* <code>memcpy()</code>).
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*/
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typedef struct {
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#ifndef DOXYGEN_IGNORE
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unsigned char buf[64]; /* first field, for alignment */
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size_t ptr;
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union {
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#if SPH_64
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sph_u64 wide[16];
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#endif
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sph_u32 narrow[32];
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} H;
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#if SPH_64
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sph_u64 block_count;
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#else
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sph_u32 block_count_high, block_count_low;
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#endif
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#endif
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} sph_jh_context;
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/**
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* Type for a JH-224 context (identical to the common context).
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*/
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typedef sph_jh_context sph_jh224_context;
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/**
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* Type for a JH-256 context (identical to the common context).
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*/
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typedef sph_jh_context sph_jh256_context;
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/**
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* Type for a JH-384 context (identical to the common context).
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*/
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typedef sph_jh_context sph_jh384_context;
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/**
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* Type for a JH-512 context (identical to the common context).
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*/
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typedef sph_jh_context sph_jh512_context;
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/**
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* Initialize a JH-224 context. This process performs no memory allocation.
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*
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* @param cc the JH-224 context (pointer to a
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* <code>sph_jh224_context</code>)
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*/
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void sph_jh224_init(void *cc);
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/**
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* Process some data bytes. It is acceptable that <code>len</code> is zero
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* (in which case this function does nothing).
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*
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* @param cc the JH-224 context
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* @param data the input data
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* @param len the input data length (in bytes)
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*/
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void sph_jh224(void *cc, const void *data, size_t len);
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/**
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* Terminate the current JH-224 computation and output the result into
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* the provided buffer. The destination buffer must be wide enough to
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* accomodate the result (28 bytes). The context is automatically
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* reinitialized.
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*
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* @param cc the JH-224 context
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* @param dst the destination buffer
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*/
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void sph_jh224_close(void *cc, void *dst);
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/**
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* Add a few additional bits (0 to 7) to the current computation, then
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* terminate it and output the result in the provided buffer, which must
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* be wide enough to accomodate the result (28 bytes). If bit number i
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* in <code>ub</code> has value 2^i, then the extra bits are those
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* numbered 7 downto 8-n (this is the big-endian convention at the byte
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* level). The context is automatically reinitialized.
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*
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* @param cc the JH-224 context
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* @param ub the extra bits
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* @param n the number of extra bits (0 to 7)
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* @param dst the destination buffer
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*/
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void sph_jh224_addbits_and_close(
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void *cc, unsigned ub, unsigned n, void *dst);
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/**
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* Initialize a JH-256 context. This process performs no memory allocation.
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*
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* @param cc the JH-256 context (pointer to a
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* <code>sph_jh256_context</code>)
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*/
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void sph_jh256_init(void *cc);
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/**
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* Process some data bytes. It is acceptable that <code>len</code> is zero
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* (in which case this function does nothing).
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*
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* @param cc the JH-256 context
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* @param data the input data
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* @param len the input data length (in bytes)
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*/
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void sph_jh256(void *cc, const void *data, size_t len);
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/**
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* Terminate the current JH-256 computation and output the result into
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* the provided buffer. The destination buffer must be wide enough to
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* accomodate the result (32 bytes). The context is automatically
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* reinitialized.
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*
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* @param cc the JH-256 context
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* @param dst the destination buffer
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*/
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void sph_jh256_close(void *cc, void *dst);
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/**
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* Add a few additional bits (0 to 7) to the current computation, then
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* terminate it and output the result in the provided buffer, which must
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* be wide enough to accomodate the result (32 bytes). If bit number i
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* in <code>ub</code> has value 2^i, then the extra bits are those
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* numbered 7 downto 8-n (this is the big-endian convention at the byte
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* level). The context is automatically reinitialized.
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*
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* @param cc the JH-256 context
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* @param ub the extra bits
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* @param n the number of extra bits (0 to 7)
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* @param dst the destination buffer
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*/
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void sph_jh256_addbits_and_close(
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void *cc, unsigned ub, unsigned n, void *dst);
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/**
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* Initialize a JH-384 context. This process performs no memory allocation.
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*
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* @param cc the JH-384 context (pointer to a
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* <code>sph_jh384_context</code>)
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*/
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void sph_jh384_init(void *cc);
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/**
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* Process some data bytes. It is acceptable that <code>len</code> is zero
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* (in which case this function does nothing).
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*
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* @param cc the JH-384 context
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* @param data the input data
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* @param len the input data length (in bytes)
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*/
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void sph_jh384(void *cc, const void *data, size_t len);
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/**
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* Terminate the current JH-384 computation and output the result into
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* the provided buffer. The destination buffer must be wide enough to
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* accomodate the result (48 bytes). The context is automatically
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* reinitialized.
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*
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* @param cc the JH-384 context
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* @param dst the destination buffer
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*/
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void sph_jh384_close(void *cc, void *dst);
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/**
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* Add a few additional bits (0 to 7) to the current computation, then
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* terminate it and output the result in the provided buffer, which must
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* be wide enough to accomodate the result (48 bytes). If bit number i
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* in <code>ub</code> has value 2^i, then the extra bits are those
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* numbered 7 downto 8-n (this is the big-endian convention at the byte
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* level). The context is automatically reinitialized.
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*
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* @param cc the JH-384 context
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* @param ub the extra bits
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* @param n the number of extra bits (0 to 7)
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* @param dst the destination buffer
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*/
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void sph_jh384_addbits_and_close(
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void *cc, unsigned ub, unsigned n, void *dst);
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/**
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* Initialize a JH-512 context. This process performs no memory allocation.
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*
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* @param cc the JH-512 context (pointer to a
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* <code>sph_jh512_context</code>)
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*/
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void sph_jh512_init(void *cc);
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/**
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* Process some data bytes. It is acceptable that <code>len</code> is zero
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* (in which case this function does nothing).
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*
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* @param cc the JH-512 context
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* @param data the input data
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* @param len the input data length (in bytes)
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*/
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void sph_jh512(void *cc, const void *data, size_t len);
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/**
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* Terminate the current JH-512 computation and output the result into
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* the provided buffer. The destination buffer must be wide enough to
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* accomodate the result (64 bytes). The context is automatically
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* reinitialized.
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*
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* @param cc the JH-512 context
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* @param dst the destination buffer
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*/
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void sph_jh512_close(void *cc, void *dst);
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/**
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* Add a few additional bits (0 to 7) to the current computation, then
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* terminate it and output the result in the provided buffer, which must
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* be wide enough to accomodate the result (64 bytes). If bit number i
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* in <code>ub</code> has value 2^i, then the extra bits are those
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* numbered 7 downto 8-n (this is the big-endian convention at the byte
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* level). The context is automatically reinitialized.
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*
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* @param cc the JH-512 context
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* @param ub the extra bits
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* @param n the number of extra bits (0 to 7)
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* @param dst the destination buffer
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*/
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void sph_jh512_addbits_and_close(
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void *cc, unsigned ub, unsigned n, void *dst);
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#ifdef __cplusplus
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}
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#endif
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#endif
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