1 /* 2 * Copyright 2015 The Chromium OS Authors. All rights reserved. 3 * Use of this source code is governed by a BSD-style license that can be 4 * found in the LICENSE file. 5 */ 6 7 #ifndef __TPM2_CPRIECC_FP_H 8 #define __TPM2_CPRIECC_FP_H 9 10 LIB_EXPORT CRYPT_RESULT _cpri__C_2_2_KeyExchange( 11 TPMS_ECC_POINT *outZ1, // OUT: a computed point 12 TPMS_ECC_POINT *outZ2, // OUT: and optional second point 13 TPM_ECC_CURVE curveId, // IN: the curve for the computations 14 TPM_ALG_ID scheme, // IN: the key exchange scheme 15 TPM2B_ECC_PARAMETER *dsA, // IN: static private TPM key 16 TPM2B_ECC_PARAMETER *deA, // IN: ephemeral private TPM key 17 TPMS_ECC_POINT *QsB, // IN: static public party B key 18 TPMS_ECC_POINT *QeB // IN: ephemeral public party B key 19 ); 20 LIB_EXPORT CRYPT_RESULT _cpri__C_2_2_KeyExchange( 21 TPMS_ECC_POINT *outZ1, // OUT: a computed point 22 TPMS_ECC_POINT *outZ2, // OUT: and optional second point 23 TPM_ECC_CURVE curveId, // IN: the curve for the computations 24 TPM_ALG_ID scheme, // IN: the key exchange scheme 25 TPM2B_ECC_PARAMETER *dsA, // IN: static private TPM key 26 TPM2B_ECC_PARAMETER *deA, // IN: ephemeral private TPM key 27 TPMS_ECC_POINT *QsB, // IN: static public party B key 28 TPMS_ECC_POINT *QeB // IN: ephemeral public party B key 29 ); 30 LIB_EXPORT CRYPT_RESULT _cpri__EccCommitCompute( 31 TPMS_ECC_POINT *K, // OUT: [d]B or [r]Q 32 TPMS_ECC_POINT *L, // OUT: [r]B 33 TPMS_ECC_POINT *E, // OUT: [r]M 34 TPM_ECC_CURVE curveId, // IN: the curve for the computations 35 TPMS_ECC_POINT *M, // IN: M (optional) 36 TPMS_ECC_POINT *B, // IN: B (optional) 37 TPM2B_ECC_PARAMETER *d, // IN: d (required) 38 TPM2B_ECC_PARAMETER *r // IN: the computed r value (required) 39 ); 40 LIB_EXPORT UINT32 _cpri__EccGetCurveCount(void); 41 LIB_EXPORT const ECC_CURVE *_cpri__EccGetParametersByCurveId( 42 TPM_ECC_CURVE curveId // IN: the curveID 43 ); 44 LIB_EXPORT CRYPT_RESULT _cpri__EccPointMultiply( 45 TPMS_ECC_POINT *Rout, // OUT: the product point R 46 TPM_ECC_CURVE curveId, // IN: the curve to use 47 TPM2B_ECC_PARAMETER * 48 dIn, // IN: value to multiply against the curve generator 49 TPMS_ECC_POINT *Qin, // IN: point Q 50 TPM2B_ECC_PARAMETER *uIn // IN: scalar value for the multiplier of Q 51 ); 52 LIB_EXPORT BOOL 53 _cpri__EccIsPointOnCurve(TPM_ECC_CURVE curveId, // IN: the curve selector 54 TPMS_ECC_POINT *Q // IN: the point. 55 ); 56 LIB_EXPORT CRYPT_RESULT _cpri__GenerateKeyEcc( 57 TPMS_ECC_POINT *Qout, // OUT: the public point 58 TPM2B_ECC_PARAMETER *dOut, // OUT: the private scalar 59 TPM_ECC_CURVE curveId, // IN: the curve identifier 60 TPM_ALG_ID 61 hashAlg, // IN: hash algorithm to use in the key generation process 62 TPM2B *seed, // IN: the seed to use 63 const char *label, // IN: A label for the generation process. 64 TPM2B *extra, // IN: Party 1 data for the KDF 65 UINT32 *counter // IN/OUT: Counter value to allow KDF iteration to be 66 // propagated across multiple functions 67 ); 68 LIB_EXPORT TPM_ECC_CURVE _cpri__GetCurveIdByIndex(UINT16 i); 69 LIB_EXPORT CRYPT_RESULT 70 _cpri__GetEphemeralEcc(TPMS_ECC_POINT *Qout, // OUT: the public point 71 TPM2B_ECC_PARAMETER *dOut, // OUT: the private scalar 72 TPM_ECC_CURVE curveId // IN: the curve for the key 73 ); 74 LIB_EXPORT CRYPT_RESULT _cpri__SignEcc( 75 TPM2B_ECC_PARAMETER *rOut, // OUT: r component of the signature 76 TPM2B_ECC_PARAMETER *sOut, // OUT: s component of the signature 77 TPM_ALG_ID scheme, // IN: the scheme selector 78 TPM_ALG_ID hashAlg, // IN: the hash algorithm if need 79 TPM_ECC_CURVE curveId, // IN: the curve used in the signature process 80 TPM2B_ECC_PARAMETER *dIn, // IN: the private key 81 TPM2B *digest, // IN: the digest to sign 82 TPM2B_ECC_PARAMETER *kIn // IN: k for input 83 ); 84 LIB_EXPORT BOOL _cpri__EccStartup(void); 85 LIB_EXPORT CRYPT_RESULT _cpri__ValidateSignatureEcc( 86 TPM2B_ECC_PARAMETER *rIn, // IN: r component of the signature 87 TPM2B_ECC_PARAMETER *sIn, // IN: s component of the signature 88 TPM_ALG_ID scheme, // IN: the scheme selector 89 TPM_ALG_ID 90 hashAlg, // IN: the hash algorithm used (not used in all schemes) 91 TPM_ECC_CURVE curveId, // IN: the curve used in the signature process 92 TPMS_ECC_POINT *Qin, // IN: the public point of the key 93 TPM2B *digest // IN: the digest that was signed 94 ); 95 96 #endif // __TPM2_CPRIECC_FP_H 97
