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| |
| /* |
| // |
| // Purpose: |
| // Cryptography Primitive. |
| // Security Hash Standard |
| // General Functionality |
| // |
| // Contents: |
| // cpInitHash() |
| // |
| */ |
| |
| #include "owndefs.h" |
| #include "owncp.h" |
| #include "pcphash.h" |
| #include "pcphash_func.h" |
| #include "pcptool.h" |
| |
| int cpInitHash(IppsHashState* pCtx, IppHashAlgId algID) |
| { |
| /* setup default processing function */ |
| HASH_FUNC(pCtx) = cpHashProcFunc[algID]; |
| |
| /* update default processing function if SHA-NI enabled */ |
| #if (_IPP>=_IPP_P8) || (_IPP32E>=_IPP32E_Y8) |
| if( IsFeatureEnabled(ippCPUID_SHA) ) { |
| |
| #if defined(_ENABLE_ALG_SHA1_) |
| if(ippHashAlg_SHA1==algID) |
| HASH_FUNC(pCtx) = UpdateSHA1ni; |
| #endif |
| |
| #if defined(_ENABLE_ALG_SHA256_) || defined(_ENABLE_ALG_SHA224_) |
| if(ippHashAlg_SHA256==algID || ippHashAlg_SHA224==algID) |
| HASH_FUNC(pCtx) = UpdateSHA256ni; |
| #endif |
| } |
| #endif |
| |
| /* setup optional agr of processing function */ |
| HASH_FUNC_PAR(pCtx) = cpHashProcFuncOpt[algID]; |
| |
| return cpReInitHash(pCtx, algID); |
| } |
