| /*############################################################################ |
| # Copyright 1999-2018 Intel Corporation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # 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. |
| ############################################################################*/ |
| |
| /* |
| // |
| // Purpose: |
| // Cryptography Primitive. |
| // Internal Definitions and |
| // Internal Pseudo Random Generator Function Prototypes |
| // |
| */ |
| |
| #if !defined(_CP_PRNG_H) |
| #define _CP_PRNG_H |
| |
| /* |
| // Pseudo-random generation context |
| */ |
| |
| #define MAX_XKEY_SIZE 512 |
| #define DEFAULT_XKEY_SIZE 512 /* must be >=160 || <=512 */ |
| |
| struct _cpPRNG { |
| IppCtxId idCtx; /* PRNG identifier */ |
| cpSize seedBits; /* secret seed-key bitsize */ |
| BNU_CHUNK_T Q[BITS_BNU_CHUNK(160)]; /* modulus */ |
| BNU_CHUNK_T T[BITS_BNU_CHUNK(160)]; /* parameter of SHA_G() funct */ |
| BNU_CHUNK_T xAug[BITS_BNU_CHUNK(MAX_XKEY_SIZE)]; /* optional entropy augment */ |
| BNU_CHUNK_T xKey[BITS_BNU_CHUNK(MAX_XKEY_SIZE)]; /* secret seed-key */ |
| }; |
| |
| /* alignment */ |
| #define PRNG_ALIGNMENT ((int)(sizeof(void*))) |
| |
| #define RAND_ID(ctx) ((ctx)->idCtx) |
| #define RAND_SEEDBITS(ctx) ((ctx)->seedBits) |
| #define RAND_Q(ctx) ((ctx)->Q) |
| #define RAND_T(ctx) ((ctx)->T) |
| #define RAND_XAUGMENT(ctx) ((ctx)->xAug) |
| #define RAND_XKEY(ctx) ((ctx)->xKey) |
| |
| #define RAND_VALID_ID(ctx) (RAND_ID((ctx))==idCtxPRNG) |
| |
| #define cpPRNGen OWNAPI(cpPRNGen) |
| int cpPRNGen(Ipp32u* pBuffer, cpSize bitLen, IppsPRNGState* pCtx); |
| |
| #define cpPRNGenPattern OWNAPI(cpPRNGenPattern) |
| int cpPRNGenPattern(BNU_CHUNK_T* pRand, int bitSize, |
| BNU_CHUNK_T botPattern, BNU_CHUNK_T topPattern, |
| IppBitSupplier rndFunc, void* pRndParam); |
| |
| #define cpPRNGenRange OWNAPI(cpPRNGenRange) |
| int cpPRNGenRange(BNU_CHUNK_T* pRand, |
| const BNU_CHUNK_T* pLo, cpSize loLen, |
| const BNU_CHUNK_T* pHi, cpSize hiLen, |
| IppBitSupplier rndFunc, void* pRndParam); |
| |
| #endif /* _CP_PRNG_H */ |