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(Unicode C) openssl smime -encrypt -des3 -in
See more OpenSSL ExamplesOpenSSL SMIME encrypt file using PEM containing a certificate.
#include <C_CkPemW.h> #include <C_CkCertW.h> #include <C_CkCrypt2W.h> #include <C_CkBinDataW.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { HCkPemW pem; BOOL success; HCkCertW cert; HCkCrypt2W crypt; HCkBinDataW bd; HCkStringBuilderW sbEncryptedMime; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Load the cert from a PEM file. pem = CkPemW_Create(); // Our particular PEM was not encrypted, so we pass an empty password. // Also, a private key is not needed for encryption. The PEM used to test this example // happens to have a private key, but it's not actually used. success = CkPemW_LoadPemFile(pem,L"qa_data/openssl/rsaCertAndKey.pem",L""); if (success == FALSE) { wprintf(L"%s\n",CkPemW_lastErrorText(pem)); CkPemW_Dispose(pem); return; } if (CkPemW_getNumCerts(pem) == 0) { wprintf(L"PEM does not contain any certificates.\n"); CkPemW_Dispose(pem); return; } cert = CkPemW_GetCert(pem,0); if (CkPemW_getLastMethodSuccess(pem) == FALSE) { wprintf(L"%s\n",CkPemW_lastErrorText(pem)); CkPemW_Dispose(pem); return; } // ------------------------------------------------------------------------------------- // Duplicate this OpenSSL command: openssl smime -encrypt -des3 -in <file> <pem file> // ------------------------------------------------------------------------------------- crypt = CkCrypt2W_Create(); success = CkCrypt2W_SetEncryptCert(crypt,cert); if (success == FALSE) { wprintf(L"%s\n",CkCrypt2W_lastErrorText(crypt)); CkCertW_Dispose(cert); CkPemW_Dispose(pem); CkCrypt2W_Dispose(crypt); return; } CkCertW_Dispose(cert); CkCrypt2W_putCryptAlgorithm(crypt,L"PKI"); CkCrypt2W_putPkcs7CryptAlg(crypt,L"3des"); CkCrypt2W_putKeyLength(crypt,168); // Load the file to be encrypted. bd = CkBinDataW_Create(); success = CkBinDataW_LoadFile(bd,L"qa_data/openssl/hello.txt"); if (success == FALSE) { wprintf(L"Failed to load the input file.\n"); CkPemW_Dispose(pem); CkCrypt2W_Dispose(crypt); CkBinDataW_Dispose(bd); return; } // Encrypt. success = CkCrypt2W_EncryptBd(crypt,bd); if (success == FALSE) { wprintf(L"%s\n",CkCrypt2W_lastErrorText(crypt)); CkPemW_Dispose(pem); CkCrypt2W_Dispose(crypt); CkBinDataW_Dispose(bd); return; } // The openssl smime -encrypt command produces encrypte MIME such as this: // MIME-Version: 1.0 // Content-Disposition: attachment; filename="smime.p7m" // Content-Type: application/x-pkcs7-mime; smime-type=enveloped-data; name="smime.p7m" // Content-Transfer-Encoding: base64 // // MIICzwYJKoZIhvcNAQcDoIICwDCCArwCAQAxggF8MIIBeAIBADBgMEoxCzAJBgNVBAYTAlVTMRYw // FAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQDExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBY // MwISA9Nqgb1dH/XTDNeKzN1nR85iMA0GCSqGSIb3DQEBAQUABIIBAIQqPexjxWovgxwKV/r3HL/U // EP9Yozvz5hBeX5VvRZjKSi4FRw5wapElPK+4FB82hiAR9Mi3c16PvPSVkJv3l78Mv5uaaOs/OmUz // mIHFB6Z+l2E52BDmUVWJZTQ09vdWy6+NIRlg2R9Z1NkmZ4BZCJk6mHB/Yx03IaOxK8LnwieDMthM // SvxbhJnIOISN7k7ofs+/0vTXUpdQ+tlmwyVySMGQ6VMk+z4sqZJ2stacqCPtt/aiSwJ9p0OKmihf // 3KDJceXJtavIQeA97yz1LqPvle35mmd5sBhV9qQYdTV/KJ+YM5uEZ9BHYbvMJbADFHwKzhcEY3qA // 7T9acmEsb7NycOIwggE1BgkqhkiG9w0BBwEwFAYIKoZIhvcNAwcECERX/ZoHweSkgIIBEMmCMx49 // zjVAnGqRaBbvzQT1hg0uQSxIJjxMxC+HSuM+eY9oSOsbrw4uIijHKH9NdOpeDsdRzg2z5EBM7AlP // Ht9DyPW5C2deV6RPX4F8gyExz+JUXrd+3Yb3AKTdpDkTWDmNCeO0r/YSqp518+mfU5hG8e336u51 // HAM44FeknA8oThWsD/wUB1e8vzsatK4UXW/KSu/166V7z+VT86kd+IHa7t60U9Yp0ZXgcM5Pb5Ni // 69Qc5MKPzom2801H5UR/WjCgsxOIjOj49sKisjRy79skrJzxY5ZG05T0dKn6KC3TjRpIEEeOyhCd // Nm2Y7dcW8GLMepdhWay5vePmQxmvmhbAtBprIem14NcrYeG6D5wP // We have the body in bd // Construct the header and base64 body... sbEncryptedMime = CkStringBuilderW_Create(); CkStringBuilderW_AppendLine(sbEncryptedMime,L"MIME-Version: 1.0",TRUE); CkStringBuilderW_AppendLine(sbEncryptedMime,L"Content-Disposition: attachment; filename=\"smime.p7m\"",TRUE); CkStringBuilderW_AppendLine(sbEncryptedMime,L"Content-Type: application/x-pkcs7-mime; smime-type=enveloped-data; name=\"smime.p7m\"",TRUE); CkStringBuilderW_AppendLine(sbEncryptedMime,L"Content-Transfer-Encoding: base64",TRUE); CkStringBuilderW_AppendLine(sbEncryptedMime,L"",TRUE); CkStringBuilderW_AppendLine(sbEncryptedMime,CkBinDataW_getEncoded(bd,L"base64_mime"),TRUE); // Show the result. wprintf(L"%s\n",CkStringBuilderW_getAsString(sbEncryptedMime)); // or save to a file.. success = CkStringBuilderW_WriteFile(sbEncryptedMime,L"qa_output/encryptedMime.txt",L"utf-8",FALSE); CkPemW_Dispose(pem); CkCrypt2W_Dispose(crypt); CkBinDataW_Dispose(bd); CkStringBuilderW_Dispose(sbEncryptedMime); } |
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