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- /*
- * Copyright (C) 2016 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #include "owndefs.h"
- #include "owncp.h"
- #include "pcpbn.h"
- /*F*
- // Name: ippsSetOctString_BN
- //
- // Purpose: Convert octet string into the BN value.
- //
- // Returns: Reason:
- // ippStsNullPtrErr NULL == pOctStr
- // NULL == pBN
- //
- // ippStsLengthErr 0>strLen
- //
- // ippStsSizeErr BN_ROOM() is enough for keep actual strLen
- //
- // ippStsNoErr no errors
- //
- // Parameters:
- // pOctStr pointer to the source octet string
- // strLen octet string length
- // pBN pointer to the target BN
- //
- *F*/
- IPPFUN(IppStatus, ippsSetOctString_BN,(const Ipp8u* pOctStr, cpSize strLen,
- IppsBigNumState* pBN))
- {
- IPP_BAD_PTR2_RET(pOctStr, pBN);
- pBN = (IppsBigNumState*)( IPP_ALIGNED_PTR(pBN, BN_ALIGNMENT) );
- IPP_BADARG_RET(!BN_VALID_ID(pBN), ippStsContextMatchErr);
- IPP_BADARG_RET((0>strLen), ippStsLengthErr);
- /* remove leading zeros */
- while(strLen && (0==pOctStr[0])) {
- strLen--;
- pOctStr++;
- }
- /* test BN size */
- IPP_BADARG_RET((int)(sizeof(BNU_CHUNK_T)*BN_ROOM(pBN))<strLen, ippStsSizeErr);
- if(strLen)
- BN_SIZE(pBN) = cpFromOctStr_BNU(BN_NUMBER(pBN), pOctStr, strLen);
- else {
- BN_NUMBER(pBN)[0] = (BNU_CHUNK_T)0;
- BN_SIZE(pBN) = 1;
- }
- BN_SIGN(pBN) = ippBigNumPOS;
- return ippStsNoErr;
- }
- /*F*
- // Name: ippsGetOctString_BN
- //
- // Purpose: Convert BN value into the octet string.
- //
- // Returns: Reason:
- // ippStsNullPtrErr NULL == pOctStr
- // NULL == pBN
- //
- // ippStsRangeErr BN <0
- //
- // ippStsLengthErr strLen is enough for keep BN value
- //
- // ippStsNoErr no errors
- //
- // Parameters:
- // pBN pointer to the source BN
- // pOctStr pointer to the target octet string
- // strLen octet string length
- *F*/
- IPPFUN(IppStatus, ippsGetOctString_BN,(Ipp8u* pOctStr, cpSize strLen,
- const IppsBigNumState* pBN))
- {
- IPP_BAD_PTR2_RET(pOctStr, pBN);
- pBN = (IppsBigNumState*)( IPP_ALIGNED_PTR(pBN, BN_ALIGNMENT) );
- IPP_BADARG_RET(!BN_VALID_ID(pBN), ippStsContextMatchErr);
- IPP_BADARG_RET(BN_NEGATIVE(pBN), ippStsRangeErr);
- IPP_BADARG_RET((0>strLen), ippStsLengthErr);
- return cpToOctStr_BNU(pOctStr,strLen, BN_NUMBER(pBN),BN_SIZE(pBN))? ippStsNoErr : ippStsLengthErr;
- }
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