7cd468a3d7
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion <damarion@cisco.com>
82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/*
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* Copyright (c) 2015 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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------------------------------------------------------------------------------
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By Bob Jenkins, 1996, Public Domain
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MODIFIED:
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960327: Creation (addition of randinit, really)
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970719: use context, not global variables, for internal state
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980324: renamed seed to flag
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980605: recommend ISAAC_LOG2_SIZE=4 for noncryptography.
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010626: note this is public domain
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------------------------------------------------------------------------------
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Modified for CLIB by Eliot Dresselhaus.
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Dear Bob, Thanks for all the great work. - Eliot
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modifications copyright (c) 2003 Eliot Dresselhaus
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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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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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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
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef included_random_isaac_h
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#define included_random_isaac_h
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#include <vppinfra/clib.h> /* for u32/u64 */
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#include <vppinfra/format.h> /* for unformat_input_t */
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/* Bob recommends 8 for crypto, 4 for simulations */
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#define ISAAC_LOG2_SIZE (4)
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#define ISAAC_SIZE (1 << ISAAC_LOG2_SIZE)
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typedef struct
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{
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uword memory[ISAAC_SIZE];
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uword a, b, c;
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} isaac_t;
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void isaac (isaac_t * ctx, uword * results);
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void isaac2 (isaac_t * ctx, uword * results);
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void isaac_init (isaac_t * ctx, uword * results);
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int test_isaac_main (unformat_input_t * input);
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#endif /* included_random_isaac_h */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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