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| #ifndef _SSI_UTIL_KEY_DERIVATION_DEFS_H |
| #define _SSI_UTIL_KEY_DERIVATION_DEFS_H |
| |
| /*! |
| @file |
| @brief This file contains the definitions for the key derivation API. |
| @defgroup ssi_utils_key_defs CryptoCell utils general key definitions |
| @{ |
| @ingroup ssi_utils |
| |
| */ |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| /****************************************************************************** |
| * DEFINITIONS |
| ******************************************************************************/ |
| |
| /*! Maximal label length in bytes. */ |
| #define SASI_UTIL_MAX_LABEL_LENGTH_IN_BYTES 64 |
| /*! Maximal context length in bytes. */ |
| #define SASI_UTIL_MAX_CONTEXT_LENGTH_IN_BYTES 64 |
| |
| /*! Minimal fixed data size in bytes. */ |
| #define SASI_UTIL_FIX_DATA_MIN_SIZE_IN_BYTES 3 /*!< \internal counter, 0x00, lengt(-0xff) */ |
| /*! Maximal fixed data size in bytes. */ |
| #define SASI_UTIL_FIX_DATA_MAX_SIZE_IN_BYTES 4 /*!< \internal counter, 0x00, lengt(0x100-0xff0) */ |
| |
| /*! Maximal derived key material size in bytes. */ |
| #define SASI_UTIL_MAX_KDF_SIZE_IN_BYTES (SASI_UTIL_MAX_LABEL_LENGTH_IN_BYTES+ \ |
| SASI_UTIL_MAX_CONTEXT_LENGTH_IN_BYTES+SASI_UTIL_FIX_DATA_MAX_SIZE_IN_BYTES) |
| |
| /*! Maximal derived key size in bytes. */ |
| #define SASI_UTIL_MAX_DERIVED_KEY_SIZE_IN_BYTES 4080 |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| /** |
| @} |
| */ |
| #endif /*_SSI_UTIL_KEY_DERIVATION_DEFS_H*/ |
| |