@param[out] CertStack Pointer to Signer's certificates retrieved from P7Data.\r
It's caller's responsibility to free the buffer with\r
Pkcs7FreeSigners().\r
+ This data structure is EFI_CERT_STACK type.\r
@param[out] StackLength Length of signer's certificates in bytes.\r
@param[out] TrustedCert Pointer to a trusted certificate from Signer's certificates.\r
It's caller's responsibility to free the buffer with\r
@param[out] SignerChainCerts Pointer to the certificates list chained to signer's\r
certificate. It's caller's responsibility to free the buffer\r
with Pkcs7FreeSigners().\r
+ This data structure is EFI_CERT_STACK type.\r
@param[out] ChainLength Length of the chained certificates list buffer in bytes.\r
@param[out] UnchainCerts Pointer to the unchained certificates lists. It's caller's\r
responsibility to free the buffer with Pkcs7FreeSigners().\r
+ This data structure is EFI_CERT_STACK type.\r
@param[out] UnchainLength Length of the unchained certificates list buffer in bytes.\r
\r
@retval TRUE The operation is finished successfully.\r