/* * Licensed Materials - Property of IBM * * trousers - An open source TCG Software Stack * * (C) Copyright International Business Machines Corp. 2007 * */ #include #include #include #include #include "trousers/tss.h" #include "trousers/trousers.h" #include "trousers_types.h" #include "spi_utils.h" #include "capabilities.h" #include "tsplog.h" #include "obj.h" #ifdef TSS_BUILD_TRANSPORT TSS_RESULT Transport_Quote2(TSS_HCONTEXT tspContext, /* in */ TCS_KEY_HANDLE keyHandle, /* in */ TCPA_NONCE *antiReplay, /* in */ UINT32 pcrDataSizeIn, /* in */ BYTE * pcrDataIn, /* in */ TSS_BOOL addVersion, /* in */ TPM_AUTH * privAuth, /* in,out */ UINT32 * pcrDataSizeOut, /* out */ BYTE ** pcrDataOut, /* out */ UINT32 * versionInfoSize, /* out */ BYTE ** versionInfo, /* out */ UINT32 * sigSize, /* out */ BYTE ** sig) /* out */ { TSS_RESULT result; UINT32 handlesLen, dataLen, decLen; TCS_HANDLE *handles, handle; BYTE *dec = NULL; TPM_DIGEST pubKeyHash; Trspi_HashCtx hashCtx; UINT64 offset; BYTE *data; if ((result = obj_context_transport_init(tspContext))) return result; LogDebugFn("Executing in a transport session"); if ((result = obj_tcskey_get_pubkeyhash(keyHandle, pubKeyHash.digest))) return result; result = Trspi_HashInit(&hashCtx, TSS_HASH_SHA1); result |= Trspi_Hash_DIGEST(&hashCtx, pubKeyHash.digest); if ((result |= Trspi_HashFinal(&hashCtx, pubKeyHash.digest))) return result; handlesLen = 1; handle = keyHandle; handles = &handle; dataLen = sizeof(TCPA_NONCE) + pcrDataSizeIn + sizeof(TSS_BOOL); if ((data = malloc(dataLen)) == NULL) { LogError("malloc of %u bytes failed", dataLen); return TSPERR(TSS_E_OUTOFMEMORY); } offset = 0; Trspi_LoadBlob_NONCE(&offset, data, antiReplay); Trspi_LoadBlob(&offset, pcrDataSizeIn, data, pcrDataIn); Trspi_LoadBlob_BOOL(&offset, addVersion, data); if ((result = obj_context_transport_execute(tspContext, TPM_ORD_Quote2, dataLen, data, &pubKeyHash, &handlesLen, &handles, privAuth, NULL, &decLen, &dec))) { free(data); return result; } free(data); offset = 0; Trspi_UnloadBlob_PCR_INFO_SHORT(&offset, dec, NULL); *pcrDataSizeOut = offset; if ((*pcrDataOut = malloc(*pcrDataSizeOut)) == NULL) { free(dec); LogError("malloc of %u bytes failed", *pcrDataSizeOut); *pcrDataSizeOut = 0; return TSPERR(TSS_E_OUTOFMEMORY); } offset = 0; Trspi_UnloadBlob(&offset, *pcrDataSizeOut, dec, *pcrDataOut); Trspi_UnloadBlob_UINT32(&offset, versionInfoSize, dec); if ((*versionInfo = malloc(*versionInfoSize)) == NULL) { free(*pcrDataOut); *pcrDataOut = NULL; *pcrDataSizeOut = 0; free(dec); LogError("malloc of %u bytes failed", *versionInfoSize); *versionInfoSize = 0; return TSPERR(TSS_E_OUTOFMEMORY); } Trspi_UnloadBlob(&offset, *versionInfoSize, dec, *versionInfo); Trspi_UnloadBlob_UINT32(&offset, sigSize, dec); if ((*sig = malloc(*sigSize)) == NULL) { free(*versionInfo); *versionInfo = NULL; *versionInfoSize = 0; free(*pcrDataOut); *pcrDataOut = NULL; *pcrDataSizeOut = 0; free(dec); LogError("malloc of %u bytes failed", *sigSize); *sigSize = 0; return TSPERR(TSS_E_OUTOFMEMORY); } Trspi_UnloadBlob(&offset, *sigSize, dec, *sig); free(dec); return result; } #endif