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(Unicode C) Create CAdES-BES .p7m using Smart Card or USB TokenDemonstrates how to create a CAdES BES invoice.xml.p7m using a certificate stored on a smart card or USB token. Note: This example requires Chilkat v9.5.0.77 and at the time of this writing is restricted to the Windows operating system.
#include <C_CkCrypt2W.h> #include <C_CkCertW.h> #include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkCrypt2W crypt; HCkCertW cert; BOOL success; HCkJsonObjectW jsonSignedAttrs; const wchar_t *inFile; const wchar_t *sigFile; // Note: Requires Chilkat v9.5.0.77 or greater. // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. crypt = CkCrypt2W_Create(); // Use a certificate on a smartcard or USB token. cert = CkCertW_Create(); // Load the certificate on the smartcard currently in the reader (or on the USB token). // Pass an empty string to allow Chilkat to automatically choose the CSP (Cryptographi Service Provider). // See Load Certificate on Smartcard for information about explicitly selecting a particular CSP. success = CkCertW_LoadFromSmartcard(cert,L""); if (success != TRUE) { wprintf(L"%s\n",CkCertW_lastErrorText(cert)); CkCrypt2W_Dispose(crypt); CkCertW_Dispose(cert); return; } // Provide the smartcard PIN. // If the PIN is not explicitly provided here, the Windows OS should // display a dialog for the PIN. CkCertW_putSmartCardPin(cert,L"000000"); // Provide the certificate for signing. success = CkCrypt2W_SetSigningCert(crypt,cert); if (success != TRUE) { wprintf(L"%s\n",CkCrypt2W_lastErrorText(crypt)); CkCrypt2W_Dispose(crypt); CkCertW_Dispose(cert); return; } // Indicate that SHA-256 should be used. CkCrypt2W_putHashAlgorithm(crypt,L"sha256"); // Specify the signed attributes to be included. // (This is what makes it CAdES-BES compliant.) jsonSignedAttrs = CkJsonObjectW_Create(); CkJsonObjectW_UpdateInt(jsonSignedAttrs,L"contentType",1); CkJsonObjectW_UpdateInt(jsonSignedAttrs,L"signingTime",1); CkJsonObjectW_UpdateInt(jsonSignedAttrs,L"messageDigest",1); CkJsonObjectW_UpdateInt(jsonSignedAttrs,L"signingCertificateV2",1); CkCrypt2W_putSigningAttributes(crypt,CkJsonObjectW_emit(jsonSignedAttrs)); inFile = L"qa_data/xml/IT01234567890_11002.xml"; sigFile = L"qa_output/IT01234567890_11002.xml.p7m"; // Create the CAdES-BES signature, which contains the original data. success = CkCrypt2W_CreateP7M(crypt,inFile,sigFile); if (success == FALSE) { wprintf(L"%s\n",CkCrypt2W_lastErrorText(crypt)); CkCrypt2W_Dispose(crypt); CkCertW_Dispose(cert); CkJsonObjectW_Dispose(jsonSignedAttrs); return; } wprintf(L"Success.\n"); CkCrypt2W_Dispose(crypt); CkCertW_Dispose(cert); CkJsonObjectW_Dispose(jsonSignedAttrs); } |
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