@param[in] P7Data Pointer to the PKCS#7 signed data to process.\r
@param[in] P7Length Length of the PKCS#7 signed data in bytes.\r
@param[out] Content Pointer to the extracted content from the PKCS#7 signedData.\r
@param[in] P7Data Pointer to the PKCS#7 signed data to process.\r
@param[in] P7Length Length of the PKCS#7 signed data in bytes.\r
@param[out] Content Pointer to the extracted content from the PKCS#7 signedData.\r