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Diffstat (limited to 'ext/ipp/sources/ippcp/pcpmont_getsize.c')
-rw-r--r-- | ext/ipp/sources/ippcp/pcpmont_getsize.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/pcpmont_getsize.c b/ext/ipp/sources/ippcp/pcpmont_getsize.c new file mode 100644 index 0000000..3fc248f --- /dev/null +++ b/ext/ipp/sources/ippcp/pcpmont_getsize.c @@ -0,0 +1,85 @@ +/******************************************************************************* +* Copyright 2002-2018 Intel Corporation +* All Rights Reserved. +* +* If this software was obtained under the Intel Simplified Software License, +* the following terms apply: +* +* The source code, information and material ("Material") contained herein is +* owned by Intel Corporation or its suppliers or licensors, and title to such +* Material remains with Intel Corporation or its suppliers or licensors. The +* Material contains proprietary information of Intel or its suppliers and +* licensors. The Material is protected by worldwide copyright laws and treaty +* provisions. No part of the Material may be used, copied, reproduced, +* modified, published, uploaded, posted, transmitted, distributed or disclosed +* in any way without Intel's prior express written permission. No license under +* any patent, copyright or other intellectual property rights in the Material +* is granted to or conferred upon you, either expressly, by implication, +* inducement, estoppel or otherwise. Any license under such intellectual +* property rights must be express and approved by Intel in writing. +* +* Unless otherwise agreed by Intel in writing, you may not remove or alter this +* notice or any other notice embedded in Materials by Intel or Intel's +* suppliers or licensors in any way. +* +* +* If this software was obtained under the Apache License, Version 2.0 (the +* "License"), the following terms apply: +* +* You may not use this file except in compliance with the License. You may +* obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 +* +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* +* See the License for the specific language governing permissions and +* limitations under the License. +*******************************************************************************/ + +/* +// Intel(R) Integrated Performance Primitives +// Cryptographic Primitives (ippcp) +// +// Contents: +// cpMontGetSize() +// +*/ + +#include "owndefs.h" +#include "owncp.h" +#include "pcpbn.h" +#include "pcpmontgomery.h" + +#include "pcptool.h" + +/*F* +// Name: cpMontGetSize +// +// Purpose: Specifies size of buffer in bytes. +// +// Returns: Reason: +// ippStsNoErr no errors +// +// Parameters: +// poolLength length of pool +// maxLen32 max modulus length (in Ipp32u chunks) +// pCtxSize pointer to size of context +// +*F*/ + +IppStatus cpMontGetSize(cpSize maxLen32, int poolLength, cpSize* pCtxSize) +{ + { + int size = 0; + int maxBitSize = maxLen32 << 5; + gsModEngineGetSize(maxBitSize, poolLength, &size); + + *pCtxSize = sizeof(IppsMontState) + + (cpSize)size + + MONT_ALIGNMENT-1; + + return ippStsNoErr; + } +} |