Counter Mode KDF Mechanisms

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Counter Mode KDF Mechanisms

The SafeNet HSMs support the following two vendor defined mechanisms. They can be used to perform Counter Mode KDF using various CMAC algorithms (DES3, AES, ARIA, SEED) as the PRF. (See SP 800-108.) These mechanisms are available in firmware 6.2.1 and later.

#define CKM_NIST_PRF_KDF                       (CKM_VENDOR_DEFINED + 0xA02)
#define CKM_PRF_KDF                            (CKM_VENDOR_DEFINED + 0xA03)

/* Parameter and values used with CKM_PRF_KDF and * CKM_NIST_PRF_KDF. */

typedef CK_ULONG CK_KDF_PRF_TYPE;
typedef CK_ULONG CK_KDF_PRF_ENCODING_SCHEME;

/** PRF KDF schemes */
#define CK_NIST_PRF_KDF_DES3_CMAC      0x00000001
#define CK_NIST_PRF_KDF_AES_CMAC       0x00000002
#define CK_PRF_KDF_ARIA_CMAC           0x00000003
#define CK_PRF_KDF_SEED_CMAC           0x00000004

#define LUNA_PRF_KDF_ENCODING_SCHEME_1     0x00000000
#define LUNA_PRF_KDF_ENCODING_SCHEME_2     0x00000001

typedef struct CK_KDF_PRF_PARAMS {
   CK_KDF_PRF_TYPE            prfType;
   CK_BYTE_PTR                pLabel;
   CK_ULONG                   ulLabelLen;
   CK_BYTE_PTR                pContext;
   CK_ULONG                   ulContextLen;
   CK_ULONG                   ulCounter;
   CK_KDF_PRF_ENCODING_SCHEME ulEncodingScheme;
} CK_PRF_KDF_PARAMS;

typedef CK_PRF_KDF_PARAMS CK_PTR CK_KDF_PRF_PARAMS_PTR;