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Tspi_Context_GetKeyByPublicInfo(3)    TCG Software Stack Developer's Reference


Tspi_Context_GetKeyByPublicInfo - search the persistent storage for a registered key using the provided public key information


#include <tss/platform.h> #include <tss/tcpa_defines.h> #include <tss/tcpa_typedef.h> #include <tss/tcpa_struct.h> #include <tss/tss_typedef.h> #include <tss/tss_structs.h> #include <tss/tspi.h> TSS_RESULT Tspi_Context_GetKeyByPublicInfo(TSS_HCONTEXT hContext, TSS_FLAG persistentStorageType, TSS_ALGORITHM_ID algID, UINT32 ulPublicInfoLength, BYTE* rgbPublicInfo, TSS_HKEY* phKey);


TSS_Context_GetKeyByPublicInfo searches the persistent storage for a registered key using the provided public key information and creates a key object initalized according to the found data. On successful completion of the method a handle to the created new key object is returned.


hContext The handle of the context object. persistentStorageType Flag indicating the persistent storage the key is registered in. algId This parameter indicates the algorithm of the requested key. ulPublicInfoLength The length of the public key info provided at the parameter rgbPublicInfo. rgbPublicInfo The public key info is provided to identify the key to be look for at the persistent storage. In case algID equals to TSS_ALG_RSA this prameter contains the modulus of the public RSA key. hKey Recieves the handle of the key object representing the key. In case the key hasn't been found, this value will be NULL.


Tspi_Context_GetKeyByPublicInfo returns TSS_SUCCESS on success, otherwise one of the following values are returned: TSS_E_INVALID_HANDLE - hContext is an invalid handle. TSS_E_INTERNAL_ERROR - An error occurred internal to the TSS.


Tspi_Context_GetKeyByPublicInfo conforms to the Trusted Computing Group Software Specification version 1.1 Golden


Tspi_Context_LoadKeyByUUID(3). TSS 1.1 2004-05-26 Tspi_Context_GetKeyByPublicInfo(3)

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