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| |
| /* |
| // |
| // Purpose: |
| // Cryptography Primitive. |
| // Hash Message Authentication Code |
| // Internal Definitions and Internal Functions Prototypes |
| // |
| // |
| */ |
| |
| #if !defined(_PCP_HMAC_H) |
| #define _PCP_HMAC_H |
| |
| #include "pcphash.h" |
| |
| /* |
| // HMAC context |
| */ |
| struct _cpHMAC { |
| IppCtxId idCtx; /* HMAC identifier */ |
| Ipp8u ipadKey[MBS_HASH_MAX]; /* inner padding key */ |
| Ipp8u opadKey[MBS_HASH_MAX]; /* outer padding key */ |
| IppsHashState hashCtx; /* hash context */ |
| }; |
| |
| /* accessors */ |
| #define HMAC_CTX_ID(stt) ((stt)->idCtx) |
| #define HASH_CTX(stt) ((stt)->hashCtx) |
| #define HMAC_VALID_ID(stt) (HMAC_CTX_ID((stt))==idCtxHMAC) |
| |
| #define IPAD (0x36) /* inner padding value */ |
| #define OPAD (0x5C) /* outer padding value */ |
| |
| #endif /* _PCP_HMAC_H */ |