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(Unicode C) Extract a File from a .p7m (PKCS7 Signed-Data)Unicode C example to extract the original file from a .p7m (Signed-Data PKCS7 Format) The .p7m contains the signed contents of the original file. It can be verified and restored by calling VerifyP7M.
#include <C_CkCrypt2W.h> void ChilkatSample(void) { HCkCrypt2W crypt; const wchar_t *outputFile; const wchar_t *inFile; BOOL success; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. crypt = CkCrypt2W_Create(); outputFile = L"/Users/chilkat/testData/pdf/sample.pdf"; inFile = L"/Users/chilkat/testData/p7m/sample.pdf.p7m"; // Verify and restore the original file: success = CkCrypt2W_VerifyP7M(crypt,inFile,outputFile); if (success == FALSE) { wprintf(L"%s\n",CkCrypt2W_lastErrorText(crypt)); CkCrypt2W_Dispose(crypt); return; } wprintf(L"Success!\n"); CkCrypt2W_Dispose(crypt); } |
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