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(Classic ASP) Send aes-gcm authEnvelopedData Encrypted EmailSee more SMTP ExamplesNote: This example requires Chilkat v10.0.0 or later Demonstrates how to send encrypted email using 128-bit AES in GCM mode.
"AES-GCM" (Advanced Encryption Standard - Galois/Counter Mode) is a cryptographic algorithm that provides both encryption and integrity protection (authentication). When used in the context of email security with "authEnvelopedData", it often refers to a method of securely sending encrypted and authenticated email content. Here’s a brief breakdown:
In short, AES-GCM with "authEnvelopedData" provides a way to encrypt and authenticate emails, making them confidential and resistant to tampering.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' The mailman object is used for sending and receiving email. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.MailMan") set mailman = Server.CreateObject("Chilkat.MailMan") mailman.SmtpHost = "smtp.example.com" mailman.SmtpUsername = "my_smtp_login" mailman.SmtpPassword = "my_smtp_password" ' The typical SMTP ports are 465 for implicit SSL/TLS or 587 for explicit SSL/TLS mailman.SmtpPort = 465 mailman.SmtpSsl = 1 ' Use the recipient's certificate for encryption. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert") set cert = Server.CreateObject("Chilkat.Cert") success = cert.LoadFromFile("c:/someDir/recipient_cert.cer") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>" Response.End End If ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Email") set email = Server.CreateObject("Chilkat.Email") email.Subject = "This email is encrypted" email.Body = "This is AES-GCM encrypted mail" email.From = "Mary <mary@example1.com>" success = email.AddTo("Joe","joe@example.com") ' Specify that AES-GCM w/ authEnvelopedData is to be used. ' Also specify other params.. email.Pkcs7CryptAlg = "aes-gcm" email.Pkcs7KeyLength = 128 email.OaepPadding = 1 email.OaepHash = "sha256" email.OaepMgfHash = "sha256" ' Indicate the email is to be sent encrypted. email.SendEncrypted = 1 ' Specify the certificate to be used for encryption. success = email.SetEncryptCert(cert) success = mailman.SendEmail(email) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( mailman.LastErrorText) & "</pre>" Else Response.Write "<pre>" & Server.HTMLEncode( "Mail Sent!") & "</pre>" End If %> </body> </html> |
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