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(Unicode C) Load .eml and Decrypt (smime.p7m)Loads an encrypted email from a .eml file and decrypts using certificate w/ private key found in a .p12 (or .pfx) file. The Content-Type and Content-Disposition email headers of the email to be decrypted look similar to this: Content-Type: application/x-pkcs7-mime; smime-type=enveloped-data; name="smime.p7m" Content-Disposition: attachment; filename="smime.p7m"
#include <C_CkEmailW.h> void ChilkatSample(void) { HCkEmailW email; BOOL success; email = CkEmailW_Create(); // Add a PFX (or .p12) to be used for decryption success = CkEmailW_AddPfxSourceFile(email,L"myCert.p12",L"passwordForP12"); if (success != TRUE) { wprintf(L"%s\n",CkEmailW_lastErrorText(email)); CkEmailW_Dispose(email); return; } // Loading the .eml automatically decrypts. success = CkEmailW_LoadEml(email,L"encrypted.eml"); if (success != TRUE) { wprintf(L"%s\n",CkEmailW_lastErrorText(email)); CkEmailW_Dispose(email); return; } // The email now exists as it was prior to encryption. // Your app may access the email's subject, body, attachments, // etc. using the Chilkat Email API... // Save the decrypted email: success = CkEmailW_SaveEml(email,L"decrypted.eml"); if (success != TRUE) { wprintf(L"%s\n",CkEmailW_lastErrorText(email)); CkEmailW_Dispose(email); return; } wprintf(L"Success.\n"); CkEmailW_Dispose(email); } |
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