110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
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/* Copyright 2015 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#define TPM_FAIL_C
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#include "Global.h"
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#include "CryptoEngine.h"
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CRYPT_RESULT _cpri__C_2_2_KeyExchange(
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TPMS_ECC_POINT * outZ1, // OUT: a computed point
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TPMS_ECC_POINT * outZ2, // OUT: and optional second point
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TPM_ECC_CURVE curveId, // IN: the curve for the computations
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TPM_ALG_ID scheme, // IN: the key exchange scheme
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TPM2B_ECC_PARAMETER * dsA, // IN: static private TPM key
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TPM2B_ECC_PARAMETER * deA, // IN: ephemeral private TPM key
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TPMS_ECC_POINT * QsB, // IN: static public party B key
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TPMS_ECC_POINT * QeB // IN: ephemeral public party B key
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)
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{
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ecprintf("%s called\n", __func__);
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return CRYPT_FAIL;
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}
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CRYPT_RESULT _cpri__DrbgGetPutState(
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GET_PUT direction,
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int bufferSize,
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BYTE * buffer)
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{
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/* This unction is not implemented in the TPM2 library either. */
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return CRYPT_SUCCESS;
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}
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CRYPT_RESULT _cpri__EccCommitCompute(
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TPMS_ECC_POINT * K, // OUT: [d]B or [r]Q
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TPMS_ECC_POINT * L, // OUT: [r]B
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TPMS_ECC_POINT * E, // OUT: [r]M
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TPM_ECC_CURVE curveId, // IN: the curve for the computations
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TPMS_ECC_POINT * M, // IN: M (optional)
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TPMS_ECC_POINT * B, // IN: B (optional)
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TPM2B_ECC_PARAMETER * d, // IN: d (required)
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TPM2B_ECC_PARAMETER * r // IN: the computed r value (required)
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)
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{
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ecprintf("%s called\n", __func__);
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return CRYPT_FAIL;
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}
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BOOL _cpri__Startup(
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void)
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{
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/*
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* Below is the list of functions called by the TPM2 library from
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* _cpri__Startup().
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*
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* _cpri__HashStartup() - not doing anything for now, maybe hw
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* reinitialization is required?
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* _cpri__RsaStartup() - not sure what needs to be done in HW
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* _cpri__EccStartup() - not sure what needs to be done in HW
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* _cpri__SymStartup() - this function is emtpy in the TPM2 library
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* implementation.
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*/
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return 1;
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}
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CRYPT_RESULT _math__Div(
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const TPM2B * n, // IN: numerator
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const TPM2B * d, // IN: denominator
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TPM2B * q, // OUT: quotient
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TPM2B * r // OUT: remainder
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)
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{
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ecprintf("%s called\n", __func__);
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return CRYPT_FAIL;
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}
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void __assert_func(
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const char *file,
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int line,
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const char *func,
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const char *condition
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)
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{
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/*
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* TPM2 library invokes assert from a common wrapper, which first sets
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* global variables describing the failure point and then invokes the
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* assert() macro which ends up calling this function as defined by the gcc
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* toolchain.
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*
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* For some weird reason (or maybe this is a bug), s_FailFunction is defined
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* in the tpm2 library as a 32 bit int, but on a failure the name of the
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* failing function (its first four bytes) are copiied into this variable.
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*
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* TODO(vbendeb): investigate and fix TPM2 library assert handling.
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*/
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ecprintf("Failure in %s, func %s, line %d:\n%s\n",
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file,
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s_failFunction ? (const char *)&s_failFunction : func,
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s_failLine ? s_failLine : line,
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condition);
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while (1)
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; /* Let the watchdog doo the rest. */
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}
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CRYPT_RESULT _cpri__InitCryptoUnits(
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FAIL_FUNCTION failFunction)
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{
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return CRYPT_SUCCESS;
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}
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