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(PHP ActiveX) Encrypt using Cert to produce -----BEGIN PKCS7----- ... -----END PKCS7-----Demonstrates how to encrypt using a certificate to produce output such as: -----BEGIN PKCS7----- MIIHPwYJKoZIhvcNAQcEoIIHMDCCBywC ... ... ... -----END PKCS7-----The certificate to be used is not your own, but the certificate of the intended recipient of the message.
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Crypt2') $crypt = new COM("Chilkat.Crypt2"); // Specify the encryption to be used. // "pki" indicates "Public Key Infrastructure" and will create a PKCS7 encrypted (enveloped) message. $crypt->CryptAlgorithm = 'pki'; $crypt->Pkcs7CryptAlg = 'aes'; $crypt->KeyLength = 128; $crypt->OaepHash = 'sha256'; $crypt->OaepPadding = 1; // A certificate is needed as the encryption key.. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Cert') $cert = new COM("Chilkat.Cert"); $success = $cert->LoadFromFile('qa_data/certs/testCert.pem'); if ($success != 1) { print $cert->LastErrorText . "\n"; exit; } // Tell the crypt object to use the certificate. $crypt->SetEncryptCert($cert); $toBeEncrypted = 'This string is to be encrypted.'; // Get the result in multi-line BASE64 MIME format. $crypt->EncodingMode = 'base64_mime'; $encryptedStr = $crypt->encryptStringENC($toBeEncrypted); if ($success != 1) { print $crypt->LastErrorText . "\n"; exit; } // Make a "-----BEGIN PKCS7-----" ... "-----END PKCS7-----" sandwich... // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.StringBuilder') $sb = new COM("Chilkat.StringBuilder"); $sb->AppendLine('-----BEGIN PKCS7-----',1); $sb->Append($encryptedStr); $sb->AppendLine('-----END PKCS7-----',1); $outStr = $sb->getAsString(); print $outStr . "\n"; // Sample output: // -----BEGIN PKCS7----- // MIICYQYJKoZIhvcNAQcDoIICUjCCAk4CAQAxggH5MIIB9QIBADCBsTCBmzELMAkGA1UEBhMCR0Ix // GzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMR // Q09NT0RPIENBIExpbWl0ZWQxQTA/BgNVBAMTOENPTU9ETyBTSEEtMjU2IENsaWVudCBBdXRoZW50 // aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWlsIENBAhEAuBl4qE2MODB05C5h53M5UDA4BgkqhkiG9w0B // AQcwK6APMA0GCWCGSAFlAwQCAQUAoRgwFgYJKoZIhvcNAQEIMAkGBSsOAwIaBQAEggEAyZejlE37 // awl0bCWVbOCqf9yLSN17mZRamG8FHDh3nNu11G0+oyJtsPDEnSKsQig0V67MZ+hcWV+uf4ytcjyx // H0gs5uex+LwkB+c3ZTOt18IYWFtRilg1HFy1ZN3t0D2QbxYy+i1TXOOwp3gAHL45vRCJ0FbKyQ36 // pKl0XLe+lRvp2EiJCKVjxtX8VcZOKT4xkG7yOARaCQceth6pA58Dg0yzAz7w4nD2UgAlNzrXG69X // e+7e7yfBv47RRqFiQqDpCn+fM/PmFbUyqBppMwc64yP+fJek8VyJw2/UaXWWM4iSKSflk90tiHwf // loEU3It4arnSv94fZQo0v129aBqpWzBMBgkqhkiG9w0BBwEwHQYJYIZIAWUDBAECBBCohUgm5qX+ // TE6PxtPCmWi8gCBgbNg39emAB+AqLozm+vSLjZOGfg3M52gccKUJ8tg8XQ== // -----END PKCS7----- ?> |
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