1 // This file was extracted from the TCG Published 2 // Trusted Platform Module Library 3 // Part 4: Supporting Routines 4 // Family "2.0" 5 // Level 00 Revision 01.16 6 // October 30, 2014 7 8 #ifndef _CRYPTDATAECC_H_ 9 #define _CRYPTDATAECC_H_ 10 // 11 // Structure for the curve parameters. This is an analog to the TPMS_ALGORITHM_DETAIL_ECC 12 // 13 typedef struct { 14 const TPM2B *p; // a prime number 15 const TPM2B *a; // linear coefficient 16 const TPM2B *b; // constant term 17 const TPM2B *x; // generator x coordinate 18 const TPM2B *y; // generator y coordinate 19 const TPM2B *n; // the order of the curve 20 const TPM2B *h; // cofactor 21 } ECC_CURVE_DATA; 22 typedef struct 23 { 24 TPM_ECC_CURVE curveId; 25 UINT16 keySizeBits; 26 TPMT_KDF_SCHEME kdf; 27 TPMT_ECC_SCHEME sign; 28 const ECC_CURVE_DATA *curveData; // the address of the curve data 29 } ECC_CURVE; 30 extern const ECC_CURVE_DATA SM2_P256; 31 extern const ECC_CURVE_DATA NIST_P256; 32 extern const ECC_CURVE_DATA BN_P256; 33 extern const ECC_CURVE eccCurves[]; 34 extern const UINT16 ECC_CURVE_COUNT; 35 #endif 36
